Barry Leung, CoMN, KoMG, CoSP, ARM

• A Geometry Puzzle With 3 Circles

  Two circles of radius 5 are externally tangent to each other and are internally tangent to a circle of radius 13 at points A and B, as...

  math

  Jun 22, 2026
• This Equation Looked in the Mirror - and Drew Itself!

  There are math formulas that calculate. There are formulas that predict planets, encrypt secrets, optimise economies, and describe the...

  math

  Jun 22, 2026
• Fighting Risks Injury And Is Unnecessary If There's Enough Food For All

  Not only is this right about cat colonies, it's also an aphorism about human society.

  work

  Jun 21, 2026
• Why Use Radians in Calculus?

  The Secret Language of the Circle

  math

  Jun 21, 2026
• French Is The Only Thing I Remember From My (Maths) Degree

  If I didn't snuggle in bed for just the right amount of time, and I didn't talk to my brother on the phone for just that many minutes, I...

  self

  Jun 19, 2026
• Can You Find The Heaviest Ornament?

  It's my goal to provide just the right level of understanding for the average reader of this blog, so the solution I provide will target...

  comics

  Jun 18, 2026
• 7 Mathematics Exam Questions From 1926, City of Birmingham University Education

  Yesterday I ventured to the birthplace of the infamous street gang Peaky Blinders - the City of Birmingham.

  math

  Jun 18, 2026
• A Spacecraft Problem: Can You Solve It?

  It's my goal to provide just the right level of understanding for the average reader of this blog, so the solution I provide will target...

  space

  science

  Jun 17, 2026
• The World Does Not Play by Your Rules

  Five paradoxes that expose the gap between how we think probability works and how it actually behaves

  math

  Jun 16, 2026
• Who Gets Their Tea Cooler Then?

  Not only is today my 23rd man-made birthday, it's also the day I earn the title of CoSP, aka Curator of Science Puzzles.

  humor

  science

  Jun 15, 2026
• Can You Separate 66 Coins?

  Happy Birthday To Myself and Those Who Happen To Share The Same Birthday

  humor

  Jun 15, 2026
• Here Are Some YouTube Thumbnails

  Well yes of course I need to make money to feed myself, otherwise how else can I complete higher order goals like learning for the sake of...

  humor

  Jun 14, 2026
• How Many Coins Does The 12th Pirate Get?

  So a group of 12 pirates agree to divide a treasure chest of gold coins aong themselves as follows.

  math

  Jun 14, 2026
• How'd You Find The Shaded Region?

  The figure above shows 13 circles of radius 1 within a larger circle. All the intersections occur at points of tangency.

  work

  Jun 13, 2026
• You Can't Win This Game

  What Conway's Soldiers teaches startup founders about hidden limits

  startups

  Jun 12, 2026
• A Mathematical Calendar Puzzle

  Today's puzzle comes from a mathematical calendar my good friend and Liminal Chief Builder Sonny Vu.

  math

  Jun 12, 2026
• How Long Is The ZigZag Line?

  I solved this in 5 seconds really

  math

  Jun 11, 2026
• How To Find The Area Of The Annulus?

  An annulus is the region between two concentric circles. The concentric circles in the figure have radii b and c, with b > c. Let OX be a...

  math

  Jun 10, 2026
• A Brief History Of Calculus

  Calculus is usually associated with Isaac Newton and Gottfried Wilhelm Leibniz, who are commonly called its founders. This is true in the...

  math

  Jun 10, 2026
• What P = NP Would Actually Mean

  Imagine a lock with a billion billion possible keys.

  math

  Jun 09, 2026
• Which One Is The Correct Choice?

  I have been posting once a day on YouTube and it's good to see that our channel is growing steadily.

  math

  Jun 07, 2026
• Calculate The Whole Perimeter!

  This is a trapezoid, or a trapezium if you'd like.

  math

  Jun 06, 2026
• What Is The Radius Of The Circle?

  Eight semicircles line the inside of a square with side length 2 as shown.

  math

  Jun 06, 2026
• How Big Is The Red Area?

  As shown in the figure above, six semicircles lie in the interior of a regular hexagon with side length 2 so that tthe diameters of the...

  math

  Jun 05, 2026
• Can You Find The 28th Coefficient?

  Sometimes a polynomial problem looks like it's asking you to multiply out a huge expression.

  math

  Jun 04, 2026
• Bagot's Castle in Baginton & Bridge View Light Railway

  It was a nice day to have explored this hidden gem in Baginton, Coventry.

  travel

  Jun 02, 2026
• How Would You Find The Radius?

  A Fun Geometry Challenge

  math

  Jun 01, 2026
• Are You More Clever Than A 8 Year-Old?

  math

  May 31, 2026
• We Need To Start Planting Female Trees

  It's pollen season and oh boy for the past few days my nostrils have been flaring up so severely. My sleep hasn't been the best and I have...

  science

  climate-change

  May 30, 2026
• The Monster Group: The Largest Symmetry Nobody Expected

  Mathematics has many ways of making ordinary language fail.

  math

  May 30, 2026
• It's Time To Take YouTube Seriously

  The Wacom One budget tablet arrived today through eBay. I was out and about with my friend, but thankfully, my housemate helped collect the...

  math

  May 29, 2026
• The Fibonacci Sequence Is Hiding Inside 1/89

  Some mathematical facts feel inevitable.

  math

  May 29, 2026
• Do NOT Solve This With Calculus!

  At first glance, this maths puzzle appears to require multivariable calculus.

  math

  May 28, 2026
• Life Is The Best Video Game There Is

  I like using Apple Maps because it feels like I am the main character in one of those MMORPG saga video games exploring the world around...

  travel

  May 27, 2026
• What If the Universe Has No Edge and No Centre?

  The strange topology at the frontier of cosmology, and what a video game from 1980 has to do with the shape of everything

  space

  science

  May 26, 2026
• Slave To The Algorithm

  I think we are all slaves to something. Certainly, I don't mean we are owned by someone else as property to extract labour out of.

  math

  May 25, 2026
• Cavalieri's Principle: Calculus of the Ancient Times

  Before the Giants of Newton and Leibniz

  math

  May 25, 2026
• Apparently Researchers Are Astonished That AI Cracked An 80-year-old Mathematics Challenge

  The late Hungarian mathematician Paul Erdős thought he had the last word on a geometry problem. Now an OpenAI chatbot has proved him wrong.

  artificial-intelligence

  May 24, 2026
• How Much Of The Large Triangle Is Shaded?

  The diagram shows an equilateral triangle divided into nine smaller equilateral triangles, with two additional lines.

  math

  May 23, 2026
• What's The Height In The Middle?

  This is one of those geometry challenges you must try

  math

  May 23, 2026
• I Literally Solved This In 3 Seconds

  What's the dog's height?

  math

  May 22, 2026
• How Would You Calculate This Infinite Product?

  Here's an exciting maths puzzle about a product of infinitely many terms.

  math

  May 21, 2026
• Can You Find The Shaded Area?

  Geometry Challenge: 4 circles and one triangle

  math

  May 20, 2026
• To Make A Living Is To Find Food

  We all have to make a living to survive.

  self

  May 18, 2026
• I Have Run Out Of A CANVA Whiteboard

  A Mathematical Milestone

  math

  May 17, 2026
• Can You Solve This Japanese Geometry Problem?

  Sangaku Challenge

  math

  May 17, 2026
• So That's Why 6 Was Afraid Of 7

  It's not because 7 ate 9 🙅🙀🚫, or is it?

  math

  May 16, 2026
• So How Big Is The Biggest Prime Number?

  A two-thousand-year quest to find the largest prime, and the man who found it

  math

  May 15, 2026
• Why Doesn't The Integral Equal Zero?

  An interesting paradox in mathematics and calculus

  math

  May 14, 2026
• Are You Smarter Than A 3rd Grader? 3rd Grade Homework Troll Triangles

  Hmm notice how the answer choices are 5, 8 and 9

  math

  May 14, 2026
• Can You Solve This Volume Of Revolution Question?

  Don't forget to repost this problem!

  math

  May 13, 2026
• How To Solve The Pythagoras Pie Puzzle?

  This is A mathematically delicious mystery

  math

  May 13, 2026
• Mathematicians Finally Crack The Famous 'Moving Sofa Problem'

  What's the largest couch that can turn a corner? 🛋️

  math

  May 11, 2026
• Can You Crack This Difficult Geometry Doughnut?

  The two circles have the same centre. What's the shaded area?

  math

  May 10, 2026
• Can You Solve This Tricky Oxford Admission Question?

  A Challenge On Functions

  math

  May 08, 2026
• What's The 2008th Term?

  I think kids don't like mathematics because it's a very unnatural pursuit. Any healthy kid wants to go outside and play in the sun, they...

  math

  May 07, 2026
• No Child Actually Likes Studying Mathematics

  No one does, really

  math

  education

  May 05, 2026
• Are You Smarter Than Oxford Students?

  The beauty of mathematics sometimes lies in its simplicity, in that a seemingly complex problem can be broken down if we stick to the...

  math

  May 05, 2026
• Can You Do This Cryptogram Puzzle?

  This cryptogram puzzle has more than one possible solution.

  cryptocurrency

  cybersecurity

  May 03, 2026
• I Don't Think A 9 Year-Old Can Figure This Out. But Can You?

  Life should be about exploring all that's around us with unmitigated curiosity. Sadly modern life has stripped us of our adventurous...

  math

  May 02, 2026
• Maths Graduates Aren't Special

  And maths degrees aren't that useful

  math

  education

  May 02, 2026
• An Oxford University Math Challenge For You!

  This exciting math challenge comes from the University of Oxford. If you can solve this with ease, perhaps you are good enough to study...

  math

  May 01, 2026
• The Rings Are Linked: Can You Find The Distance From Top To Bottom?

  Ok apparently some 23 year-old solved one of the Erdős Problems with ChatGPT, I am going to take a look at that tomorrow and write up a...

  math

  Apr 30, 2026
• What Is The Ratio Of The Area Of The Shaded Square To The Area Of The Large Square?

  Do you prefer the puzzle provides the multiple choices or not? Let me know in the comments.

  math

  Apr 29, 2026
• A Math Challenge: Can You Find All The Paths?

  A bug travels from A to B along the segments in the hexagonal lattice pictured below. The segments marked with an arrow can be traveled...

  math

  Apr 29, 2026
• A Bike Accident Ruined My Laptop :(

  Today started off ok, until I unfortunately rode a faulty LIME bike with a flat tyre.

  math

  Apr 27, 2026
• RFK Jr and The US Department of Health and Human Services Should Hire Me To Be Their Math...

  Try multiple 1 by 1.1 and then by 0.9, what do you get?

  politics

  Apr 26, 2026
• What is the product of all positive odd integers less than 10000?

  This product might look huge, but there's a pattern hiding in it - it's just all the odd numbers multiplied together.

  math

  Apr 26, 2026
• Can You Find X In 6 Seconds?

  Here we have different powers of 10 raised to some other powers.

  math

  Apr 25, 2026
• An Unexpected Quant Interview Question: Can You Figure It Out?

  We have a 4 by 6 grid, and we fill it with the numbers 1 through 24 at random without repetition. So what is the expected value of the...

  math

  Apr 24, 2026
• Coventry Can Be Beautiful

  I have lived in Coventry in the United Kingdom for almost 4 years now. And in the blink of an eye, I have graduated and been working my...

  travel

  Apr 23, 2026
• The AI Tutoring Crisis Was Entirely Predictable

  artificial-intelligence

  Apr 22, 2026
• Can You Solve The Hat Party Puzzle?

  According to Ted Kaczynski's Industrial Society and Its Future, a surrogate activity is one that is directed toward an artificial goal that...

  math

  Apr 21, 2026
• Who Has A Winning Strategy? A Quant Interview Puzzle

  I don't know much about trading, but I did find this puzzle from a Quant trading interview prep website.

  math

  Apr 21, 2026
• Can All the Pieces Be Equal?

  Emily cuts 2026 circles into a sheet of paper. She colours one circle black, then separates the fragments. Can every black piece ever be...

  math

  Apr 20, 2026
• A Mathematical Paradox: Gabriel's Horn

  Revisiting the shape you can fill with paint, but never paint

  math

  Apr 18, 2026
• What's Going To Happen Next?

  I started reading the book Inheritocracy: It's Time to Talk About the Bank of Mum and Dad by Eliza Filby today. Before that I came across...

  social-media

  Apr 16, 2026
• You Can Probably Solve This In 10 Seconds. Cuz I Certainly Did.

  Six Seven is always funny, I guess. If you think about percent, it just means per 100. Mathematically that's just division by 100, or...

  math

  Apr 16, 2026
• Can You Find P + Q?

  I remember learning about the binary operation in my first year algebra course at university. It is a rule or function that combines two...

  math

  Apr 15, 2026
• Can You Find All Different Looking Octahedrons? (In 60 Seconds)

  Honestly just ignore the (In 60 Seconds). It's merely there to attract readers.

  math

  Apr 15, 2026
• Can You Solve This 2023 MIT Integration Bee 🐝?

  Integral Calculus with Nested Fractions

  math

  Apr 14, 2026
• People Do Enjoy Reading AI-Generated Content on Science and Mathematics

  To the untrained eye, it might be difficult to ascertain if an article on Medium and any website is AI-generated or not. But as someone who...

  artificial-intelligence

  Apr 13, 2026
• Are You Smarter Than A 5 Year Old?

  A Basketball Match

  math

  Apr 13, 2026
• The Number Of Diagonals That Can Be Drawn In A Polygon Of 100 Sides Is?

  A diagonal is a line segment connecting two non-adjacent vertices of a polygon. It cannot be a side of the polygon itself.

  math

  Apr 12, 2026
• What Is Permutation and Combination?

  A No Nonsense Guide Most Math Teachers Don't Know And Won't Teach

  math

  Apr 10, 2026
• I Like Going To The Cemeteries

  I relish strolling through cemeteries from time to time, for it liberates the soul to know that no matter what becomes of us, we will...

  spirituality

  philosophy

  Apr 09, 2026
• These Are Two Circles: What's The Red Area?

  They are not concentric. And the lengths 18, 10 and 10 cut through the centre of the red circle if extended infinitely.

  math

  Apr 09, 2026
• How Would You Find The Average?

  So we have numbers 1, 3, 5, 7 and 8. In each digit slot, each of these numbers is equally like to be chosen.

  math

  Apr 08, 2026
• When Is The Plane Inside The Cube?

  Our Substack newsletter is rising!

  math

  Apr 07, 2026
• Math Games | Beyond Medium.com

  I am starting this Substack newsletter for Math Games because I want to tackle problems with you that LLMs cannot fully solve yet. If you...

  math

  Apr 06, 2026
• What's The Probability The Entire Grid Is Blue? What Happens When You Rotate It?

  I could have used the title 'Are You Smarter Than An X Year-Old?' Perhaps it would grab more attention, anyway it doesn't really matter.

  math

  Apr 06, 2026
• Subscribe To Math Games on Substack

  An interactive version of this can be found here

  math

  Apr 05, 2026
• Are You Smarter Than A 6 Year-Old?

  A Probability Puzzle

  math

  Apr 05, 2026
• It's Time To Take Life Seriously

  I graduated 6 months ago, and have been working remotely for a venture studio based in Singapore. I went on my first ever business trip for...

  self

  Apr 04, 2026
• Can You Fry An Egg To Solve This Math Puzzle?

  These are two concentric circles, just like a perfect sunny side up egg.

  math

  Apr 03, 2026
• So Trump's Casino Empire Made Millions, Then Lost Billions

  In 1990, Donald Trump stood at the opening of the Trump Taj Mahal in Atlantic City, calling it "the eighth wonder of the world." By 2009...

  economy

  politics

  Apr 02, 2026
• A Geometry Puzzle About A String

  I came across this interesting puzzle on Presh Talwalker's channel on YouTube today. It's got two solutions to it. The complicated one uses...

  math

  Apr 01, 2026
• Who's Lying? A Night with Vampires & Werewolves

  Imagine a world split cleanly in two. Every creature you meet is either a Vampire or a Werewolf, and each species has a peculiar...

  math

  Mar 31, 2026
• #1 Building In Public: Math Games

  So I have been thinking of how to expand the current Math Games brand beyond just Medium. So far I have been successful at launching my...

  programming

  Mar 30, 2026
• Mathematics in Secret. Then She Changed the History of Numbers.

  Sophie Germain studied at night, published under a man's name, and corresponded with the greatest mathematicians alive. The work she left...

  math

  Mar 30, 2026
• Are You Smart Enough To Find The Length?

  I was doing this geometry problem with my friend as a contest to see who would get to the answer faster. After trying for 30 minutes, we...

  math

  Mar 29, 2026
• Let's Make Mathematics a Little More Beautiful

  An interactive version of this can be found here

  math

  Mar 29, 2026
• Can You Solve This Sweet Counting Puzzle From Oxford University?

  School holidays can be boring. Miriam and Adam know this well. So they've struck a deal: they'll pass the time eating sweets - but their...

  math

  Mar 28, 2026
• The Solution To Young Sherlock's Math Equation Is Lying In Plain Sight! But Can YOU See Spot It?

  The mystery TV series Young Sherlock recently premiered on Amazon Prime Video. It is inspired by Andrew Lane's Young Sherlock Holmes book...

  math

  Mar 28, 2026
• Can You Help The Fox?

  A Math Puzzle

  math

  Mar 27, 2026
• How Far Apart Are These 2 Circles?

  A common geometry puzzle is about finding the area of the intersections of two circles.

  math

  Mar 27, 2026
• A Proof By Contradiction That We Must Be Self-Interested

  I have thought about this a couple years ago. Back then, I was contemplating the ideas of selfishness and selflessness in humans.

  philosophy

  self

  Mar 26, 2026
• Try This Running Math Puzzle!

  It actually doesn't matter how long the track is. Although if it helps you solve the puzzle, you can assign any length to the track.

  math

  Mar 26, 2026
• Can You Find The Probability?

  I am not sure if there's any real world application to this. That said, I do know that these puzzles are a great way to kill time and...

  math

  Mar 25, 2026
• Can You Find The Area Of The Red Intersection?

  Hello my dear friends of Math Games, if you have been enjoying our daily puzzles, consider making a contribution here. It would help fuel...

  math

  Mar 24, 2026
• A Very Old Math Question From Cambridge University

  A Calculus Challenge From 1991

  math

  Mar 23, 2026
• Can You Find The Area Of The Orange Square?

  By find I mean to compute the area of the square given a 3–4–5 triangle inscribed inside.

  math

  Mar 22, 2026
• These Are 4 Right Triangles. What's The Area Of One Triangle Only?

  I could think of at least two ways of solving this geometry question.

  math

  Mar 21, 2026
• A Fly & Spider Math Puzzle

  In the following figure, A is Alf, the fly, and B is Buridan the spider, at diagonally opposite corners of the floor of the room. Alf is...

  math

  Mar 20, 2026
• The Other Side Of Life On New House Organic Farm in Kniveton

  Working, learning and living with Bob and friends (13th March - 18th March)

  travel

  pets

  Mar 18, 2026
• Are You Smart Enough To Find What Fraction Of The Decagon Is Shaded?

  A Geometry Challenge with 2 Solutions!

  math

  Mar 18, 2026
• So How Far Has The Ant Walked?

  This is a question on the application of complex numbers.

  math

  Mar 14, 2026
• That's Why McDonald's CEO Only Took A small Bite Of The BIG Arch

  So recently there's a popular video circulating on the internet about the McDonald's CEO Chris Kempczinski trying the BIG ARCH™ burger on...

  food

  Mar 13, 2026
• Apparently There's A Math Problem In America

  If I were to tell you that your go-to meal at the local steakhouse has a price reduction of 600%, what would you do?

  math

  Mar 12, 2026
• Can You Solve This Calculus Challenge: A Slanted Revolution?

  Here's a hint: Rotational Matrix

  math

  Mar 11, 2026
• English Was My Favorite Class

  I have been trying to slow down when it comes to writing. Since ChatGPT came out, I too have unfortunately been at the mercy of the...

  writing

  Mar 10, 2026
• There's A Mistake in Math Genius Mary Adler's Calculus Problem

  Can you tell me what it is?

  math

  Mar 09, 2026
• University Has Become A Wealth Extraction Machine And Taught Me Absolutely Nothing Useful

  And the truth about mathematics education

  math

  Mar 05, 2026
• Sheep

  Dorothy Wellesley

  poetry

  Mar 05, 2026
• Here's How Archimedes Measured a Curve Without Calculus

  Archimedes tackled the long-standing problem of finding the area of a parabolic segment (the region between a parabola and a chord). In...

  math

  Mar 04, 2026
• Can You Solve This Calculus Puzzle By Oxford University?

  This is a fairly standard exercise in integral calculus. I guess the standards for getting into Oxford to read mathematics is dropping.

  math

  Mar 02, 2026
• Are You Smart Enough To Study At Oxford University?

  A simple cubic equation sort of looks like a snake meandering through the origin. Adding other terms changes the way it meanders, which...

  math

  Mar 01, 2026
• About Me - Barry Leung

  A Descendant of the Dragon, Barry Leung first drew breath beneath Lion Rock Harbour. In his youth, he journeyed to the old stone of Albion...

  history

  Feb 25, 2026
• Making Sense of Gravitational Time Dilation & Special Relativistic Time Dilation

  An Excerpt from A Brief History of Time

  math

  science

  Feb 24, 2026
• Our Mission

  Mathematics has always been the scaffolding because my true passion lies in becoming a well-read Renaissance man.

  math

  Feb 22, 2026
• Can ChatGPT, Google's Gemini and Microsoft's Copilot Pass The Apple-Orange Interview At Apple?

  Yes they can, but at what cost?

  artificial-intelligence

  Feb 21, 2026
• How Big Is The Red Area?

  I was walking by the cathedral in town today and found out it was Ash Wednesday today thanks to the congregation of people sat at the front...

  math

  Feb 18, 2026
• Are You Smart Enough To Find A + H?

  Come not between the dragon and his wrath. Apparently this is a quote from Shakespeare, and I happened to have seen this on a dragon...

  math

  Feb 17, 2026
• Almost - The King of Math Games (Math Games Official Anthem)

  I wouldn't say I completely enjoyed my time at university, if anything, the final year of my degree has been a harrowing experience, to say...

  poetry

  Feb 16, 2026
• An Algebra Puzzle

  There are many ways one can solve this. It all boils down to what sort of techniques you are most comfortable with.

  math

  Feb 16, 2026
• Can You Count Them All?

  So we have a star, a mountain and another shape today. Our job is to carefully count all the triangles in each of them.

  math

  Feb 15, 2026
• Happy Valentine's Day: Can You Maximize The Love On This Day?

  Happy Valentine's Day everyone, I hope you are having a euphoric moment, but if not, you can try this algebra puzzle about maximizing the...

  math

  Feb 14, 2026
• A Geometry Puzzle: What's OC?

  Honestly please share your approach to this one in the comments below because there are at least 7 different ways you can get to the...

  math

  Feb 13, 2026
• What Day Of The Week Is It?

  As a kid, I used to hear stories of child prodigies being able to figure out what day of the week it is say 1000 days from today. In fact...

  math

  Feb 12, 2026
• A Cambridge University Admission Question

  This is question 4 from the Test of Mathematics for University Admission practice paper by the University of Cambridge.

  math

  Feb 11, 2026
• A Full Day

  I had the pleasure of paying a visit to Ryton Pools Country Park located in the south of the outskirts of Coventry.

  humor

  Feb 10, 2026
• Will Homer Simpson Get His Own Seat?

  A line of 100 airline passengers is waiting to board a plane. They each hold a ticket to one of the 100 seats on that flight. For...

  math

  Feb 10, 2026
• Racing To The Bottom

  Imagine there were only two companies A and B in the economy. It's of no pertinence to our discussion whether they are maximizing profit...

  artificial-intelligence

  Feb 09, 2026
• Can You Outsmart Jane Street's Tic Tac Toe Bot?

  I found this nice brain teaser from Jane Street's Puzzles, it's about you playing against an imperfect computer program in a game of tic...

  math

  Feb 08, 2026
• Can You Find All Possible Solutions In Both Cases?

  Apparently a version of this puzzle appeared in 'Nouvelles Annales de Mathématiques'. So we want to arrange the nine digits so that the...

  math

  Feb 06, 2026
• We Have Launched The Official Math Games Website

  Thank you to Medium and each and every one of you

  math

  Feb 05, 2026
• Can You Find The Number Below 400? This question took me less than a minute!

  This math puzzle is about a pyramid made up of consecutive integers starting from 1. So on the first row, we have 1. On the second row, we...

  math

  Feb 05, 2026
• Can You Solve This Oxford University Math Challenge?

  This algebra challenge comes from the 1997 Oxford University's Entrance Exam. And to be honest, any student with a good understanding of...

  math

  Feb 04, 2026
• Can You Solve This Oxford MAT Question from 1997?

  This is honestly one of the best puzzles for students and anyone looking to test their understanding of calculus.

  math

  Feb 03, 2026
• So What's The Most Number of Hats You Can Make?

  You are making clown hats from a circular piece of cardboard. The circumference of the base of each hat equals its slant height, which in...

  math

  Feb 02, 2026
• Which One Is The Smallest?

  In school, we learn that a surd is an expression containing an irrational root, such as √11, √2, √5. They are used to irrational numbers...

  math

  Feb 01, 2026
• Can You Find The Total Length Of The Border Of The Cyan Design?

  The shaded figure is formed by eight circular arcs of equal radius. Four arcs are centered at the vertices of a square, and the other four...

  math

  Jan 31, 2026
• These 100 Prisoners Are Wearing Hats Of 10 Different Colors: Can You Help Them Escape?

  One hundred prisoners are marched into a long line and each is fitted with a hat, chosen at random from 10 distinct and easily recognizable...

  math

  Jan 30, 2026
• Can You Solve This Viral Cryptogram Puzzle?

  What's A + B + C?

  cybersecurity

  Jan 29, 2026
• On Unemployment, Credentialism and the Abstraction Economy

  And their consequences on society and our lives

  education

  work

  Jan 28, 2026
• How Many Joins Are On The Football?

  A Math Puzzle! Let's do it together! Oh and I have launched the 1st ever Mathematical Escape Room :)

  math

  Jan 27, 2026
• Oxford University Asks You A Tough Question: Where Is The Prize?

  A prize is placed under 1 of these 5 objects. Bella is told the shape of the object and Barry is told the color of the object.

  math

  Jan 26, 2026
• Are You Good Enough To Do This In 6 or 7 Seconds?

  A rectangle with sides 3cm and 14 cm have some colored triangles

  math

  Jan 26, 2026
• On The Balance of Probabilities

  We know that they are lying, they know that they are lying, they even know that we know they are lying, we also know that they know we know...

  politics

  justice

  Jan 25, 2026
• Your Wife Will Find Out That YOU Are A Cheater!

  A Math Puzzle

  math

  Jan 25, 2026
• The Darkest Hours Always Forge The Brightest Flames

  Please read this to the end if you are one of my readers, I really mean it, thank you

  education

  equality

  Jan 24, 2026
• How Would You Rewrite The Expression?

  A Math Challenge! Let's try it together!

  math

  Jan 23, 2026
• Did It ACTUALLY Snow? A Math Puzzle

  A father claims about snowfall last night. First daughter tells that the probability of snowfall on a particular night is 1/8. Second...

  math

  Jan 22, 2026
• The SIMPLEST Explanation To The Monty Hall Problem

  Explained by your friendly casual mathematician

  math

  Jan 21, 2026
• Who Is More Likely To Win?

  A & B are alternately picking balls from a bag without replacement. The bag has k black balls and 1 red ball. Winner is the one who picks...

  math

  Jan 20, 2026
• Can You Help Free The Prisoners? 🎩🎩🎩🎩

  All four prisoners will be freed if at least one of them correctly guesses the color of the hat on his head. The question is, how?

  math

  Jan 19, 2026
• What's The Perimeter In The Middle?

  Have you heard of the Dorian Gray effect? Apparently our names, our personalities and even many subconscious internal factors affect how...

  math

  Jan 17, 2026
• Are You Smart Enough To Find The Shaded Area?

  Catriona Agg's Math Puzzle Challenge 13

  math

  Jan 16, 2026
• Can YOU Find The Angle? This One Actually Challenged Me!

  Catriona Agg's Math Puzzle Challenge 12

  math

  Jan 15, 2026
• How Many Of These 6 Simpson Math Jokes And Puns Do YOU Understand?

  math

  Jan 14, 2026
• Can You Solve The Mystery? What Did I Paint On The Die?

  I bought two fair six-sided dice. Keeping the first one untouched, I modified the second die, by erasing each face and writing a number of...

  math

  Jan 13, 2026
• What Fraction Of The Large Circle Is Shaded?

  Catriona Agg's Math Puzzle Challenge 11

  math

  Jan 12, 2026
• PLEASE Be Careful With These 7 Trick Questions!

  Some are tricky, but some are painfully obvious :)

  math

  Jan 10, 2026
• Can You Tell Me If The Wind Changes The Time?

  math

  Jan 09, 2026
• What's The Ratio Of Yellow To Green In This Design?

  Catriona Agg's Math Challenge 10

  math

  Jan 08, 2026
• I Always Come Back To This Video When Life Gets Chaotic

  Pursuit of Wonder: A Reason To Stop Worrying

  self

  Jan 07, 2026
• Are You Clever Enough To Find The Total Shaded Area of 4 Squares?

  Catriona Agg's Math Puzzle Challenge 9

  math

  Jan 07, 2026
• Can You Separate These Cats Using Only 3 Circles?

  A Light Hearted Logic Puzzle Before Bed 🛏️ | Henry Dudeney's Book

  humor

  Jan 06, 2026
• The Square Has Area 16: What's The Area Of The Blue Region?

  This is a square with an area of 16. The interesting property is that two vertices are connected to the midpoints of the square. And the...

  math

  Jan 05, 2026
• How Many Times Do The Hands Of A Clock Change Places?

  A Math Challenge from Henry Dudeney's Book

  math

  Jan 05, 2026
• Are You Smarter Than A 6/7 Year Old?

  A Geometry Puzzle

  math

  Jan 04, 2026
• I Drew This Math Puzzle On The Snow! Can You Find The Sum Of # A

  I was pleasantly surprised when I woke up today. As I walked to the backyard, a sensation of chilliness drifted upon me, followed by the...

  math

  Jan 03, 2026
• Mathematical Properties of 2026

  Happy New Year!

  math

  Jan 02, 2026
• You Can Only Use The Scale Once!

  I think the solution is quite creative

  math

  Jan 01, 2026
• How Many Animals Of Each Kind Did Moses Take Into The Ark?

  2 or ...?

  spirituality

  philosophy

  Jan 01, 2026
• Are You Smart Enough To Solve This Oxford University Math Puzzle?

  2023 Oxford Mathematics Admission Test

  math

  Dec 31, 2025
• The Game of Life

  A Diary

  gaming

  Dec 27, 2025
• Endless Triangles?

  A Geometric Series Challenge

  math

  Dec 26, 2025
• Endless Hexagons?

  A Geometric Series Challenge

  math

  Dec 25, 2025
• Can You Solve This Japanese Geometry Problem?

  Sangaku Challenge

  math

  Dec 24, 2025
• An Alternate Way of Integration

  A Geometric Approach

  math

  Dec 23, 2025
• A Graphical Approach & Exploration

  Can You Solve This Algebra Challenge?

  math

  Dec 22, 2025
• What's the ratio of the shaded square?

  Can you find all two methods?

  math

  Dec 21, 2025
• How Quickly Can You Find The Answer Of This Geometry Puzzle?

  Can You Solve it in 10 Seconds?

  math

  Dec 20, 2025
• Are You Smart Enough To Solve This Mysterious Train Puzzle?

  The 3rd Mathematical Puzzle from A Tangled Tale

  math

  Dec 20, 2025
• How Many Guests Are There At The Dinner Party & Can You Pick The Right Door? 🛎️🚪

  The 2nd Mathematical Puzzle from A Tangled Tale

  fiction

  Dec 18, 2025
• A Lewis Carroll–Style Riddle: If You Chase the Peak Time, You Lose!

  The 1st Mathematical Puzzle from A Tangled Tale

  fiction

  Dec 17, 2025
• Can ChatGPT Pass a Maths Degree at a Top UK University?

  Spoiler: YES! It can, and it's a piece of cake.

  math

  Dec 14, 2025
• Compare Them: A Calculus Approach

  A Remastered Version

  math

  Dec 14, 2025
• Compare Them in 6/7 Seconds!

  Algebra Challenge

  math

  Dec 13, 2025
• I Got A Crystal In Town Today

  I think I am more spiritual than anything. The world is fascinating. Humanity is at the forefront of seeking to understand, and...

  spirituality

  Dec 11, 2025
• How Fast Can You Solve These 3 Brain Teasers?

  Some exciting logical challenges

  math

  Dec 11, 2025
• Can You Solve This Series With A Ceiling Function That Goes Up By 0.7 Each Term?

  This Math Question Can Be Forced With Brute Force Or Elegance. What Would You Do?

  math

  Dec 10, 2025
• You Are Given A String Of ABCDs, How Many Distinct Arrangements Can You Make?

  A Combinatorics Challenge

  math

  Dec 09, 2025
• Can You Find Out How Big Your Heart Is?

  A Hearty Geometry Puzzle

  math

  Dec 08, 2025
• How Many Moggers Are There Among 1000 People?

  At the Math Games gym, people line up for height checks. Everyone has a different height.

  math

  Dec 07, 2025
• Can You Help Alice Solve The Light Bulb Puzzle With 4 Switches?

  Alice had just solved the riddle of the three curious switches and the glowing lamp. But Wonderland, being Wonderland, refused to stay put.

  humor

  Dec 06, 2025
• Which Switch Would You 🫵 Flick? 💡🎛️🎛️🎛️

  Ok there are 3 switches, but what if there are 4 switches instead?

  humor

  Dec 05, 2025
• A Geometry Problem from 2003

  Can You Solve It?

  math

  Dec 04, 2025
• I Am Designing Some T-Shirts For Our Blog

  Hello my dear readers of Math Games, I have recently tried my hand at designing some apparel for our blog.

  design

  math

  Dec 03, 2025
• Can You Solve This Math Puzzle With 100 Candies?

  How do you place 50 good candies and 50 rotten candies in two boxes such that if you choose a box at random and take out a candy at random...

  math

  Dec 03, 2025
• Get This Right If You Want To Study At Cambridge University!

  A Calculus Challenge For High Schoolers

  math

  Dec 02, 2025
• Can The Duck Escape From The Fox?

  A Classic Challenge of Geometry and Logic 🦆🦊

  math

  Dec 01, 2025
• Can You Find The Area Of The Blue Region?

  Recently I have been reading an introductory book on law. I am hoping to deepen my understanding of topics such as contract law and...

  math

  Nov 30, 2025
• You Will Read This (Math) Joke In Donald Trump's Voice

  Because I sure did!

  humor

  math

  Nov 29, 2025
• Can You Help The Blind Archer Do The Math? A Fun Exercise In Probability

  Read this article now!

  math

  education

  Nov 29, 2025
• I Solved This Primary School Math Challenge In Six Seven Seconds! Can You Beat Me?

  A Simple Math Puzzle

  math

  Nov 28, 2025
• An Interesting Geometry Puzzle In Disguised

  How would you unscramble this probability challenge?

  math

  Nov 27, 2025
• The Wound They Misread

  A Ballad of Wounds and Wings: a testimony to what their silence tried to hide

  poetry

  Nov 27, 2025
• How Often Do The Two Witches Meet At The Coffee Shop?

  Can you solve this interesting probability puzzle?

  math

  Nov 26, 2025
• Almost — The King of Math Games (Math Games Official Anthem)

  I made a fight song for my blog

  poetry

  Nov 24, 2025
• There's A Surprising Answer! A Truly Difficult Calculus Question

  King Rule might help! 👑

  math

  Nov 23, 2025
• This Is A Japanese Sangaku Geometry Puzzle: What's The Radius Of The Red Circle? 🔴

  A Geometry Puzzle From Japan

  math

  Nov 23, 2025
• Can You Solve This AMAZING Rainbow Geometry Problem from 2017? 🌈 🌈 🌈

  Mother Nature's Beautiful Spectrum

  math

  Nov 21, 2025
• Mathematics: Methods in Vectors

  A Summary For Students, Teachers, Educators and My Friends

  math

  Nov 20, 2025
• Can You Solve This In 6 or 7 Seconds?

  As a member of Gen Z, I too have indulged in a certain amount of short form-induced brain rot. The name should be pretty self-explanatory.

  math

  Nov 19, 2025
• Can You Do This Slanted Revolution Calculus Puzzle?

  Back when I was in school, there would be a couple challenge problems at the end of each chapter in the textbook.

  math

  Nov 18, 2025
• A Real Algebra Puzzle On Functions!

  Perhaps you can generalize the formula for n ...

  math

  Nov 17, 2025
• Candle Lights Before Bed

  spirituality

  Nov 16, 2025
• The **MOST** Beautiful Equation

  In mathematics

  math

  Nov 14, 2025
• A Lewis Carroll Logic Puzzle

  From his 1895 Pillow Problems

  math

  Nov 13, 2025
• Can You Solve This Fried Egg Math Puzzle?

  After taking a nap, I found this very interesting problem on Twitter. Thank you to @Mirangu1 for this.

  math

  Nov 12, 2025
• Universities Feed Students Garbage, and Student Mental Health Is Paying the Price

  If you ever walk into any university "community" or "wellbeing" event, you will see the same table every single time. Bowls of Walkers...

  food

  education

  Nov 11, 2025
• Oxford University Asked Me This Math Question: Can You Maximize The Shaded Region?

  Ok I will admit that some of my titles like 'I solved this in X seconds' is purely fictitious and it's aimed at attracting curious readers...

  math

  Nov 11, 2025
• I Solved This Ancient Green Triangle Puzzle From 1667? Can You Do The Same?

  So I found this neat puzzle from 1667 in an old geometry book in the attic earlier today.

  math

  Nov 09, 2025
• An Old Note I Wrote On Philosophy

  I was browsing my old pictures on Facebook and came across some notes I made couple years ago. It was a period of time when I immersed in...

  philosophy

  Nov 08, 2025
• Can You Find The Probability The Angle Is Acute? (In 10 Seconds)

  It's time to test your geometry and probability :)

  math

  Nov 07, 2025
• Can You Solve This Difficult MIT Integral Question?

  You have to break it down to intervals!

  math

  Nov 06, 2025
• Can You Figure Out The Maximum Triangle?

  I was browsing through the internet and came across this very interesting problem. There are a couple of ways to solve it. You may try...

  math

  Nov 05, 2025
• Can You Solve An Ancient Math Puzzle from 1914?

  According to Martin Gardner's Mathematical Puzzles and Diversions, this problem appears in Sam Loyd's Cyclopedia of Puzzles, 1914, page 80.

  math

  Nov 05, 2025
• Love These Paintings and Math Puzzles?

  Here's what you can do to keep fueling the math puzzles and my amateur attempts at oil pastel paintings!

  art

  math

  Nov 04, 2025
• A Difficult Oxford University Math Puzzle: Can You Get It Right?

  I am pretty sure they did a version of this math puzzle with squares instead of cubes in the past.

  math

  Nov 04, 2025
• Martin Gardner's Geometry Puzzle

  He gave us one minute, but I solved it in 5 seconds!

  math

  Nov 03, 2025
• Not Only Is Kellogg's Cereal Unhealthy, But Their Math Is Also WRONG!

  No they did NOT do the math :(

  math

  Nov 02, 2025
• I Failed My Machine Learning Exam

  Around a year ago, I wrote an article on why I don't like mathematics enough after I received my second year results for my math degree at...

  math

  education

  Nov 01, 2025
• I Found An Incredible Approximation to e by Richard Shabey!

  I was watching this amazing video on an Incredible Formula by Numberphile.

  math

  Nov 01, 2025
• Can You Solve These 3 Simple Puzzles Almost Everybody Gets Wrong?

  A lot of folks jump straight to 6 ducks, picturing two ducks standing side by side like buddies in a pond.

  humor

  Oct 31, 2025
• I Solved This Oxford Math Question In 9 Seconds. Can You Do Better?

  When I saw this puzzle, my mind was like. Surely Oxford university can ask harder questions for their incoming undergraduates!

  math

  Oct 30, 2025
• How To Figure Out How Many Train Cars Make Up The Windowless Circular Train?

  You wake up on a train that never seems to end. Every carriage looks exactly the same. The walls, the doors, the faint metallic hum are all...

  math

  Oct 28, 2025
• Can You Help 5 Friends Share A Secret?

  Five close friends discover an old safe in the attic of their university's abandoned observatory. Inside lies a secret document they all...

  math

  Oct 27, 2025
• Can You Help The Selfish And Clever Maximize His Salary?

  After the Great Revolution, peace finally returned to the City of Sixty-Six. Every citizen, from the humble baker to the wise...

  politics

  Oct 27, 2025
• Can You Solve The Drunk Ant: A Challenging Quant Interview Question?

  Let's imagine a tiny ant standing on one corner of a shiny, metallic cube. The cube is perfectly smooth, each edge identical, each corner a...

  math

  Oct 26, 2025
• A Scary Looking Math Expression

  When I see scary-looking fractions built x, y, and xy my brain jumps straight to algebraic identities.

  math

  Oct 25, 2025
• This Blog

  & you and me and us

  education

  self

  Oct 25, 2025
• Can You Solve Alice's Crazy Clock?

  A Fun Brain Teaser

  math

  Oct 22, 2025
• There's A LOT of Medical Malpractice In The World

  And it feels like we as humanity don't care enough about this issue.

  science

  health

  Oct 20, 2025
• The End Of A £100k+ Education

  I almost got into Oxford for math(s). Almost.

  education

  Oct 18, 2025
• Can You Find The Sum Of All 3 Marked Angles?

  Catriona Agg's Math Puzzle Challenge 8

  math

  Oct 17, 2025
• Can You All Possible Ways To Fill In The Blanks?

  Find all the possible ways to fill in the three blanks to make all three statements true. (ALL POSSIBLE WAYS PLEASE)

  math

  Oct 14, 2025
• 4 Math Puzzles About Age

  I found these 4 age related brain teasers from Arvind Gupta's Good Old-fashioned Challenging Puzzles and Perplexing Mathematical Problems.

  math

  Oct 12, 2025
• Can You Solve This Algebra Puzzle on Medium?

  Let's solve it together

  math

  Oct 08, 2025
• Can You Find Out Which USSR Math Expression Is Greater?

  A USSR Olympiad Math Problem

  math

  Oct 07, 2025
• Do You Agree or Disagree with Alice?

  A Mathematical Riddle from Alice in Wonderland

  math

  Oct 04, 2025
• An Instagram Algebra Puzzle

  Can you find x? Inspection might work, but clever manipulation will hone your algebra skills

  math

  Oct 03, 2025
• Here's How You Triple Integral Into A Sphere

  Derivation For The Formula of a Sphere: Spherical Co-ordinates

  math

  Oct 02, 2025
• Can You Make It A Fair Game?

  A Logic Puzzle from xkcd

  math

  Sep 29, 2025
• A Difficult Chinese Olympiad Puzzle

  Can you find g(2002)?

  math

  Sep 27, 2025
• Can You Solve Blue Eyes: The Hardest Logic Puzzle in the World??

  From xkcd

  math

  Sep 25, 2025
• It Shouldn't Take 3 + 1 Years To Train A Math Teacher

  2 years is more than enough

  math

  Sep 23, 2025
• An Advanced Indian Math Exam Question

  An infinite product

  math

  Sep 22, 2025
• I Saw This WiFi Math Puzzle On StackExchange!

  This is quite a deceptive one really. And although it looks somewhat complicated seeing as a it's a fraction of two composed of 3...

  math

  Sep 21, 2025
• Are You Smart Enough To Find How Many Correct Statements There Are?

  And what are they? Exactly?

  math

  Sep 18, 2025
• How Many Squares In The Boy And How Many Triangles In The Cat?

  I think one important role of educators is often to impart timeless knowledge in an engaging manner. Most of the time, the material has...

  math

  Sep 16, 2025
• A New Beginning

  The End of An Era

  self

  Sep 14, 2025
• This Is Reading Comprehension More Than A Math Puzzle

  Which offer would you take?

  math

  Sep 11, 2025
• Can You Find The Largest Circle?

  A Chessboard Math Problem

  math

  Sep 10, 2025
• A Counting Problem

  I finally graduated and finished my math degree!

  math

  Sep 09, 2025
• A Bowl of Cherries Math Problem

  In front of Alice and the Cheshire Cat are 4 bowls of cherries, containing, respectively, 5, 6, 7 and 8 cherries. Alice and the Cheshire...

  math

  Sep 06, 2025
• Modern Society Is A Massive Chain Of Micro Corruptions

  Once upon a time, people lived in a valley where the Earth gave food freely. Men would hunt for their children, their wives, their families...

  society

  Sep 03, 2025
• Mathematical Gems of Alice In Wonderland

  As a kid I very much enjoyed Alice In Wonderland's story. I would watch the cartoons by Walt Disney productions, and to the best of my...

  math

  Sep 03, 2025
• Martin Gardner's Odds On Kings

  A Probability Puzzle

  math

  Sep 02, 2025
• Donald Trump Is Going To Reduce Drug Prices By 1400–1500%!

  That seems wrong but why?

  math

  Aug 31, 2025
• I Burned All My Lecture Notes To Celebrate The End Of Math Exams!

  Yesterday I was debating whether I should study a bit more for the final Machine Learning exam. And I just couldn't be asked at that point...

  math

  education

  Aug 29, 2025
• My Future Children Will Eat The Natural Human Diet

  They will be more healthy, more intelligent, more beautiful than me

  parenting

  Aug 26, 2025
• Can You Solve This Cambridge University Calculus Challenge?

  Cambridge STEP

  math

  Aug 25, 2025
• You think that doesn't matter?

  Vous pensez que cela n'a aucune importance ?

  philosophy

  Aug 24, 2025
• Can You Halve The Area Of A Square Window But Keep Its Length And Height?

  A Lewis Carroll Math Puzzle

  math

  Aug 23, 2025
• California's Attempt to "Close the Gap" in Math Education

  A Clip from the Joe Rogan Podcast

  education

  Aug 22, 2025
• Can You Find The πth Derivative of x^π?

  A Math Challenge in Differentiation

  math

  Aug 21, 2025
• Ancient Chinese Numerals

  Through the oracle bones

  history

  Aug 19, 2025
• We Are All Selfish Hypocrites

  You see that homeless man sat outside the M&S?

  self

  Aug 18, 2025
• 'As thousands more teenagers scramble for university places, I have to ask — why?'

  A response to Simon Jenkins' article on Guardian

  education

  Aug 16, 2025
• Notes on Axiom of Choice, Well Ordered Sets & Ordinals, Axiom of Regularity & Cumulative Hierarchy...

  Set Theory Part 3

  math

  Aug 14, 2025
• A Lewis Carroll Running Races Puzzle

  You, Alice and the Red Queen are racing

  math

  science

  Aug 13, 2025
• Down The Moon Drunk Lane

  Some nights, the tide pulls me in before I find respite in my slumber. And as soon as I am pulled, there's no going back.

  poetry

  Aug 11, 2025
• Notes on Constructing Numbers and Cardinality

  Set Theory Part 2

  math

  Aug 11, 2025
• #1 Learning French Through Video Games

  League of Legends

  Aug 10, 2025
• Can You Solve The Cat, the Rat, and the Victorian Mathematical Trap?

  Charles Lutwidge Dodgson's musings on math and language

  math

  Aug 09, 2025
• ChatGPT 5 Can Explain Infinity In 5 Levels of Difficulty; But Cannot Solve A Simple Algebra...

  Here's what I've found after trying out the latest model

  math

  Aug 08, 2025
• Notes on Constrained Optimization

  Optimization Part 2

  comics

  Aug 07, 2025
• Note on Unconstrained Optimization

  Optimization Part 1

  comics

  Aug 07, 2025
• Notes on Axiomatic Set Theory

  Set Theory Part 1

  math

  Aug 06, 2025
• Notes on Statistical Learning

  Machine Learning Part 1

  machine-learning

  data-science

  Aug 06, 2025
• A Very Ancient Way of Doing Calculus

  Cavalieri's Principle: Before the Giants of Newton and Leibniz

  math

  Aug 04, 2025
• Private School Students Perform Better in Exams Not Because of Better Teaching, but Because of...

  Nutrition matters more than class sizes and funding

  education

  Aug 03, 2025
• The 2,000-Year Quest to Square the Circle

  But it's IMPOSSIBLE!

  math

  Aug 03, 2025
• The Only Thing I Am Excited About

  La Seule chose qui m'enthousiasme

  philosophy

  Aug 01, 2025
• What If 𝝅 = 4? What Went Wrong?

  A Fake Mathematical Proof

  math

  Aug 01, 2025
• Are You Smart Enough To Study At Cambridge University?

  Cambridge STEP Exams: A Probability Puzzle

  math

  Jul 29, 2025
• Why You Matter

  By Neil Bryan

  mental-health

  self

  Jul 28, 2025
• I Solved This Viral Geometry Puzzle In 1 Minute! Can You Do Better?

  Catriona Agg's Math Puzzle Challenge 7

  math

  Jul 28, 2025
• Simpson Math Joke: Why Did The Mathematician Name His Dog Cauchy?

  Because he left a residue at every pole!

  math

  Jul 27, 2025
• Are You Smart Enough To Solve This Pancake Probability Puzzle?

  3 pancakes

  math

  Jul 23, 2025
• I Hate When Lecturers Make Their Notes More Complicated Than Necessary

  Three Versions of the KKT Conditions

  machine-learning

  Jul 21, 2025
• Hilbert's Hotel

  Derek Goldrei's Classic Set Theory

  math

  Jul 20, 2025
• Donald Trump's "Reciprocal" Tariff Might Look Complicated, But It's 8th Grade Math Gibberish!

  A case of weaponizing mathematics to confuse and sound sophisticated

  economy

  politics

  Jul 18, 2025
• Tell Me Why Meta Reasoning Works This Time

  Catriona Agg's Math Puzzle Challenge 6

  math

  Jul 16, 2025
• Most Of You Will Get This Logic Challenge Wrong!

  A subtle clue hidden in plain sight ...

  math

  Jul 14, 2025
• I Solved This Geometry Puzzle In LITERALLY 1 Second!

  Catriona Agg's Math Puzzle Challenge 5

  math

  Jul 13, 2025
• Cats I Found In Coventry

  Felines in the Garden of Cofa's Tree

  pets

  Jul 13, 2025
• Catriona Agg's Puzzle 4: How Large Is The Angle?

  Catriona Agg's Math Puzzle Challenge

  math

  Jul 11, 2025
• Catriona Agg's Puzzle 3: How Much Do The Semicircles Cover?

  Catriona Agg's Math Puzzle Challenge

  math

  Jul 09, 2025
• You Are A Cutie Pie: You Are Acute, Tea, Pi? You Are Narrow, Scalding, Irrational?

  7 + 1 Math Jokes and Memes Explained

  math

  Jul 08, 2025
• Catriona Agg's Puzzle 2: What's The Area of The Circle?

  Catriona Agg's Math Puzzle Challenge

  math

  Jul 08, 2025
• Catriona Agg's Puzzle 1: What Fraction is Red?

  Catriona Agg's Math Puzzle Challenge

  math

  Jul 07, 2025
• Math Games: The Catriona Agg Geometry Compendium

  A Collection of 314 Colorful Geometry Puzzles

  math

  Jul 06, 2025
• Can't Catch Me Now

  The Ballard of Songbirds and Snakes: Beatus Lignum's Omen

  poetry

  Jul 06, 2025
• I Bet Keir Starmer CANNOT Do This Math Puzzle for £200k!

  The quickest solution for the weirdos and misfits' math puzzle

  math

  Jul 05, 2025
• You Can Make 200K A Year Working For The British Government If You Can Solve This Math Puzzle!

  Sounds too good to be true ...

  math

  Jul 03, 2025
• Can You Understand These 4 High Level Simpson Math Jokes?

  How on earth is 8i equal to INFINITY?

  math

  Jul 02, 2025
• Can You Do This Not So Hard Probability Puzzle?

  At least one die is 4

  math

  Jul 01, 2025
• I Am Opening A STEM-Themed Restaurant? Can You Suggest Anything On The Menu?

  Here are some creative items from the Internet 🦞

  science

  Jun 30, 2025
• The Dead Humanity Theory

  I don't care about making money or impacting the world, I just want to be happy and healthy and share intimate moments with my loved one(s)

  artificial-intelligence

  future

  Jun 26, 2025
• Here's How To Take A Blink-free Group Photo

  Whenever a group photo is taken, it always seems that there's at least one person that blinks. So the question that naturally arises would...

  math

  Jun 25, 2025
• Can You Work Out These 4 Math Questions While Running A 42.2 km Marathon?

  4 Last Unknown Kilometers Left, Can You Work Them All Out?

  math

  Jun 23, 2025
• It's Time To Sue Your Dentists And Orthodontists

  Say goodbye to orthodontics, braces, Invisaligns, extractions, retainers and more ...

  health

  Jun 21, 2025
• Unlike Donald Trump, Prime Minister of Singapore Lee Hsien Loong Can Solve Cambridge University...

  The third prime minister of Singapore was a 'Senior Wrangler' and 'the brightest mathematician he had ever admitted' according to his tutor...

  math

  Jun 20, 2025
• I Asked ChatGPT To Solve This Stupidly Easy Geometry Challenge

  And it took ChatGPT 2 minutes and 56 seconds to do so!

  math

  Jun 19, 2025
• Can You Find The Shaded Area?

  We are given the areas of the 3 equilateral triangles

  math

  Jun 18, 2025
• A Truly Complex Equation

  Can you solve this?

  math

  Jun 16, 2025
• In Nature I Wouldn't Know How Old I Am Chronologically

  A Birthday Post Through Life is Strange: Double Exposure and Random Thoughts

  math

  science

  Jun 15, 2025
• Donald Trump and His Children Cannot Multiply 17 by 6?

  Howard Stern gave the Trumps a pop quiz in simple arithmetic

  humor

  Jun 14, 2025
• 1 + 1 is Never Equal to 2 in Reality

  1 + 1 = 2 only exists in imagination: I want to shock your gullible and indoctrinated minds by telling you that 1 + 1 = 2 is in fact not...

  math

  Jun 13, 2025
• Can You Solve This Difficult Harvard Math Puzzle For Any Year?

  By that I mean we can change 2025 into 1999 or 3321 ...

  math

  Jun 13, 2025
• How Many Pairs Of Vertices Can You Draw?

  A Challenging Math Puzzle

  math

  Jun 12, 2025
• Yeah Boys Are Better at Math than Girls, So What?

  I am probably better at daydreaming than you, and you are probably better at juggling than me. So what?

  education

  equality

  Jun 09, 2025
• Do You Know What We Are Solving?

  Of course we are solving for x, but what's x here exactly?

  math

  Jun 07, 2025
• My Dad Is an Engineer but He Doesn't Know How to Integrate By Parts

  Perhaps it would be more fair to say he forgot how to integrate by parts and that's okay

  math

  Jun 05, 2025
• Is University Math Getting Easier? Trump Seems to Think So

  Questions from Harvard's Introductory Calculus Course

  math

  Jun 02, 2025
• A Foury Series & A Fourier Series

  HMMT November 2022

  math

  May 30, 2025
• The 1st Ever Annual Harvard-MIT November Tournament

  A Math Puzzle

  math

  May 29, 2025
• A Typical Farm Day in Banbury, Oxfordshire

  Working as a Wwoofie at Forge Farm with Greg

  travel

  May 25, 2025
• A 2025 MIT Integration Bee Problem

  A clever substitution and a standard result might help!

  math

  May 16, 2025
• A Spontaneous Math Puzzle On The Farm

  Can you use the basic operations to use the 6 numbers on the left to get the value on the right?

  math

  May 13, 2025
• I Solved This British Math Puzzle While Working At A Farm In Oxfordshire

  After helping out at the farm planting corns and squash, it's time to write a math blog post while sitting barefoot on the pasture...

  math

  May 11, 2025
• Two Infinitely Many Towers Of Exponents?

  Why does it seem like we are getting the same answer to both?

  math

  May 09, 2025
• You have 2025 bags.

  Ok this is a trick question, it's not as simple as 0 marbles in the first box, 1 marble in the second box, 2 marbles in the third box ...

  math

  May 08, 2025
• How To Find Partial Derivatives?

  Multivariable Calculus

  math

  May 07, 2025
• Can You Solve This Soviet Math Equation?

  This was sent to me by a friend from Russia

  math

  May 06, 2025
• Can You Solve This In 10 Seconds?

  So he sold them both at the same price, yet he made a loss on one and a profit on the other. That means the original price must be...

  math

  May 05, 2025
• Math Puzzle: A Golden Ratio Of Brick Walls

  Let's say we're building a 2‑unit‑tall wall using standard bricks that are twice as long as they are tall. Depending on the wall's length...

  math

  May 04, 2025
• Set Theory Notes — Chapter 1

  So it contains every point. For example the set [1/n ,1] is closed because as n goes to infinity, 1/n goes to 0, which is contained in the...

  math

  May 04, 2025
• In A Square Garden ABCD Of Side 10m, A Sheep Sets Off From B And Moves Along BC at 30cm per minute.

  At the same time, you set off from C and move along edge CD at 40cm per minute.

  math

  May 02, 2025
• A Mathematical Puzzle With NO Calculator

  How would you go about this with only logic?

  math

  Apr 30, 2025
• That Which Creates Life Is That Which Truly Gratifies

  And in a similar vein, that which approximately creates life is that which approximately gratifies. Perhaps this is not the most accurate...

  philosophy

  Apr 27, 2025
• Can You Solve It With NO Calculator Or Vertical Multiplication?

  A Challenging Math Puzzle

  math

  Apr 25, 2025
• Which One Is The Right Diagram?

  A Math Problem In Graphs

  math

  Apr 25, 2025
• I Saw This Math Puzzle At A Chinese Restaurant In Prague

  Actually this exact integral problem has been shared countless times on the internet; except the restaurant used a curly bracket instead of...

  math

  Apr 23, 2025
• Which Two Could Be The Sketch?

  An Oxford MAT Problem

  math

  Apr 20, 2025
• A Not So Hard Calculus Puzzle

  This is quite an easy calculus puzzle. Perhaps it's not so much a puzzle but more of an exercise. Hopefully it helps you refresh your basic...

  math

  Apr 19, 2025
• A 2017 Cambridge University Algebra Challenge

  Cambridge STEP Exams

  math

  Apr 18, 2025
• What's The Area Of The Red Triangle?

  A Geometry Challenge

  math

  Apr 17, 2025
• An Oxford Cake Cutting Math Problem

  The Oxford MAT Exam

  math

  Apr 15, 2025
• Can You Figure Out This Two Identical Black Boxes Puzzle From Oxford University?

  An Oxford MAT Exam

  math

  Apr 14, 2025
• Which One Is The Correct Graph?

  An Oxford MAT Puzzle

  math

  Apr 13, 2025
• The House Always Wins, But We Still Go

  self

  Apr 11, 2025
• You Have To Draw To Solve This Oxford University Math Challenge

  An n-fan consists of a row of n points, the tips, in a straight line, together with another point, the hub, that is not on the line. The n...

  math

  Apr 10, 2025
• Understanding is not condoning

  Photo by Gary Meulemans on Unsplash

  self

  Apr 08, 2025
• Our Publication Has Reached 100 Followers

  I feel like of the 60k+ followers on my account, very few of you are actively reading my stuff. Or perhaps Medium isn't distributing my...

  math

  Apr 05, 2025
• Can You Solve This Harvard Calculus Problem In 5 Seconds?

  I think most of you can!

  math

  Apr 05, 2025
• A Cambridge University Probability Problem: Toy Penguins in Cereal Boxes

  A refresher in discrete random variables

  math

  Apr 02, 2025
• A Shooting Star Probability Puzzle

  Try This Math Puzzle If You Think You Are Smart!

  math

  Mar 31, 2025
• Can You Fill These All In?

  Making numbers from 1 to 20 using fours 4s

  math

  Mar 30, 2025
• A Tricky And Difficult Oxford University Floor Function Calculus Puzzle!

  Do you know what a floor function is?

  math

  Mar 29, 2025
• This Is A Proper Hard 'Improper' Integral from Cambridge University

  Can You Figure It Out Using Complex Analysis As Well?

  math

  Mar 28, 2025
• You MUST Try This Classical Mechanics Problem

  A Challenging Math Puzzle From High School

  math

  Mar 27, 2025
• How Fast Is The Other Train?

  To and fro across Beijing and Saint Petersburg: I think a middle school child can solve this as long as they know that speed = distance /...

  math

  Mar 26, 2025
• It's Either Greater Than Or Less Than

  And it's your job to figure both of these inequalities 2️⃣

  math

  Mar 25, 2025
• How Old Is She Now in 2025?

  No need for a calculator: see if you can solve this in 303 seconds :)

  math

  Mar 24, 2025
• Medium Math Publication

  The Mathematics Puzzle Publication on Medium.com

  math

  Mar 23, 2025
• A Not So Hard Triangle Puzzle: To Paint or Not To Paint?

  Even a 13 year-old can do this :)

  math

  Mar 23, 2025
• How Fast Can You Come Up With The Solution?

  This pattern goes on indefinitely, what's the 1036 entry?

  math

  Mar 22, 2025
• Can You Find The Integer X?

  An Algebra Puzzle on Medium

  math

  Mar 21, 2025
• Where Should The Prison Guard Be? 💂‍♀️💂(This Is An Old Cambridge University Question)

  An elegant amalgamation of geometry and calculus

  math

  Mar 21, 2025
• The Selfish Puzzle: How Math Problems (and Everything Else) Replicate Like Memes

  That everything else includes you and me

  creativity

  Mar 16, 2025
• Solve This Math Pattern Puzzle In 30 Seconds

  Not as hard as you think!

  comics

  Mar 14, 2025
• You Are Standing On The First Step Of An Infinitely Long Numbered Path

  How likely will you step on step 25?

  math

  Mar 12, 2025
• So Who Gets The Most Cake?

  One gets an increasing percentage of a decreasing size of cake

  math

  Mar 10, 2025
• Cambridge University Math Problem

  Fellow Medium Writer & Mathematician Keith McNulty shared this with us

  math

  Mar 04, 2025
• Can You Find The Next Fraction?

  You gotta be very observant!

  math

  Mar 03, 2025
• Even Your Children Can Solve This!

  If they know their basics well :)

  math

  Mar 01, 2025
• Do They Fall To The Ground At The Same Time?

  Or not?

  science

  Feb 28, 2025
• P(x) Is A 4th Degree Polynomial With Real Coefficients. Can You Pick The Right Answer?

  Are you smart enough to solve this Turkish Math Question?

  math

  Feb 25, 2025
• 3 MOST Difficult Puzzles Involving Particles, String Loops & Pint Glasses

  Can You Solve Them All?

  math

  Feb 25, 2025
• An Oxford Math Admission Exam

  Can you solve this 5-part logic puzzle?

  math

  Feb 24, 2025
• An Ancient British Math Problem From 1984

  How many solutions are there?

  math

  Feb 02, 2025
• Can You Divide 3 Cupcakes Among 5 People?

  Such that the smallest piece of cake is greater than 1/5?

  math

  Jan 30, 2025
• Happy Chinese New Year

  蛇年快樂 🐍

  history

  Jan 29, 2025
• What Is The Probability They Are Both Red?

  Stay for Lewis Carroll's Pillow Problem at the end 🛌

  math

  Jan 27, 2025
• Can You Solve Tricky Geometry Puzzle?

  Can you also solve the bonus at the end?

  math

  Jan 26, 2025
• How To Prove Like A Mathematician?

  We were asked to state our and see if we could prove it

  math

  Jan 23, 2025
• A Mathematical Bracelet Puzzle

  Adding numbers in modulo 10

  math

  programming

  Jan 21, 2025
• How Many Fibonacci Bracelets Are There?

  🎯 Math Games | Puzzle 26 | 18/11/2025

  math

  comics

  Jan 18, 2025
• Can You Move Two Match Sticks To Make A Bigger Number?

  What about the biggest number?

  math

  Jan 12, 2025
• Mathematical Properties of 2025

  First off, the year 2025 is a perfect square year because 45² = 2025. The last time this happened was 44² = 1936 and the next time it...

  math

  Jan 06, 2025
• A Beautiful Solution To A Difficult Geometry Puzzle

  A Christmas Eve Adventure ❄️

  math

  Dec 24, 2024
• What's The Largest Area?

  An Exercise in Calculus

  math

  Dec 23, 2024
• Why Does the Flap of a Butterfly Cause A Tornado?

  To understand that, we have to start with rabbits on an island ...

  data-science

  Dec 08, 2024
• Can It Jump To The Fourth Corner?

  🎯 Math Games | Puzzle 25 | 18/11/2024

  math

  Nov 18, 2024
• How Much Weight Did They Really Lose?

  A Cucumber Math Puzzle 🥒

  writing

  Nov 17, 2024
• I Am In The Reverse Goldilocks Zone

  The Goldilocks Zone is where Earth resides. This is where Earth is at the right distance away from its star for the surface temperature to...

  self

  Nov 17, 2024
• I Am Not 3 Times As Good As You

  A Probability Puzzle 🔫

  math

  Nov 17, 2024
• Can It Jump To The Fourth Corner?

  🎯 Math Games | Puzzle 25 | 16/11/2024

  math

  Nov 16, 2024
• Here's How You Fold An Equilateral Triangle 🔺

  Grab an A4 paper and follow along!

  writing

  Nov 15, 2024
• Should You Roll Again?

  A Probability Puzzle 🎲

  math

  Nov 14, 2024
• A Hint To A Very Difficult Geometry Teaser

  🎯 Math Games | Puzzle 24's Hint

  math

  Nov 11, 2024
• A Very Hard Four-Circle Problem

  Can You Solve It?

  math

  Nov 11, 2024
• How Many Of The Combinations Are Prime?

  A Tricky But East Number Theory Puzzle 🩸

  math

  Nov 09, 2024
• Why Does The Definite Integral Equal Area?

  The Fundamental Theorem Of Calculus

  math

  Nov 06, 2024
• There Are Infinitely Many Numbers Between 1 and 2, But None Of Them is 3

  Parallel Worlds, Multiverse, Shifting Realities

  spirituality

  philosophy

  Nov 05, 2024
• What Does x¹⁰⁰ + y¹⁰⁰ = 1 Look Like?

  Is That A Square Or Something Else? 🟦🟪🟫

  math

  Nov 05, 2024
• I Need To Fix My Occlusion And Regenerate My Teeth

  Please offer suggestions on where to go seek treatment, and anything you know relevant to this

  self

  Nov 03, 2024
• Can You Find All 4 Solutions?

  A UKMT Algebra Puzzle

  math

  Nov 03, 2024
• A Very Difficult Geometry Teaser

  🎯 Math Games | Puzzle 24 | 2/11/2024

  math

  Nov 02, 2024
• How Many Wolves Will Remain?

  If all the wolves act rationally and know the other wolves act rationally 🐺🐏

  math

  Nov 01, 2024
• What Is The Area Of The Circle?

  A Geometry Puzzle

  math

  Oct 31, 2024
• 65 Entries On Modernization, Mother Nature And Their Relations

  This is the result of the many things I chose to do, lots others that I didn't, and infinitely more that are outside of my control.

  self

  Oct 30, 2024
• How Many Zeroes Are There?

  There are many zeroes, but how would you count them all?

  math

  Oct 29, 2024
• I Have A CoMN Degree From The Best University In The World

  No BSc or PhD here, only CoMN

  self

  Oct 28, 2024
• An Algebra Challenge

  🎯 Math Games | Solution 23 | 28/10/2024

  math

  Oct 28, 2024
• What Do You Think About Manifestations?

  poetry

  comics

  Oct 27, 2024
• Can You Solve This Famous Interview Question at Facebook?

  Is it actually raining? ☔☔☔

  math

  Oct 27, 2024
• I Have Set Up A New Donation Box

  Your Support Makes A Difference ❤️

  creativity

  Oct 26, 2024
• A Complex Counting Puzzle

  🎯 Math Games | Puzzle 26 | 18/1/2025

  math

  Oct 26, 2024
• How Likely Is 4?

  A Probability Puzzle 4️⃣

  math

  Oct 24, 2024
• How Large Is The Shaded Region In A Square?

  A Geometry Puzzle 🏯

  math

  Oct 23, 2024
• A Very Challenging Integral

  Calculus with trigonometry 📐🔺

  math

  Oct 22, 2024
• How To Find The Area?

  🎯 Math Games | Solution 22 | 22/10/2024

  math

  Oct 21, 2024
• How Long Is This ZigZag Path?

  A Geometry Challenge

  math

  Oct 20, 2024
• Math Games is also on Substack 👑

  If you'd like to access my puzzles at a reduced rate, consider subscribing to this Substack at $36 (USD) annually

  math

  Oct 19, 2024
• How To Find The Area?

  🎯 Math Games | Puzzle 22 | 19/10/2024

  math

  Oct 19, 2024
• How Much Area Can The Goat Graze Outside The Barn?

  A Brain Teaser🐐

  math

  Oct 18, 2024
• What Is The Length Inside The Square?

  A square with side length 1 has an inscribed semicircle along one of its edges as shown. The red line starts at the top left corner, is...

  math

  Oct 17, 2024
• An eye for an eye, a tooth for a tooth

  Exodus 21:23–25

  humor

  Oct 16, 2024
• What's The Largest Possible Area?

  A Challenging Oxford University Question

  math

  Oct 16, 2024
• It's always better to have something rather than nothing

  even if that something is far from perfect

  self

  Oct 15, 2024
• How Large Is The Square?

  In the semi-circle 🍉🍉

  math

  Oct 15, 2024
• Can You Solve This Difficult Integral?

  🎯 Math Games | Solution 21 | 14/10/2024

  math

  Oct 14, 2024
• Are You Smart Enough For This Cambridge University Geometry Puzzle?

  Proving an Elegant Result in Circle Geometry

  writing

  Oct 13, 2024
• Can You Solve This Difficult Integral?

  🎯 Math Games | Puzzle 21 | 12/10/2024

  math

  Oct 12, 2024
• 1 Times 1 Is Always Greater Than 0 Times However Many

  1 times 1 equals 1. 0 times 1 is 0. 0 times 2024 is 0. In fact, however many zeroes you add together, you always end up with zero.

  self

  Oct 11, 2024
• Can You Do This Very Tricky Integral?

  A Calculus Puzzle 🥛🌌

  math

  Oct 11, 2024
• University Library Is Depressing

  Today I went to the university library and borrowed a few textbooks in languages. So I sat down on the third floor and did some reading...

  self

  Oct 10, 2024
• How Big Is The Orange Area?

  A Geometry Puzzle 🍊

  math

  Oct 10, 2024
• 39.27% of You Can't Solve This???

  Let's see if you are part of the 60.73% then 🍀

  math

  Oct 10, 2024
• When Do They Touch At Just One Point?

  An Oxford MAT Puzzle 1️⃣

  math

  Oct 08, 2024
• What is a + b?

  🎯 Math Games | Solution 20 | 7/10/2024

  math

  Oct 07, 2024
• Can You Find The Right Box?

  Only one statement is true

  writing

  Oct 06, 2024
• I Collect Feathers, Bones and Tree Sticks

  I think one day my future children are going to collect Nature's artefacts like feathers, bones and tree sticks instead of playing with...

  spirituality

  self

  Oct 05, 2024
• What is a + b?

  🎯 Math Games | Puzzle 20 | 5/10/2024

  math

  Oct 05, 2024
• How Would You Do This Functional Equation?

  A fairly challenging math puzzle 🧠

  math

  Oct 04, 2024
• Can You Solve This Oxford Geometry Puzzle?

  An Oxford MAT Problem ❄️

  math

  Oct 03, 2024
• Can You Roll Two 8-sided Dice?

  A Probability Puzzle 🎲🎲

  math

  Oct 02, 2024
• A 2007 Oxford University Math Puzzle

  An Algebra Challenge

  math

  Oct 01, 2024
• Blogging Is Typing Man-made Letters On A Man-made Laptop

  It does seem like I post quite a lot on here but the truth is the time it takes to write up posts isn't that long. So I have quite a bit of...

  humor

  Sep 30, 2024
• Can You Find The Equation?

  🎯 Math Games | Solution 19 | 30/9/2024

  math

  Sep 30, 2024
• Can You Find The 2024th Letter?

  A Logic Brain Teaser 🐍

  math

  Sep 30, 2024
• Can You Do It In Your Head?

  Without pen and paper!

  math

  Sep 29, 2024
• Can You Find The Equation?

  🎯 Math Games | Puzzle 19 | 28/9/2024

  math

  Sep 28, 2024
• Can You Solve This Without π?

  A Geometry Puzzle

  math

  Sep 27, 2024
• Another Oxford University Puzzle

  Oxford University's Admission Test

  math

  Sep 26, 2024
• Loving Hope & Hoping for Love

  Connecting with Mother Nature

  spirituality

  Sep 26, 2024
• An Oxford University Math Question

  A Puzzle About Logarithms 🪵

  comics

  Sep 24, 2024
• A New Chapter of Math Games

  New Rules, Better Scoring, A Bright Future

  self

  Sep 24, 2024
• Is It A Prime Number?

  🎯 Math Games | Solution 18 | 23/9/2024

  math

  Sep 23, 2024
• I Imagine Myself As The Protagonist Of A Story

  I find that singing as one walks through the woods to be a very therapeutic experience. And when I do so, I envision myself as the...

  spirituality

  Sep 23, 2024
• Can You Find The Area Of The Red Region?

  A Geometry Puzzle 💗🍀

  math

  Sep 22, 2024
• When Is The Number Divisible By 18?

  A Probability & Number Theory Puzzle

  math

  Sep 21, 2024
• Is It A Prime Number?

  🎯 Math Games | Puzzle 18 | 21/9/2024

  math

  Sep 21, 2024
• Do You Believe In Miracles?

  Photo by Sumit Saharkar on Unsplash

  spirituality

  Sep 21, 2024
• I Used To Pinch Ants With My Fingers

  Ok I will admit that I was quite a curious child, especially when it came to wild animals and insects. My aunt told me that the staff at...

  self

  Sep 20, 2024
• Can You Study Math At Oxford?

  An Oxford MAT Question

  math

  Sep 20, 2024
• How Many Ways To Reach 1000?

  A Mathematical Brain Teaser

  math

  Sep 18, 2024
• Can You Find This Infinite Sum?

  🎯 Math Games | Solution 17 | 16/9/2024

  math

  Sep 16, 2024
• How Would You Do This?

  Summing a finite series

  math

  Sep 16, 2024
• Read This and Save Yourself and Loved Ones from The Evil Sins of The Dental Industry

  Health is more important than mathematics

  health

  Sep 15, 2024
• I walk barefoot on grass twice a day

  The practice of grounding, maybe we shouldn't call it a practice

  lifestyle

  self

  Sep 15, 2024
• How Long Is The Arc AC?

  A Circle Geometry Puzzle

  math

  Sep 15, 2024
• I Pray To The Universe

  Source

  spirituality

  Sep 14, 2024
• Can You Find This Infinite Sum?

  🎯 Math Games | Puzzle 17 | 14/9/2024

  math

  Sep 14, 2024
• How Many Ways To Put Them If No Empty Boxes Are Allowed?

  A counting puzzle

  writing

  Sep 14, 2024
• Can You Tell Me The Number Of Digits?

  A number theory puzzle

  math

  Sep 13, 2024
• We Are Like Baby Turtles

  The other day I was watching videos on baby turtles racing to the ocean as soon as they are born. They are called hatchlings. And only 1 in...

  self

  parenting

  Sep 12, 2024
• Can You Count Them All?

  A Fun Math Puzzle

  writing

  math

  Sep 11, 2024
• Can You Minimize The Distance?

  A Geometry Puzzle 💫

  math

  Sep 11, 2024
• Can You Find How Many Fruits There Are?

  A Simple Logic Puzzle 🍎🍊🍌

  math

  Sep 10, 2024
• Prove it! (Another one)

  🎯 Math Games | Puzzle 16 | 31/8/2024

  math

  Sep 09, 2024
• Are You Smart Enough To Find The First 2 Digits?

  This is a big number ...

  math

  Sep 09, 2024
• I don't like cities

  and a few things

  society

  Sep 08, 2024
• Can You Find The Area?

  Including the middle bit 🏮

  math

  Sep 08, 2024
• Can You Make This 24?

  The 24 Game 🎮

  math

  Sep 07, 2024
• Can You Find The Area?

  A classic geometry puzzle

  math

  Sep 06, 2024
• I hope you can read these two articles by professor Karin Badt

  A friend once told me we need to leave the world better than we found it

  health

  Sep 05, 2024
• I am taking a break

  Please read this and offer help if you can

  poetry

  Sep 02, 2024
• Prove it! (Another one)

  🎯 Math Games | Puzzle 16 | 31/8/2024

  humor

  comics

  Aug 31, 2024
• Articles I Find Worthwhile On Medium

  If you are reading this, I assume you love learning more about the world. While I mainly write about mathematics, I also enjoy other topics...

  writing

  Aug 31, 2024
• No Matter What, You Keep Finding Something To Fight For

  self

  family

  Aug 31, 2024
• Can You Find The Greatest Power Of 2?

  An algebra puzzle

  math

  Aug 30, 2024
• Truth, Greed, Nature

  29/8/2024

  self

  Aug 29, 2024
• How Many Different Ways Can You Put The Light Bulbs?

  A counting puzzle

  math

  Aug 29, 2024
• Can You Sum This Up In 1 Minute?

  You can do it in 20 seconds if you know your trigonometry well!

  math

  Aug 28, 2024
• I just had my wisdom teeth taken out today

  Pain is nature's way of telling us something is not right

  self

  health

  Aug 27, 2024
• Prove This!

  🎯 Math Games | Solution 15 | 26/8/2024

  math

  Aug 26, 2024
• How Likely Does The Lion Arrive At D?

  A probability puzzle of a Lion's den 🦁

  math

  Aug 25, 2024
• How Would You Find Angle x?

  An angle chasing puzzle within a pentagon ⬟

  math

  Aug 24, 2024
• Time Now Is Always Worth More Than Time Later

  Time is money, but money is never time

  self

  Aug 24, 2024
• Prove This!

  🎯 Math Games | Puzzle 15 | 24/8/2024

  comics

  Aug 24, 2024
• Can You Sum This To Infinity?

  An algebra puzzle ♾️

  math

  Aug 24, 2024
• How Often Are There 6 Legs?

  A probability puzzle with 🐥 & 🐷

  math

  Aug 23, 2024
• What's The Area Of The Triangle?

  Can you solve this geometry puzzle?

  math

  Aug 23, 2024
• Can You Do This In Your Head?

  No pens and papers needed 🚫

  writing

  Aug 22, 2024
• What's The 821st Number?

  An algebra math puzzle 🧮

  math

  Aug 21, 2024
• 22.5% of My Math Degree Marks Comes From Language Modules

  I believe learning a language is more enriching to the soul

  math

  education

  Aug 20, 2024
• Can You Find The Blue Angle?

  A circle geometry puzzle 🔵

  math

  Aug 20, 2024
• Can You Solve This Integral With Substitution?

  🎯 Math Games | Solution 14 | 19/8/2024

  math

  Aug 19, 2024
• Are You Smart Enough To Study Math At Oxford?

  Oxford MAT Algebra Challenge

  math

  Aug 18, 2024
• Can You Solve This Integral With Substitution?

  🎯 Math Games | Puzzle 14 | 17/8/2024

  math

  Aug 17, 2024
• How Much Of This Is Pentagons?

  A Simple Math Puzzle ⛪

  math

  Aug 17, 2024
• Can You Find The Area of The Semi-circle?

  Given you know how big the square is 🔷

  math

  Aug 16, 2024
• What's The Ratio The Crease Divides?

  A Geometry Puzzle 📜

  math

  Aug 15, 2024
• How Big Is The Red Area?

  A Geometry Puzzle 🏮

  writing

  Aug 14, 2024
• A Sleep Conundrum

  If only I could sleep like a cat

  lifestyle

  self

  Aug 13, 2024
• Are You Quick Enough To Find x?

  An algebra puzzle

  math

  Aug 13, 2024
• Can You Find cos(2Θ)?

  🎯 Math Games | Solution 13 | 12/8/2024

  math

  Aug 12, 2024
• How Likely Is A Vowel Drawn?

  A Probability Puzzle with the Alphabet

  math

  Aug 11, 2024
• Do This In 1 Second ⏳

  Does this count as a math puzzle?

  humor

  math

  Aug 10, 2024
• Can You Find cos(2Θ)?

  🎯 Math Games | Puzzle 13 | 10/8/2024

  math

  Aug 10, 2024
• Can You Measure Time Perfectly By Burning Rods?

  Let us first go through the simpler case 🔥

  productivity

  self

  Aug 09, 2024
• How Much Bigger Is The Dragon?

  An elementary geometry puzzle

  math

  Aug 08, 2024
• Am I Skiing Or Am I Thinking?

  My internal monologue up and down the snowy mountains

  lifestyle

  self

  Aug 08, 2024
• How Big Is Black And Red?

  A Geometry Puzzle

  math

  Aug 06, 2024
• What Time Will It Be?

  🎯 Math Games | Solution 12 | 5/8/2024

  math

  Aug 05, 2024
• 1 Knife, 2 Apples, 3 People

  A Logical Brain Teaser 🍎🍏

  humor

  math

  Aug 04, 2024
• What Time Will It Be?

  🎯 Math Games | Puzzle 12 | 3/8/2024

  math

  comics

  Aug 03, 2024
• What's The Area of The Red Region?

  A Fun Geometry Puzzle 🍒

  math

  Aug 03, 2024
• How Would You Find The Side?

  A Geometry Problem on the Cartesian Plane

  math

  Aug 02, 2024
• Can You Solve This New Sudoku?

  This works like Sudoku, except it's multiplication 🤹‍♀️❌

  math

  Aug 01, 2024
• When Do Two Polynomials Share A Root?

  An Algebra Puzzle 🧩

  math

  Jul 31, 2024
• Jupiter and Saturn will never become the Sun

  No matter how hard they try orbiting around it

  space

  Jul 30, 2024
• What is a + b + c + d + e?

  🎯 Math Games | Puzzle 11 | 29/7/2024

  math

  Jul 29, 2024
• How Many Ways To Make 19 − 18 = 10?

  Share you most creative solutions 🎨

  creativity

  writing

  math

  Jul 29, 2024
• Can You Solve This Oxford University Geometry Puzzle?

  Oxford MAT Geometry 🍊

  math

  Jul 28, 2024
• In life, as in mathematics, not everything has a real solution

  If only imaginary solutions aren't so imaginary ...

  math

  Jul 27, 2024
• What is a + b + c + d + e?

  🎯 Math Games | Puzzle 11 | 27/7/2024

  math

  comics

  Jul 27, 2024
• What Is The Area Of The Triangle?

  I know this is simple

  math

  Jul 26, 2024
• I have heightened sensitivity to sounds

  I can hear my parents' footsteps at night, my brother's cooking at dawn

  mental-health

  self

  Jul 24, 2024
• What Are The Points P and Q?

  A High School Calculus Challenge

  math

  Jul 24, 2024
• How Often Do You Win?

  If you answer 3️⃣ questions randomly

  work

  Jul 23, 2024
• What is m + n?

  🎯 Math Games | Solution 10 | 22/7/2024

  math

  Jul 22, 2024
• What Is The Area of The Intersection?

  What would the graph look like?

  math

  Jul 21, 2024
• What is m + n?

  🎯 Math Games | Puzzle 10 | 20/7/2024

  math

  Jul 20, 2024
• I don't like mathematics enough

  I just finished second year of my mathematics degree

  math

  Jul 19, 2024
• Can You Find x?

  An Algebra Puzzle

  math

  Jul 18, 2024
• Disneyland

  As the ice-cream melts ...

  self

  Jul 17, 2024
• How likely is the ball to enter Q?

  A Simple Probability Challenge

  math

  Jul 15, 2024
• Can You Find The Radius?

  🎯 Math Games | Solution 9 | 15/7/2024

  math

  Jul 15, 2024
• Can You Color Exactly Two Squares?

  A Simple Logic Puzzle 🎨

  math

  programming

  Jul 14, 2024
• The Daily Bare Minimum

  13/7/2024

  relationships

  work

  Jul 13, 2024
• Can You Find The Radius?

  🎯 Math Games | Puzzle 9 | 13/7/2024

  comics

  Jul 13, 2024
• How To Sum All 4 Angles?

  A Circle Geometry Puzzle 🦧🍊

  math

  Jul 13, 2024
• Are You Smart Enough To Find The Area?

  A Geometry Puzzle 🍏

  math

  Jul 12, 2024
• When Do Two Dice Add To A Prime?

  A challenging probability puzzle

  math

  Jul 11, 2024
• I was browsing LinkedIn

  And not all of us will make it ...

  work

  Jul 11, 2024
• Can You Find The Sum of All Red Angles?

  No need to find individual ones ...

  math

  Jul 10, 2024
• What's the Degree of This Polynomial?

  Are you smart enough to get into Oxford?

  math

  Jul 09, 2024
• What Is The Correct Value?

  🎯 Math Games | Solution 8 | 8/7/2024

  math

  Jul 08, 2024
• So Which Cup Is Most Likely To Hold The Coin?

  The probability is NOT 1/3 ... but why?

  math

  Jul 08, 2024
• How To Find ThisAlternating Sum?

  From 1996 to 1

  math

  Jul 07, 2024
• Can You Chase The Angle?

  AB and DE are parallel

  math

  Jul 06, 2024
• What Is The Correct Value?

  🎯 Math Games | Puzzle 8 | 6/7/2024

  comics

  Jul 06, 2024
• Medium Algorithm Is Like A Slot Machine

  Except we pay with time and effort, not coins

  creativity

  writing

  Jul 05, 2024
• What fraction of the square is shaded?

  The dots are equally spaced =🌌

  comics

  Jul 05, 2024
• What Is loga(b)?

  An algebra problem about a circle

  math

  Jul 04, 2024
• Infinite Jesters and Grandi's Series

  🎈🤡 and 1 − 1 + 1 − 1 + ⋯

  math

  Jul 03, 2024
• How Big Is The Shaded Region?

  Will you use calculus or geometry?

  math

  Jul 02, 2024
• 6 hours to go

  30/6/2024

  self

  Jun 30, 2024
• 11 hours to go

  30/6/2024

  travel

  Jun 30, 2024
• Can You Solve This Integral?

  It's a simple one actually

  math

  Jun 29, 2024
• Expectations vs Reality

  27/6/2024

  humor

  comics

  Jun 27, 2024
• Can You Pass This Cambridge Math ?

  Cambridge University Math Problem

  math

  Jun 27, 2024
• It's always the hardest to go from 0 to 1, but the 1 is far more important than the 2, the 3 and...

  26/6/2024

  self

  Jun 26, 2024
• Can You Solve This Under Five Minutes?

  Telescoping Series and Difference of Squares

  math

  Jun 26, 2024
• I am A Divergent

  25/6/2024

  self

  Jun 25, 2024
• How Many Light Bulbs Are Still On?

  After 100 mathematicians' flicks 💡💡💡

  math

  Jun 25, 2024
• Can You Find the Sum Of All Possible Radii?

  🎯 Math Games | Solution 7 | 24/6/2024

  math

  Jun 24, 2024
• Art Work from the city of Demacia

  22/6/2024

  humor

  Jun 22, 2024
• Can You Find The Highest And Lowest Points?

  A Calculus Math Puzzle

  math

  Jun 22, 2024
• Can You Find the Sum Of All Possible Radii?

  🎯 Math Games | Puzzle 7 | 22/6/2024

  math

  comics

  Jun 22, 2024
• Draw 4 Lines, 6 Lines and 8 Lines Only

  A Math & Logic Puzzle ✏ ✏ ✏

  math

  Jun 21, 2024
• How To Find 3 Variables?

  3 Mathematical Equations

  math

  Jun 20, 2024
• I Don't Care and You Probably Don't Either

  19/6/2024

  spirituality

  self

  Jun 19, 2024
• What's the Angle in the Triangle?

  Llorenc Sole sent me this puzzle by Catriona

  math

  Jun 19, 2024
• Teddy Bear, DVD, Transience

  18/6/2024

  relationships

  self

  Jun 18, 2024
• Can You Solve This Old School Geometry Puzzle?

  6 Squares and 4 Triangles

  math

  Jun 18, 2024
• What's The Difference Between Max and Min?

  🎯 Math Games | Solution 6 | 17/6/2024

  math

  Jun 17, 2024
• Can You Solve This Chessboard Probability Puzzle?

  A Probability Challenge

  math

  Jun 16, 2024
• 21, Inside Out 2, Identity

  15/6/2024 🎁

  relationships

  self

  Jun 15, 2024
• What's The Difference Between Max and Min?

  🎯 Math Games | Puzzle 6 | 15/6/2024

  comics

  Jun 15, 2024
• What Is The Smallest Possible Infinite Sum?

  An Algebra Puzzle

  math

  Jun 14, 2024
• Gloomy Day, Languages, Motivation

  13/6/2024

  self

  Jun 13, 2024
• What Is The Radius Of The Yellow Circle?

  A Geometry Puzzle 🟡🟡🟡

  math

  Jun 13, 2024
• How To Divide A Taco Wrap into 8 Equal Pieces with 1 Cut?

  A Simple Geometry Demonstration 🌮🌮🌮

  math

  Jun 12, 2024
• 2/3, Logarithms, Future

  11/6/2024

  self

  Jun 11, 2024
• A High School Algebra Puzzle

  Can You Find The Value of C?

  math

  Jun 11, 2024
• The Trajectory of A Flying Bee 🐝

  🎯 Math Games | Solution 5 | 10/6/2024

  math

  Jun 10, 2024
• The Trajectory of A Flying Bee 🐝

  🎯 Math Games | Puzzle 5 | 8/6/2024

  comics

  Jun 08, 2024
• Studying, Vending Machines, Markup

  6/6/2024

  math

  Jun 06, 2024
• A Paintbrush Geometry Puzzle 🟠

  Fun Geometry Challenge

  math

  Jun 06, 2024
• Content Creators, Consumers, Actually Living

  4/6/2024 4

  social-media

  Jun 04, 2024
• Young People, Coaching, Pyramid

  3/6/2024

  self

  Jun 03, 2024
• How Long Is BC?

  A Geometry Problem

  math

  Jun 03, 2024
• How Can You Maximize The Chance of Winning?

  🎯 Math Games | Solution 4 | 3/6/2024

  math

  Jun 03, 2024
• Wolves, Mating, Monogamy

  1/6/2024

  relationships

  Jun 01, 2024
• A Calculus Puzzle

  Fundamental Theorem of Calculus

  math

  Jun 01, 2024
• How To Maximize The Chance of Winning?

  🎯 Math Games | Puzzle 4 | 1/6/2024

  comics

  Jun 01, 2024
• Fitting In, Friends, Social Capital

  31/5/2024

  relationships

  self

  May 31, 2024
• Can You Find The Product ab?

  A Simple Algebra Problem

  math

  May 31, 2024
• Guitar, Life Is Strange, Butterfly

  30/5/2024

  music

  poetry

  May 30, 2024
• Which Is The Odd One Out?

  Similar but not quite ...

  writing

  May 30, 2024
• Nietzsche, Geese, Us

  29/5/2024

  philosophy

  May 29, 2024
• Half A Fish Geometry Problem 🐟

  A Reader Sent Me This

  poetry

  May 29, 2024
• Can You Prove 🟥 = 🟦?

  A Geometry Puzzle: Can You Also Prove It With Calculus?

  math

  May 28, 2024
• Carnivore, Replicators, Biological Imperative

  27/5/2024

  science

  May 27, 2024
• How Big Is This Semi-Circle?

  A Fun Geometry Puzzle 🍉

  math

  May 27, 2024
• Coefficients of A Polynomial 👑

  🎯 Math Games | Solution 3 | 27/5/2024

  math

  May 27, 2024
• Cleaning, Momentum, Community

  26/5/2024

  self

  May 26, 2024
• How Often Is The Product Even?

  By choosing 2 integers from 1 to 2024

  math

  May 26, 2024
• Mad Max, Relationships, Phoenix

  25/2/2024

  relationships

  social-media

  May 25, 2024
• Coefficients of A Polynomial 👑

  🎯 Math Games | Puzzle 3 | 25/5/2024

  math

  May 25, 2024
• Mathematics, University, Rote Learning

  24/5/2024

  math

  May 24, 2024
• How Big Is The Purple Area?

  A Geometry Puzzle

  math

  May 24, 2024
• Documenting, Living, Trying

  23/5/2024

  self

  May 23, 2024
• Do You Know How To Do This Oxford Math Puzzle?

  derivatives and second derivatives

  math

  May 22, 2024
• Are You Smart Enough To Study At Cambridge?

  Try this math puzzle to find out 🎇

  math

  May 21, 2024
• Can You Find The Area Of A Rhombus Inside Another One?

  A Fun & Challenging Geometry Puzzle

  math

  May 20, 2024
• Can You Find the Central Angle between Two Points on Earth?

  🎯 Math Games | Solution 2 | 18/5/2024

  math

  May 20, 2024
• How Many Sides Are Coated In Paint?

  Dipping an 8 by 8 by 8 Rubik's cube for math 🎨

  math

  May 19, 2024
• Can You Do This Integral In Your Head? 🧠🧠

  A Fun Calculus Puzzle

  math

  May 19, 2024
• Finding the Central Angle between Two Points on Earth 👑

  🎯 Math Games | Puzzle 2 | 18/5/2024

  comics

  May 18, 2024
• Can You Pick The Right Answer?

  A Simple Math Puzzle

  math

  May 17, 2024
• Can You Pass This 12-Ball Interview Puzzle?

  Ok this type of question can be asked at an interview ...

  self

  May 15, 2024
• A Simple But Fun Calculus Puzzle

  Integration and Areas

  math

  May 14, 2024
• Are You Smart Enough To Find The Area?

  Can You Solve It Under 20 Seconds This Time ⌛⌛

  writing

  May 14, 2024
• Are You Smart Enough To Do This Cambridge Math Question?

  Cambridge TMUA Math Puzzle

  self

  May 13, 2024
• Can You Solve 3 Circles and A Triangle 👑

  🎯 Math Games | Solution 1 | 11/5/2024

  math

  May 13, 2024
• How Big Is The Red Part?

  Can You Do It In 10 Seconds?

  math

  May 12, 2024
• 3 Circles and A Triangle 👑

  🎯 Math Games | Puzzle 1 | 11/5/2024

  comics

  May 11, 2024
• How Do You Find The Length Of X?

  Don't forget the first ever Math Games today 👑

  math

  May 11, 2024
• What Are All Possible Answers?

  There are 2 in fact w

  math

  May 10, 2024
• Can You Calculate With No Calculator?

  A Challenging Algebra Puzzle

  math

  May 09, 2024
• Can You Solve This Integral From Cambridge University?

  A TMUA Math Problem

  math

  May 09, 2024
• Can You Solve This Infinite Product?

  Infinitely Many Terms

  math

  May 08, 2024
• Hall of Fame 🏆

  Where legends leave their mark on the world

  sports

  math

  comics

  May 08, 2024
• Welcome To The Weekly Math Games

  I am your host, Bella L 🏹

  math

  May 08, 2024
• Can You Solve This Oxford Math Puzzle? 🎁

  Oxford MAT: Which is the correct graph?

  math

  May 07, 2024
• What Is The Value Of Y?

  Forming a square

  math

  May 06, 2024
• How Would You Find X?

  A Fun Algebra Equation

  math

  May 06, 2024
• Can You Solve Two Quadratic Equations?

  A quadratic raised to another quadratic 🎈

  math

  May 05, 2024
• How Many Odd Divisors Does 21! Have?

  21! = 51,090,942,171,709,440,000 😲🤯

  math

  May 05, 2024
• To Get Married Or To Not Get Married?

  That is the question ...

  relationships

  May 04, 2024
• A Not So Easy Geometry Challenge

  How Good Is Your Geometry And Trigonometry?

  math

  May 03, 2024
• What's The Probability The Angle Is Acute?

  Geometry and Probability

  math

  May 02, 2024
• How Much Of The Figure Is Colored Red?

  A Very Aesthetically Pleasing Answer!🎨

  math

  Apr 30, 2024
• How To Find The Long Sum Of Logarithms?

  An Interesting Algebra Math Puzzle 🪓

  math

  Apr 30, 2024
• Who Is Most Likely To Win?

  A Game Theory Challenge: Not What You Think!

  math

  Apr 29, 2024
• Can You Use A Parabola?

  A Simple Algebra Math Puzzle

  math

  Apr 29, 2024
• Can You Find The 3 Areas? 🟦🟧🟥

  A Fun Calculus Challenge

  math

  Apr 28, 2024
• Can You Solve This Elegantly?

  Elegance and Brute Force

  math

  Apr 28, 2024
• Can You Solve This Probability Challenge?

  An Explanation with Bayes' Theorem & A Bonus Challenge

  math

  Apr 27, 2024
• Can You Pick The Perfect Square?

  A Fun Math Puzzle: Perfect Squares

  math

  Apr 26, 2024
• Can You Find Y − X? (In 5 Seconds ⏳)

  A Very Simple Math Puzzle & 20k followers

  writing

  math

  Apr 23, 2024
• Can You Solve This Classical Mechanics Problem from Cambridge University Entrance Exam?

  A rectangular prism fixed on a horizontal surface & more

  math

  Apr 23, 2024
• A Tough Calculus Problem

  Ok it does look like 👙

  math

  Apr 22, 2024
• What Is the Ratio of the Volume of the Smaller Cone to That of the Larger?

  Two cones with different shapes 🎉

  math

  Apr 21, 2024
• How Much is Shaded?

  An Elegant Geometry Puzzle

  math

  Apr 20, 2024
• Are You Smart Enough To Solve This Square Root Problem?

  An Algebra Puzzle

  math

  Apr 20, 2024
• What is it?

  A Fun & Simple Riddle

  math

  Apr 19, 2024
• Is The Area 69 or 70?

  Understanding Chessboard Paradox

  writing

  math

  Apr 19, 2024
• When Is 8 + 8 = 91?

  A Change of Perspective 🙃

  math

  Apr 18, 2024
• A Scrumptious Geometry Cake: How Big Is The Square?

  A Geometry Puzzle: there's a red herring! 🐠

  poetry

  Apr 18, 2024
• Can You Find This Product: abcd?

  An algebra puzzle with exponentials

  writing

  Apr 17, 2024
• An Elegant Proof of the Irrationality of √2

  Proof by Infinite Descent

  math

  Apr 17, 2024
• How Many Mice Will You Have After 10 Months?

  Your daily dose of brain teaser and cute mice 🐭🐭🐭

  humor

  Apr 15, 2024
• Can You Find Out The Probability Of Exactly 50 Heads?

  A Probability Puzzle of Coin Tossing 💰

  math

  Apr 15, 2024
• Can You Add 1 Line In 5 Seconds?

  Another quick & sweet brain teaser

  humor

  math

  Apr 14, 2024
• Can You Find The Area Of The Hexagon?

  Purple part is 3; orange part is 1

  math

  Apr 14, 2024
• What Is 3/7 🐔, 2/3 😺 and 1/2 🐐?

  A Fun Brain Teaser

  humor

  math

  Apr 13, 2024
• Are You Smart Enough To Find The Total Yellow Area?

  We know that the area of the red square is 12 🎯

  math

  Apr 13, 2024
• How Would You Play This Game Of Russian Roulette? 🎰🎲

  A Probability Puzzle: Would You Go First Or Second?

  math

  Apr 12, 2024
• Can You Ace This Geometry Challenge?

  Floor tile pattern in a cathedral 💒

  math

  Apr 11, 2024
• Can You Find The Value of n?

  A Complex Number Question: Imaginary Unicorn and Fairy 🦄🧚‍♀️

  math

  Apr 11, 2024
• How To Evaluate Recurring Decimals?

  A Fun Problem In Basic Mathematics

  math

  Apr 10, 2024
• What Percentage Of This Square Is Red?

  A Fun Math Puzzle: Can You Count All The Red Squares?

  math

  Apr 09, 2024
• Which Point Is Not On This Infinite Spiral?

  A Challenging Cambridge Math Puzzle

  writing

  math

  Apr 08, 2024
• Can You Get This Right In 10 Seconds?

  A Fun Algebra Puzzle

  math

  Apr 07, 2024
• How Often Does The Dart Land 🎯

  A Geometry Question In Disguise

  math

  comics

  Apr 06, 2024
• Give Me Some Suggestions

  Photo by jms on Unsplash

  math

  Apr 06, 2024
• Can You Pass Oxford University's Math Test?

  An Oxford MAT Question: The Maximum Value

  math

  Apr 05, 2024
• What's a That Satisfies This Log Equation?

  A Problem In The Forest 🌴

  math

  Apr 04, 2024
• What Is The Area of The Shaded Region of This 8 By 5 Rectangle?

  A Geometry Puzzle: Rays of Blue and Red

  writing

  math

  Apr 03, 2024
• What Is The Value Of C So That The Red Region = Blue Region?

  A High School Calculus Puzzle 🔴🔵

  math

  Apr 02, 2024
• How Long Is The Line Connecting The Two Circles?

  They kinda look like planets 🪐

  math

  Apr 01, 2024
• Can You Find The Sum Of All 3 Circles?

  A Fun Geometry Problem 🔴🟡🔵

  math

  Apr 01, 2024
• Can You Solve This Cambridge Math Puzzle?

  Happy Easter Everyone!

  math

  Mar 31, 2024
• A Very Tricky Quadratic Equation

  What to do if we have an absolute sign?

  math

  Mar 30, 2024
• A Red Region Eclipsed By Semi-circles

  Can You Crack This Geometry Puzzle?

  math

  Mar 29, 2024
• How Would You Find a?

  An Algebra Puzzle

  math

  Mar 29, 2024
• A New Operation Puzzle 🌟

  Can You Find The Answer? The Order Matters!

  math

  Mar 28, 2024
• A Classic Integration By Parts Challenge

  The Integral of e^x sinx

  math

  Mar 27, 2024
• Can You Find The Area Of The Fin?

  A Shark Geometry Problem 🦈

  math

  Mar 27, 2024
• Can You Find The Tens Digit Of This Big Sum Under 1 Minute?

  A Sum of Factorials: A Fun Puzzle

  math

  Mar 26, 2024
• How Would You Find The Angle?

  Butterfly Shaped Puzzle 🦋: Thank you to 10k of you all!

  math

  Mar 25, 2024
• How Many Pages Are In The Book?

  A Math Puzzle: Backwards Deduction

  writing

  Mar 24, 2024
• Can You Solve This Linear Function Puzzle?

  A Simple Math Challenge 🍄

  math

  Mar 23, 2024
• Do You Know How To Do This Geometry Puzzle?

  4 circles inscribed in a bigger circle

  poetry

  math

  Mar 23, 2024
• This Is What Oxford University Asks Students

  An Oxford MAT Question: The Biggest Integral

  math

  Mar 22, 2024
• Can You Find The Remainder?

  The Remainder of A Big Number

  math

  Mar 21, 2024
• An Ant Math Puzzle: Climbing Up The Cubes 🐜

  Can You Find Out How Far Its Journey Is?

  math

  Mar 21, 2024
• A Double Summation Math Puzzle

  How Would You Do It?

  math

  Mar 19, 2024
• What's The Answer To That Many Logarithms?

  An Algebra Puzzle

  math

  Mar 19, 2024
• A Very Mathematical Clock

  12 Expressions and 12 Answers: Can You Evaluate Them All?

  math

  Mar 18, 2024
• A Fun Geometry Problem

  3 Circles and more!

  math

  Mar 18, 2024
• Can You Evaluate This Expression?

  A Fun Algebra Puzzle

  math

  Mar 17, 2024
• What's The Bond Angle In Methane?

  Selena Routley suggested this problem 🧪

  math

  Mar 17, 2024
• What's The Correct Percentage?

  A Math Puzzle: Percentages

  math

  Mar 17, 2024
• Can You Find The Largest Value?

  A very basic and simple math puzzle

  math

  Mar 17, 2024
• How Many Times Was The Coin Tossed?

  A Math Puzzle in Probability

  math

  Mar 16, 2024
• Are You Smart Enough To Find The Area?

  An Interesting Geometry Puzzle

  math

  Mar 15, 2024
• Happy Pi Day 🎂: Are You Smart Enough To Solve This?

  Is it π or pie? Or both!?

  math

  Mar 14, 2024
• A Big Number Puzzle

  Do You Know How To Do This?

  math

  Mar 13, 2024
• Can You Pass This Apple-Orange Interview At Apple 🍎?

  The iPhone Company's Interview Question

  writing

  Mar 13, 2024
• Mathematics & Calculus

  Time For Another Calculus Puzzle

  math

  Mar 12, 2024
• Can You Count Them All?

  A Math Puzzle of Colorful Rectangles

  math

  Mar 12, 2024
• Can You Rearrange And Count Them?

  3 must be blue, 2 red and 1 green 🔵🔴🟢

  writing

  math

  comics

  Mar 11, 2024
• How Long Is The Line?

  A Fun Geometry Puzzle 🏮

  writing

  Mar 11, 2024
• A Not Too Hard Algebra Puzzle

  Just some high school math you know :)

  math

  Mar 10, 2024
• Are You Clever Enough To Ace This?

  A Math Puzzle: 3 Circles within A Circle 🤹‍♀️

  math

  Mar 10, 2024
• Can You Find The Hundreds Digit of This Big Number?

  A Challenging Math Puzzle

  math

  Mar 09, 2024
• How Would You Solve This Math Puzzle?

  A test of your algebra skills 📑

  math

  Mar 09, 2024
• A Light-hearted Math Puzzle: h 💗 (h 💗 h) = ?

  Anyone can do it 🐰

  math

  Mar 08, 2024
• How Long Are All The Rings?

  An Algebra Problem With Many Rings 💍

  math

  Mar 08, 2024
• A Fun Geometry Puzzle 🍎

  Are You Smart Enough To Do It?

  math

  Mar 07, 2024
• What Is The Folium of Descartes?

  The area of the loop and the area between the wings and the asymptote have the same area 🌸

  math

  Mar 06, 2024
• Can You Pick The Real Coins?

  A Probability Puzzle of Counterfeit Coins 💰

  math

  Mar 05, 2024
• Can You Add The Sum Of 3 Lines?

  A Star-shaped Geometry Puzzle 🌟

  math

  Mar 05, 2024
• How Fast Do You Walk Around The Track?

  A Fun Algebra Puzzle

  math

  Mar 04, 2024
• Can You Count The Correct Number Of Toothpicks?

  An Elementary Counting Problem 🦷

  math

  Mar 03, 2024
• How To Find The Area of The Triangle?

  A Sunflower Geometry Problem 🌻

  math

  Mar 03, 2024
• How To Find The Infinite Sum?

  A beautiful solution

  math

  Mar 02, 2024
• How Many Ways To Put The Candies?

  A Counting Problem 🍬

  math

  Mar 02, 2024
• High School Alege

  Where Is The Circle Positioned?

  math

  Mar 01, 2024
• How To Find The Area of The Semi-Circle? 🍉

  A Fun Geometry Puzzle

  math

  Mar 01, 2024
• What's The Integer Part?

  A Nested Radical Problem

  math

  Feb 29, 2024
• A Geometry Puzzle with Two Concentric Circles ⭕🟡

  How would you do it?

  math

  Feb 28, 2024
• A Probability Puzzle: Finding 1000P

  A game of chess ♟

  math

  Feb 28, 2024
• Beautiful Mathematics: Proofs Without Words

  Mathematics is a vast and ever expanding subject. It's got numbers, symbols, formulas, proofs and diagrams. As one advances to higher...

  math

  Feb 27, 2024
• Can You Find P + Q + R?

  A Cryptarithmetic Puzzle

  math

  Feb 27, 2024
• How Many Ways Can You Slice A Donut?

  The intriguing math of Spiric Sections

  math

  Feb 26, 2024
• Are You Clever Enough To Get Into Oxford University?

  An Oxford MAT challenge

  math

  Feb 26, 2024
• How Long Is The Curve of the Shell? 🐌

  An engaging and interesting math problem

  math

  Feb 25, 2024
• Can You Find The Area of The Hexagon?

  A simple and fun geometry puzzle

  math

  Feb 24, 2024
• A Calculus Challenge from Oxford University

  Symmetry is your friend 🦋

  math

  Feb 24, 2024
• Do You Know How To Solve This?

  A functional equation math puzzle

  math

  Feb 23, 2024
• A Handshake Problem with 2016 Guests 🙌

  How many hands did the 2016th participant shake?

  math

  Feb 23, 2024
• A 7-Circle Geometry Problem 🃏

  The centers of the seven circles shown all lie on the same line. The four smaller circles have a radius of 1 cm.

  math

  Feb 22, 2024
• Can You Count The Number of Triangles?

  Not including the party banners 🎉🎈

  math

  Feb 22, 2024
• How To Mathematically Share A Pizza with 3 People?

  Integral Calculus: 2 Parallel Cuts

  math

  Feb 21, 2024
• Can You Get Into Cambridge University? 🍕

  Assuming the angles can take any values of 1, 2, ... ,360 degrees

  math

  Feb 21, 2024
• Can You Find The Area of The Hexagon? 🍯

  A honeycomb within an orange 🍊

  writing

  Feb 20, 2024
• Can You Find The Probability?

  An Oxford MAT Problem from 2003

  math

  Feb 20, 2024
• A Fun Cambridge Admission Math Problem 🐦

  A general integral

  math

  Feb 19, 2024
• A Cambridge University Math Problem: What is u_(1000)?

  Patterns and Proof

  math

  Feb 19, 2024
• Can You Solve Aristotle's Wheel Paradox? 🎡

  Click that play button on the GIF I found from @InertialObservr on Twitter!

  math

  Feb 16, 2024
• Can You Find The Correct Answer?

  A very long product

  math

  Feb 15, 2024
• An Oxford University Math Problem

  Oxford MAT 2020: Integral Calculus

  math

  Feb 15, 2024
• A Valentine's Day Math Problem 💖

  Happy Valentine's Day: How Big Is Your Heart?

  math

  Feb 14, 2024
• A Simple and Fun Geometry Problem

  draw a diagram! 🎨

  math

  Feb 13, 2024
• A Delightful Oxford University Math Question That You Can Solve

  A math puzzle a day keeps the brain in play 🧠

  math

  Feb 13, 2024
• A Sangaku-like Puzzle from Japan 🗾

  a sangaku has many circles; a sangaku-like puzzle has other shapes

  math

  Feb 12, 2024
• How To Win Rock Paper Scissors with Math? 🎲

  Scissors beat paper, paper covers rock, rock blunts scissors

  math

  Feb 11, 2024
• How Do You Find x?

  when there are infinitely many of them ...

  math

  Feb 09, 2024
• Are You Smart Enough For A Math Degree at Oxford University?

  A math problem with a simple solution!

  math

  Feb 09, 2024
• A Fun Combinatorics Problem

  Using the stars and bars theorem ⭐

  math

  Feb 08, 2024
• Welcome to High School Calculus

  Starting a math publication for high school students

  math

  Feb 08, 2024
• A Japanese Math Problem at the Isaniwa Shrine from 1937 🏯

  Do you understand the characters?

  math

  Feb 08, 2024
• A Japanese Sangaku Problem at the Tokuraji Temple 🎌

  More circles within circles

  math

  Feb 07, 2024
• Can You Solve This Japanese Sangaku Problem? 🍙

  Circles within circles

  math

  Feb 06, 2024
• Here's How to Find the Logarithm of Any Number With a Piece of String 🧵

  Catenary: Latin for a hanging chain

  math

  Feb 04, 2024
• How Much Do The 6 Triangles Cover The Hexagon?

  A Very Cool And Easy Geometry Problem

  math

  Feb 04, 2024
• 7 Really Cool Match Puzzles 🔥You Must Try

  #1 Move 3 matches and turn around the fish🐟

  math

  Feb 03, 2024
• A Very Strange Looking Integral: 2024! (Factorial)

  How would you solve it?

  math

  Feb 03, 2024
• Are You Smart Enough To Find The Radius?

  A Fun Geometry Challenge

  math

  Feb 03, 2024
• Can You Get Into Cambridge University?

  A Calculus Problem

  math

  Feb 02, 2024
• What Are Shadows Made Of?

  It's just the absence of photons, not some evil demon :)

  poetry

  space

  science

  Feb 02, 2024
• Can You Find What M Is?

  An Interesting Calculus Problem

  math

  Jan 31, 2024
• An Integral With Respect to dx²? How?

  An insightful calculus problem

  math

  Jan 31, 2024
• (2 + 3) + 4 = 9, what about (2*3)*4? ✨

  A Simple Math Puzzle Anyone Can Solve!

  math

  Jan 30, 2024
• 'Probably The Hardest Geometry Equation In The World'

  Max Fischer daydreaming in Rushmore Academy

  math

  Jan 30, 2024
• What Is the Angle at 07:12? ⏰

  Between the minute hand and the hour hand

  math

  Jan 29, 2024
• Mathematical Paradox in the Simpsons: 1–1/2 + 1/3–1/4 + . . . = 0

  Professor at the more famous MIT made a mistake!

  math

  Jan 29, 2024
• A Function Challenge

  Are You Smart Enough To Do It?

  math

  Jan 28, 2024
• Do You Understand This Math Joke?

  Math in Homer Simpson 🥧

  math

  Jan 27, 2024
• Squashing A Rhombus

  Beautiful Geometry

  math

  Jan 27, 2024
• How Far Does The **Center** Go From A To B?

  The center of the ball, not the ball itself!

  math

  Jan 26, 2024
• 1³ + 3³ + 5³ + ... + 19³ = ?

  Oxford MAT Question

  math

  Jan 25, 2024
• An Elegant Proof That 1 + 1 = 2

  And 2 + 2 = 4 and so on

  math

  Jan 20, 2024
• Draw A Line To Solve This!

  A Challenging Geometry Puzzle

  math

  Jan 18, 2024
• How Full Is The Bottle?

  A Viral Math Brain Teaser: Can You Solve It?

  math

  Jan 17, 2024
• A Very Simple Math Problem

  Addition and Reciprocal: Don't Get This Wrong!

  math

  comics

  Jan 16, 2024
• How Many Different Bracelets Can Be Made?

  Mathematics: A Combinatorics Challenge

  math

  comics

  Jan 15, 2024
• A Very Smart Solution On Oxford University Geometry Problem

  The Quick And Elegant Way

  math

  Jan 13, 2024
• An Old Oxford University Question from 2010

  Oxford MAT Calculus Challenge

  math

  Jan 13, 2024
• How Much Space Do 3 Spheres Occupy? 🔴🔴🔴

  A Geometry Puzzle

  math

  Jan 12, 2024
• Can You Find The Sum of Infinitely Many Angles?

  The Beauty of Real Analysis: The Infinite Square Problem

  math

  Jan 11, 2024
• JEE Advanced Integral Challenge

  Indian Mathematics Exam Problem

  math

  Jan 10, 2024
• Challenging Math Puzzles

  Lists of Algebra, Geometry, Calculus, Probability, Physics and more

  math

  Jan 06, 2024
• Chaos Theory

  In 3 Poems

  poetry

  Jan 01, 2024
• What Exactly is A Fractional Derivative?

  A Mathematical Exploration of 'Half Derivatives'

  math

  Dec 30, 2023
• An Infinite-Nested Fraction Integral

  How to simplify the nested fraction?

  math

  Dec 28, 2023
• An Absolute Radical Integral

  It's an even function, what would you do?

  math

  Dec 27, 2023
• Derivative of x^x

  Differential Calculus

  math

  Dec 23, 2023
• How Many Zeroes Are There At The End Of 1000! ?

  A Number Theory Puzzle

  math

  Apr 26, 2023
• A Number Theory Puzzle

  Modular Arithmetic

  math

  Apr 23, 2023
• A Second Order Differential Equation

  A Calculus Problem

  math

  Apr 21, 2023
• A Mathematical Induction Problem

  A Useful Formula

  math

  Apr 17, 2023
• What's the Area between the Curve and the x-axis?

  The Witch of Agnesi

  math

  Apr 16, 2023
• The Witch of Agnesi: the Mystery of a Fascinating Mathematical Curve

  In the realm of mathematics, the witch of Agnesi (pronounced as aɲˈɲeːzi, -eːsi; -ɛːzi) is a cubic curve that emerges from two diametric...

  math

  Apr 16, 2023
• MIT Calculus Final Exam

  Integration by parts for inverse trig?

  math

  Apr 15, 2023
• A University Differential Equation

  A Calculus Challenge

  math

  Apr 13, 2023
• How Tall is the Glass?

  An Algebra Brain Teaser

  math

  Apr 13, 2023
• Calculus in Physics: Newtonian physics & Special Relativity

  Application of Maclaurin Series

  math

  Apr 07, 2023
• MIT Calculus Advanced Placement Test

  Integral Calculus

  math

  Apr 06, 2023
• The Klein Bottle Hat: A Mind-Bending Accessory That Defies Intuition

  Introduction to Topology

  math

  Apr 06, 2023
• Constructing The Riemann Integral

  Real Analysis

  math

  Apr 06, 2023
• The Lemniscate of Bernoulli: A Mathematical Masterpiece

  ∞ and beyond

  math

  Apr 05, 2023
• MIT Calculus Advanced Placement Test

  Differential Equation

  math

  Apr 05, 2023
• When Topology Meets Calculus

  Epsilon-delta

  math

  Apr 04, 2023
• A Somewhat Tricky Mechanics Question

  Let us look at some kinematics

  math

  Apr 03, 2023
• A United Kingdom Math Challenge

  SMC 2022

  math

  Apr 02, 2023
• MIT Calculus Advanced Placement Test

  Area under Curve

  math

  Apr 01, 2023
• Green's Theorem

  Vector Calculus

  math

  Apr 01, 2023