Barry Leung, CoMN, KoMG, ARM

• Life Is a Game of Musical Chairs

  It's an unfortunate reality of the human condition that there are more people vying for an ever dwindling number of musical chairs.

  work

  Jul 30, 2026
• Wilnecote, Middleton Lakes, Kingsbury & Echills Wood Railway

  Life itself is the best game there is to play. You as a character get to explore the uncharted lands of the map.

  travel

  Jul 30, 2026
• Write For Math Games

  A Publication for the Best Maths Puzzles on Medium

  math

  Jul 30, 2026
• The Public Goods Game

  You Are Not So Smart by David McRaney

  economy

  Jul 29, 2026
• A Maths Puzzle About Pirates Shooting In A Circle🏴‍☠️ 🪎

  Here's a classic maths retold: 1,024 pirates stand shoulder to shoulder in a circle, numbered 1 through 1,024. On the captain's whistle...

  math

  Jul 29, 2026
• The Consciousness Curse

  Shard from Cyberpunk 2077

  poetry

  Jul 29, 2026
• Women in High Paying Jobs

  Jordan Peterson's Lecture

  work

  feminism

  Jul 28, 2026
• How Can I Monetise This?

  I used Claude to create this HTML-based interactive maths puzzle. (Please click the link above to test it yourself!)

  programming

  Jul 28, 2026
• Let's Look At This 2026 Maths Exam For Gifted Students In Iraq

  I was scrolling on Reddit today and came across this difficult maths exam from Iraqi High School for gifted students.

  math

  Jul 28, 2026
• Are You Smart Enough To Find The Sum Of Angles?

  Sometimes I use AI to generate my blog posts on Medium. The thing is I am doing this for money like I don't care too much anymore about...

  math

  Jul 27, 2026
• Twin Stars: Deng Yu, Hong Wang, and the Proofs That Moved A Century-Old Mountain !

  On July 23, 2026, at the International Congress of Mathematicians in Philadelphia, the Fields Medal went to four mathematicians. Two of...

  math

  Jul 27, 2026
• The Most Productive Failed Walk in History

  When there's no route, stop optimizing and redraw the map.

  math

  Jul 26, 2026
• How To Find The Arc Length And Its Surface Area?

  In this article, we will take a deep dive into the derivations of the arc length of a curve and the surface area of the revolution of a...

  math

  Jul 25, 2026
• Do You Think You Can Study Maths At Oxford University?

  The function f, defined for whole positive numbers, satisfies f(1) = 1 and also the following rules

  math

  Jul 24, 2026
• Who Are You? Who Am I? Who Are We?

  If someone asks you the question, 'Who are you?', how would you answer? Perhaps you will say your name, followed by your country of origin...

  self

  Jul 23, 2026
• A Classic Maths Puzzle: How Many Cats Are Needed?

  The answer might not be what you think

  math

  Jul 23, 2026
• About Vegetarianism and Killing for Food

  I came across Dr Natasha Campbell-McBride's blog post on vegetarianism. I believe it is one of the most important posts anyone should read...

  food

  climate-change

  Jul 22, 2026
• Should You Roll Or Not? - A Counterintuitive Maths Puzzle

  Two bullets are loaded into a gun's round barrel consecutively.

  math

  Jul 22, 2026
• So How Does The Koch Snowflake Have Finite Area?

  Following part one of the series, we will now look at the area of a Koch snowflake starting with an equilateral triangle with a side length...

  math

  Jul 21, 2026
• What If Even Your Point of View Is Uncertain?

  Quantum Physics Says It Can Be

  science

  Jul 21, 2026
• Even A 6 Year-Old Kid Can Solve This In 7 Seconds. But Can You?

  The area of a triangle is 1/2(b)(h), where b is the base and h is the height.

  math

  Jul 20, 2026
• How Does The Koch Snowflake Have Infinite Perimeter?

  What is the perimeter of the above Koch snowflake starting from an equilateral triangle with side length 1?

  math

  Jul 20, 2026
• Student Finds Embarrassing Error in Cambridge Exam!

  The Cambridge IGCSE is the international equivalent of England's GCSE, a qualification typically taken by students aged 14 to 16.

  math

  Jul 19, 2026
• Are You Smart Enough To Get Into Cambridge University?

  math

  Jul 18, 2026
• A Memoir of Berry Picking

  My Chinese name is 梁信廉, and the English translation of that is 'Leung Shun Lim'. That said, I also have an English name (Barry) so that the...

  travel

  food

  Jul 18, 2026
• What's the Area between the Curve and the x-axis?

  This is the Witch of Agnesi, a bell-shaped mathematical curve named after the Italian mathematician Maria Gaetana Agnesi, famous because...

  math

  Jul 17, 2026
• Why Babies Spit Out Vegetables

  Because they are unhealthy and it's your sign to stop ingesting these toxic green leaves

  food

  Jul 17, 2026
• How Many Duplicate FIFA World Cup Stickers Should You Expect?

  A World Cup Maths Puzzle

  math

  Jul 15, 2026
• Hawking's Black Hole Prediction Faces a Mathematical Challenge

  A decades-old assumption that extremal black holes couldn't exist has been overturned by a surprising new proof.

  space

  Jul 14, 2026
• Don't EVER Try This Sum Of Sums Problem!

  The challenge for you is to solve for x.

  math

  Jul 13, 2026
• Do You Think YOU Can Solve This In 10 Seconds?

  math

  Jul 13, 2026
• Can You Evaluate This Without Using The Square Root On The Calculator?

  My challenge for you today is to find the value of this expression.

  math

  Jul 12, 2026
• New Mathematics Breathes Life Into Geometry's Most Ancient Mysteries!

  More than 2,200 years ago, the Greek geometer Apollonius of Perga posed a deceptively simple question: How many circles can touch three...

  math

  Jul 12, 2026
• Pictures From Hinckley & Wolverhampton

  I really think society is collapsing. People are struggling around the world. They cannot get any jobs to save their lives.

  travel

  Jul 11, 2026
• When Infinity Stops Making Sense: 7 Mathematical Paradoxes

  "Infinity is not just a very large number. It's a place where logic begins to behave in ways that seem impossible."

  math

  Jul 11, 2026
• Don't Get Fooled By This Oxford University Question!

  A red herring in plain sight

  math

  Jul 10, 2026
• Are You Smart Enough To Solve This In 7 Seconds?

  math

  Jul 09, 2026
• An 80-Year-Old Puzzle That FINALLY Changed Number Theory!

  math

  Jul 09, 2026
• How Quickly Can You Come Up With All 3 Solutions?

  A Geometry Problem

  math

  Jul 08, 2026
• A Slice of Coventry, United Kingdom

  Through Friary, Arboretum, Chapel, Tombstones and Everything in Between

  travel

  history

  Jul 08, 2026
• A Surprising Game Theory Challenge

  Not What You Think!

  math

  Jul 07, 2026
• A Cambridge University Geometry Puzzle

  The shape MNOP is a square of perimeter of 40 cm and has two lines of reflectional symmetry.

  math

  Jul 07, 2026
• How Would YOU Evaluate This INFINITE Series From Cambridge University?

  Let me know your approach!

  math

  Jul 06, 2026
• A 300-Year-Old Geometry Puzzle Finally Has an Answer

  The first known shape that cannot pass through itself has been discovered, settling a mathematical question born from a royal bet

  math

  Jul 06, 2026
• Can You Solve This MIT Probability Puzzle? 🇺🇸

  The figure shows a 4-digit password lock. Each gate has the digits 0–9.

  math

  Jul 05, 2026
• A Fun Cambridge University Maths Challenge From The Year 2023: Can You Do It In Your Head?

  I feel like because I have been posting daily maths puzzles over the past few years, whenever I look at a solution to any maths question, I...

  math

  Jul 05, 2026
• Think You Can Pass Cambridge University's Difficult Admission Test?

  All so-called math or science communicators are just rehashing existing ideas and materials. To be clear, there are more than enough...

  math

  Jul 04, 2026
• The Most Natural Mathematician

  It's not a badge of honour to study mathematics through coffee-fuelled late nights. It's not cool to have to sacrifice health or happiness...

  math

  education

  Jul 03, 2026
• Do You Think You Are Smart Enough To Study At Cambridge?

  This question comes from Cambridge University's Test of Mathematics for University Admission. To be clear, this is designed for students...

  math

  Jul 03, 2026
• What's The Volume Of The Vase?

  A Very Very Interesting Calculus Problem

  math

  Jul 02, 2026
• Can You Solve This EASY Oxford University Maths Question?

  This puzzle comes from an Oxford University's mathematics admission test. I must say back then we didn't have any AI that would scramble...

  math

  Jul 01, 2026
• The Coin Flip Hidden Inside Every Cubic Equation

  Somewhere in the Mediterranean, around 500 B.C., a group of men threw their colleague overboard for doing mathematics.

  math

  Jul 01, 2026
• Can You Find The Height of the Red Bar?

  A Brain Teaser From Maths StackExchange

  math

  Jun 30, 2026
• Can You Solve This Very Very Tricky Oxford University Maths Question?

  Sometimes I ask myself, you know, what's the reason for existence. What's the purpose of life? I don't have a sophisticated answer. But I...

  math

  Jun 29, 2026
• What Does A Ham Sandwich Have To Do With Maths?

  Calculus: Intermediate Value Theorem

  math

  Jun 29, 2026
• 8 Maths & Science Jokes Explained 🤡😹

  1. Why did the photon check a suitcase?

  math

  Jun 28, 2026
• An Oxford University Challenge: Does Alice Win Or Is It A Draw?

  This is a probability puzzle from the University Oxford's MAT. The test is designed for students looking to read mathematics at the...

  math

  Jun 27, 2026
• A Roundabout Puzzle: Can 12 Roads Be Made Safer?

  Roundabouts are useful for avoiding the delay of traffic lights, but they also come with a higher risk of accidents. To measure this risk...

  design

  Jun 26, 2026
• What Is The Probability That The First Ball Barry Took Was Red? 🔴🔵

  We've reached 1 MILLION views on the blog!

  math

  Jun 26, 2026
• When Is A Function Differentiable?

  These are some notes I made when studying my undergraduate degree at university. I hope you enjoy reading them. Perhaps by reading them...

  math

  Jun 25, 2026
• A Triple Summer

  Every day I wake up to straight rays of sunlight through the aperture created by the curtains I close, imitating living in an enclosed cave...

  self

  Jun 25, 2026
• An American Maths Problem A Day Keeps The Teacher Away 🍎🩺

  The figure above shows a grid of 10 squares in a row. Each square has a diagonal connecting its lower left vertex to its upper right...

  math

  Jun 24, 2026
• 7 Elegant Mathematical 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

  Jun 24, 2026
• The Art and Science Of Maths Communication

  Is to be at peace with the fact that some people like painting on a canvass more than solving equations on a blackboard. And that's ok.

  math

  Jun 23, 2026
• The Rubik's Cube Is a Tiny Philosophy Machine

  How a plastic icon of pop culture secretly teaches group theory, humility, and the art of undoing

  math

  Jun 23, 2026
• 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
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• How Far Apart Are These 2 Circles?

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• Try This Running Math Puzzle!

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• A Very Old Math Question From Cambridge University

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

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

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  Mar 21, 2026
• A Fly & Spider Math Puzzle

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• The Other Side Of Life On New House Organic Farm in Kniveton

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• So How Far Has The Ant Walked?

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• Sheep

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• About Me - Barry Leung

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• Making Sense of Gravitational Time Dilation & Special Relativistic Time Dilation

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• Our Mission

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

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• Almost - The King of Math Games (Math Games Official Anthem)

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• An Algebra Puzzle

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• Can You Count Them All?

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• What Day Of The Week Is It?

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• A Cambridge University Admission Question

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• A Full Day

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

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

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• Can You Solve This Oxford University Math Challenge?

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• Can You Solve This Oxford MAT Question from 1997?

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• So What's The Most Number of Hats You Can Make?

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• Can You Find The Total Length Of The Border Of The Cyan Design?

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

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• Can You Solve This Viral Cryptogram Puzzle?

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• On Unemployment, Credentialism and the Abstraction Economy

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• How Many Joins Are On The Football?

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

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

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• The Darkest Hours Always Forge The Brightest Flames

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

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• The SIMPLEST Explanation To The Monty Hall Problem

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

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• What's The Perimeter In The Middle?

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• Are You Smart Enough To Find The Shaded Area?

  Catriona Agg's Math Puzzle Challenge 13

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

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

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

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

  Catriona Agg's Math Puzzle Challenge 11

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  Jan 12, 2026
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• Can You Tell Me If The Wind Changes The Time?

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

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

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• Are You Clever Enough To Find The Total Shaded Area of 4 Squares?

  Catriona Agg's Math Puzzle Challenge 9

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

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• The Square Has Area 16: What's The Area Of The Blue Region?

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

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

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  Jan 04, 2026
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• Mathematical Properties of 2026

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  Jan 02, 2026
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  Jan 01, 2026
• How Many Animals Of Each Kind Did Moses Take Into The Ark?

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  spirituality

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

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  Dec 31, 2025
• The Game of Life

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  Dec 26, 2025
• Endless Hexagons?

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  Dec 25, 2025
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  Dec 22, 2025
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  Dec 21, 2025
• How Quickly Can You Find The Answer Of This Geometry Puzzle?

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  Dec 20, 2025
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  The 3rd Mathematical Puzzle from A Tangled Tale

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

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  Dec 17, 2025
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  Dec 14, 2025
• Compare Them: A Calculus Approach

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• Compare Them in 6/7 Seconds!

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  Dec 11, 2025
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  Dec 10, 2025
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  A Combinatorics Challenge

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  Dec 09, 2025
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  Dec 08, 2025
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  Dec 07, 2025
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  humor

  Dec 05, 2025
• A Geometry Problem from 2003

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  math

  Dec 04, 2025
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  Dec 03, 2025
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  Dec 02, 2025
• Can The Duck Escape From The Fox?

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

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  Nov 29, 2025
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  Nov 29, 2025
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  Nov 28, 2025
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  Nov 27, 2025
• The Wound They Misread

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

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

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

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  Nov 23, 2025
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  Nov 21, 2025
• Mathematics: Methods in Vectors

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

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  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.

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

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  Nov 17, 2025
• Candle Lights Before Bed

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• The **MOST** Beautiful Equation

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  Nov 14, 2025
• A Lewis Carroll Logic Puzzle

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  Nov 13, 2025
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  Nov 12, 2025
• Universities Feed Students Garbage, and Student Mental Health Is Paying the Price

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  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.

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

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

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

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

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

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

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  art

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  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

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

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  Nov 02, 2025
• I Failed My Machine Learning Exam

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

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

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

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  Oct 30, 2025
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  Oct 28, 2025
• Can You Help 5 Friends Share A Secret?

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

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• Can You Solve The Drunk Ant: A Challenging Quant Interview Question?

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  Oct 26, 2025
• A Scary Looking Math Expression

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  Oct 25, 2025
• This Blog

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• Can You Solve Alice's Crazy Clock?

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  Oct 22, 2025
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• The End Of A £100k+ Education

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

  Catriona Agg's Math Puzzle Challenge 8

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  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)

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  Oct 14, 2025
• 4 Math Puzzles About Age

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  math

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

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  Oct 08, 2025
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  A USSR Olympiad Math Problem

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• Do You Agree or Disagree with Alice?

  A Mathematical Riddle from Alice in Wonderland

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  Oct 04, 2025
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  Oct 03, 2025
• Here's How You Triple Integral Into A Sphere

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

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  Sep 29, 2025
• A Difficult Chinese Olympiad Puzzle

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

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

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  Sep 23, 2025
• An Advanced Indian Math Exam Question

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

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  May 26, 2024
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• Can You Pass This 12-Ball Interview Puzzle?

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  May 14, 2024
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  🎯 Math Games | Puzzle 1 | 11/5/2024

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• 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
• Can You Solve This In 5 Seconds?

  A very simple problem that you should know 💙

  math

  Feb 29, 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
• Can You Solve This Viral Prisoner Hat Puzzle? 🔴🔵

  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 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
• What is the Length of the String?

  Most People CANNOT Solve This!

  math

  programming

  Jan 22, 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
• The Latest Oxford University Geometry Challenge

  2023 Oxford Mathematics Admission Test

  math

  Jan 04, 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