Barry Leung, CoMN, KoMG, ARM

• 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

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  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
• 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
• Can You Find The Shaded Area?

  Geometry Challenge: 4 circles and one triangle

  math

  Jan 09, 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
• 2023 MIT Integration Bee 🐝

  Integral Calculus with Nested Fractions

  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