The Theorem Hidden Inside Every Pyramid

Consonants Are Free. What Does "Octahedron" Cost?

Three Nearly Identical Integrals. Three Totally Different Solutions.

Why This Terrifying Exponent Problem Has a Tiny Answer

Finding the Area by Looking the Wrong Way First

Did Harvard Really Ask This on Their Entrance Exam?

What Is a Logarithm, Really?

Exterior Angle Sum: How the Slow Turtle Helps Explain a Mind-Bending Mathematical Result

What the 1869 MIT Entrance Exam Reveals About Math Today

Cracking the Commanders Code: Can NFL Wins Predict the White House?

Can We Ace This Empty Set True/False? Guide to Set Theory Basics

Are You Smarter Than OpenAI’s ChatGPT o1? The Prince and Princess Puzzle

Absolute Value with Two Variables? Say Less: Optimizing Absolute Equation Solving.

The Root of the Problem: Solving a Nested Square Root Equation by Applying Exponent Rules

Buy Low, Sell High: Solving the Cow Meme Profit Puzzle

Five Rectangles, One Square: What's the Area?

Inverting Exponentiation? Why Logarithms and Roots Are a Bit Weird.

The Golden Ratio and the Natural Log: An “Integral” Connection

An Infinite Sum that Will Leave You Speechless: Tackling a Putnam Problem

Turning a $1000 Investment into $10 Million: The Power of Charlie Munger's Patience

Factorials Unfolded: Crafting a Perfect Square out of the Product of the First Hundred Factorials

Why Shift the Bounds? U-Substitution with cos³(x) Explained

Direct, Inverse, and Joint Variation Explained: Master Constant Ratios and Products

Intuiting Why Zero Factorial Is One // Math Mini

The Perfect Square Secret of Consecutive Integers // Math Minute [#75]

What Are Prime Numbers For?

You're Hired! 2D In and Out from PrepTest 23 Game 2 // Logic Games [#36] [LSAT Analytical Reasoning]

Explaining a Problem Worth Solving More Than Once [Deep Dive 02] [LINEAR ALGEBRA]

How many times will tan x be equal to a series of its reciprocals?

Solve This Quadratics Question with Some Clever Geometry // [MATH CONTEST] #SoME3

Pythagoras Would Be Proud: High School Students' New Proof of the Pythagorean Theorem [TRIGONOMETRY]

How Probability Helps Us Understand an Unbeatable Game

A Pi Sudoku Puzzle (for Pi Day!)

Prime Gaps As Large As You Want (and Larger!) // [NUMBER THEORY]

It’s Not 4: Deep Dive on Some Interesting Polynomials

Puzzling Quarter Circle Area Problem [Geometry]

Interactive Unit Circle, Built in @Desmos

What's the Area of the Yellow Triangle? Geometry Puzzle from the Great Catriona Agg

Happy New Year! 2023 Reciprocal Problem // [Math Minute 67]

I got this one wrong! How many gifts are there in the 12 Days of Christmas?

Nice Little Linear Algebra Problem from a Fibonacci-esque Sequence

The Easiest Problem on the Hardest Test [2017 Putnam Competition A1]

Linear Programming: Optimizing with Inequalities [Art of Problem Solving Intro to Algebra 9.40]

A Most Unfair Test Question: Combining Sequence Notation and Log Notation in the Same Problem

Polynomial Hack: Identify a Polynomial from Just Two Inputs // #SoME2

DON'T Try This in Your Analysis Class: Wild Nested Series from @MichaelPennMath

Mental Math Tricks Are Hurting Your Understanding?

PrepTest 33 Game 2: The Canonical In and Out Game // Logic Games [#35] [LSAT Analytical Reasoning]

Can you solve the four kings' gold riddle? - Tim Ricchuiti

PrepTest 18 Game 3: Subway Line Mapping Game // Logic Games [#34] [LSAT Analytical Reasoning]

Where'd that block come from? Missing Block Area Optical Illusion

Amazing Circle Area Formula: Infinitely Many Tiny Triangles

e to the (i pi): the Most Intuitive Explanation // #SoME2 on Euler's Formula π

Using L'Hopital's Rule to find a Special Inverse Tangent Limit // Math Minute [#61]

Using L'Hopital's Rule to Find the e Limit // Math Minute [#60] [CALCULUS] [ANALYSIS]

Understanding Euler's Number e: Give a Dollar, Get a Dollar

Proving a Negative Times a Negative Is a Positive with the Distributive Property

PrepTest 88 Game 1: Order, In and Out Hybrid // Logic Games [#33] [LSAT Analytical Reasoning]

Domain Coloring the Real Number Line // #SoME2 [ALGEBRA] [ANALYSIS]

How Many Squares on an 8×8 Chessboard? [MATH CONTEST]