Wrath of Math Courses

Viral Elementary School Math Question - Analyzing an Unsolvable Problem

Explore a viral elementary math puzzle about Dina's baking times that stumped teachers and sparked internet debate about ambiguous problem-solving.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Density of Rational Numbers in Real Numbers - Rudin's Proof Explained

Explore Walter Rudin's proof demonstrating that rational numbers are densely distributed within real numbers, using the Archimedean property from Baby Rudin's analysis text.

• YouTube
• 17 minutes
• On-Demand
• Free Video

It's Not 6 - Exploring Mathematical Possibilities in Number Sequence Riddles

Explore mathematical possibilities behind a viral riddle asking what number follows 1, 2, 3, 4, 5 when the obvious answer "6" is claimed to be wrong.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Second Grade Subtraction - Understanding Regrouping and Problem-Solving Methods

Master 2nd grade subtraction techniques including regrouping methods that might be trickier than you remember, helping parents assist their children with homework.

• YouTube
• 15 minutes
• On-Demand
• Free Video

The Most Unhinged Way to Solve Quadratic Equations

Discover an unconventional method for solving quadratic equations using continued fractions, exploring Bombelli's approximation and advanced algebraic techniques beyond traditional approaches.

• YouTube
• 23 minutes
• On-Demand
• Free Video

They Lied to You About the 3 Divisibility Rule

Uncover the hidden truth behind divisibility rules and learn how digit addition can work for any number, not just 3, using modular arithmetic principles.

• YouTube
• 19 minutes
• On-Demand
• Free Video

A Very Cute One Line Proof of the Infinitude of Primes

Discover an elegant one-line proof demonstrating the infinitude of prime numbers using products and the sine function in just 13 minutes.

• YouTube
• 13 minutes
• On-Demand
• Free Video

None of the Answers Can Be Right - Perpendicular Lines Key Features Problem

Explore a puzzling math problem about perpendicular lines where none of the multiple choice answers seem correct, uncovering why context matters in geometry.

• YouTube
• 13 minutes
• On-Demand
• Free Video

Unique Solutions and the Basis Representation Theorem in Number Theory

Explore a viral math meme where a father rejects his son's creative solution, diving into number theory and the Basis Representation Theorem to prove uniqueness.

• YouTube
• 11 minutes
• On-Demand
• Free Video

His Homework's a Crazy Hard 100 Year Old Puzzle - Mrs. Perkin's Quilt Problem

Uncover the fascinating history behind Mrs. Perkin's Quilt, a century-old mathematical puzzle that connects primary school homework to advanced research in squaring problems.

• YouTube
• 18 minutes
• On-Demand
• Free Video

Can the Average Person Really Not Solve This? - Simplifying Radicals Problem

Master radical simplification through a viral math problem that supposedly stumps most people, plus learn to create similar challenges yourself.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Hooper's Square from Nowhere Paradox

Explore the fascinating 1774 Hooper's paradox where an 8x8 square transforms into 65 units, revealing the mathematical illusion behind vanishing square puzzles using Fibonacci sequences.

• YouTube
• 12 minutes
• On-Demand
• Free Video

Eulerian Trails and Graph Theory - How Impossible is the Drawing Challenge?

Explore why certain drawing challenges are mathematically impossible using Eulerian graph theory and prove theorems that quantify the impossibility of these viral puzzles.

• YouTube
• 19 minutes
• On-Demand
• Free Video

Hilarious Math Problem Baffles Parent - The Off-by-One Error

Explore a seemingly simple second grade addition problem that reveals the famous "off by one" error, connecting elementary math to historical mathematical concepts.

• YouTube
• 14 minutes
• On-Demand
• Free Video

The Missing Dollar Riddle - Classic Math Puzzle Explained

Uncover the classic missing dollar riddle's deceptive logic and learn why this famous math puzzle tricks so many people into making a fatal accounting error.

• YouTube
• 13 minutes
• On-Demand
• Free Video