Nice Math Problems

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My name is Russell Lim. I teach high school mathematics in Melbourne, Australia. Subscribe if you enjoy ✨nice✨ mathematics problems! Many of these problems a...

Latest Videos

Nice Hexagon Problem - University of Melbourne Maths Competition

Nice Number Theory - Melbourne University Maths Competition 2024

Nice Problem from the Melbourne Uni School Maths Competition (Junior 2025)

🔥KILLER Korean Calculus Question! ✨(CSAT 2026 Q30)

China 9th Grade Exam Problem - Too Hard For Me! 😅

Equilateral Triangles in a Rectangle (AMC 2025)

This Sum Simplifies So Nicely! 🥰

Beijing High School Math - Prove (3,4)-Knight's Tour is Impossible!

IMO 2025 P4 - Classic Number Theory with a Surprising Solution!

IMO 2025 Problem 1 - Sunny and Beautiful! 🌞💖

IMO 2025 - Will AI Finally Win Gold 🥇

Gaokao 2025 - Ping Pong Probability Challenge! 🏓

This Graph Theory Problem has a Clever Solution You Wouldn't Expect ✨

Beautifully Simple Number Theory Problem (INMO 2025)

Can These Cubics Have Integer Roots Only (Indian Math Olympiad)

Beautiful Korean High School Exam Problem - Collatz Style Sequence!

Nice System of Equations from American Math Competition (2024 AMC10A)

Overlapping Rectangles Problem - How Many Squares CAN'T You Cover

Can You Find Integer Solutions (Intermediate Math Olympiad)

AMAZING Indian Math - Why π4 = 1 - 13 + 15 - 17 + ...

Simple Sequence Stumps the World's Best! (IMO 2024 Problem 3)

IMO 2024 Problem 1 (Explain it Like I'm 12)

Yes Gao Kao Math is HARD! 🤯

When 3 Right Triangles Form a Pyramid...

What Happens When These 8 Planes Slice a Cube 🤔

#desmos animation - spinning stars ✨

An Ambiguous Clock (or is it 😉) #math #amc

Nice Factorial Equation - Can You Solve It

Calculating sin(π5) Using a Regular Pentagon

The Golden Ratio Appears ... But WHY 🧐