Match word problems, visual models, and expressions & equations. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One Doesn't Belong to ...

Try your hand at these tricky visual puzzles and give your brain a boost!

Mathematical patterns reveal profound truths about the universe and, surprisingly, about our inner lives as well. These five visual math concepts offer unique frameworks for understanding our behavior ...

These student-constructed problems foster collaboration, communication, and a sense of ownership over learning.

Richard Rusczyk, founder of Art of Problem Solving, has a vision for bringing “joyous, beautiful math” — and problem-solving — to classrooms everywhere. When Richard Rusczyk became interested in math ...