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 ...

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

Nathan Katcher memorized the design of the flags of 65 different countries. He taught himself how to play the piano using an app. He has five different versions of Monopoly and knows exactly how much ...