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 ...

At the start of a YouTube video titled “Art of Problem Solving: Least Common Multiple,” Richard Rusczyk invites viewers to play a game. Every twenty-four seconds, we’re supposed to clap; every ...

Rick, I thought your recent interview with Andrew Coulson of ST Math was a fascinating look at how educational products—particularly those that address math—are promoted. In the interview, Coulson ...