Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.

One simple rule can help solve any complex equation. Here's a hint: all it takes is a catchy acronym.

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 ...

The designers for Monte Vista Elementary School’s proposed outdoor classroom had some key questions to answer: What materials could they use while staying under the district’s $10,000 budget? How much ...