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 ...

Every now and again, homework takes social media by storm. Sometimes it’s a young child’s vexing assignment, or a classic brain teaser. But the problem above that’s stirred such debate is really just ...

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 ...

To solve basic math operations — and more complicated ones down the road — kids need problem-solving skills and number sense. Number sense is the ability to understand what numbers mean, how they ...