Did you know there are more ways to shuffle a deck of cards than there are atoms in the universe? Seems crazy, but it's true.

Almost five years have passed since COVID-19 first disrupted America's schools, and new data, known as the Nation's Report Card, offers cause for hope — and concern. The good news: In math, many ...

In math, 24 percent of fourth graders and 39 percent of eighth graders cannot reach the lowest of three achievement levels, called “basic.” (The others are “proficient” and “advanced.”) These are ...

Flex your math muscles with this weekend’s brain teaser. Play now. Skip to main content. ... Jovan built these five houses of cards using a total of exactly 90 playing cards.