Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

But primes are often considered the building blocks of mathematics, and math itself is the scaffolding that supports ...

You can adapt the curriculum you have to create rich tasks that invite reasoning and build students’ problem-solving skills.

Surprisingly, some of the universe's brightest objects are black holes. As scorching gas and dust flow around and into a ...