A glance at the November issue of Notices of the American Mathematical Society: What do mathematicians do? Mathematicians often have difficulty describing what they do in a way that is accessible to ...

When you see “2 + 2 = 4”, what does “=” mean? It turns out that’s a complicated question, because mathematicians can’t agree on the definition of what makes two things equal. While this argument has ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...