A simple math problem sparked heated debate on Chinese education forums two years ago.

Yes, you read that headline correctly. Duolingo, the language learning app famous for the owl that haunts my dreams every night, now has a companion app to teach you (and children — but mostly you, ...

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 ...

When President Ronald Reagan proclaimed the first National Math Awareness Week in April 1986, one of the problems he cited was that too few students were devoted to the study of math. “Despite the ...