This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

Segue Institute for Learning teacher Cassandra Santiago introduces a lesson on word problems to her first graders one spring afternoon. Credit: Phillip Keith for The Hechinger Report The Hechinger ...

Meta's work made headlines and raised a possibility once considered pure fantasy: that AI could soon outperform the world's best mathematicians by cracking math's marquee "unsolvable" problems en ...