We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

To learn math, students must build a mental toolbox of facts and procedures needed for different problems. But students who can recall these foundational facts in isolation often struggle to use them ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...