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

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 ...

When one thinks of mathematics, the thought that comes to most peoples’ heads is solving an equation and getting a correct answer. That is the case with many mathematical theorems, including one of ...