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 ...

Examining mistakes gives students a chance to discuss misconceptions openly and find new approaches to solving problems.

You may draw examples from Miguel Secillano, Terence Tao, or even from Shakuntala Devi, all you want – but if getting your ...