this is nuts... the husband and I are disagreeing on how to workt his out for the kiddo. How would you work out this problem? Obviously we know she spent 10 dollars, but we cannot agree on how to come ...

Here's the thing about math that nobody tells you: it's less about memorizing formulas and more about knowing which tools to reach for. By fourteen, students should have a problem-solving toolkit that ...

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 ...