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 ...

Fluency in third grade means knowing, from memory, all products of two one-digit numbers. Your child’s introduction to multiplication is through repeated addition. He will draw an array to visualize, ...

A set of guidelines adopted by 45 states this year may turn children into "little mathematicians" who don't know how to do actual math. A few weeks ago, I wrote an article for TheAtlantic.com ...