Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

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 ...

Multiply Any Number by 11 in Seconds: Having the appropriate strategies may make math enjoyable and simple! One subject in which students frequently struggle is multiplication, particularly when ...