As you raise your preschooler, you will also naturally talk about ideas like inside and outside, left and right, middle, above and below, and top and bottom. You may help her notice what is the same ...

In Dan Goldfield’s high school math class, students don’t learn about large numbers by staring at a whiteboard and copying zeros. They go to a beach and count grains of sand. “Some of them start by ...

The new question-of-the-week is: What has been the best math lesson you have taught and why do you think it was so good? We’ve all taught some great lessons and we’ve also all taught some pretty bad ...

Elections are all about numbers, sometimes hinging on miniscule percentage-point differences in turnouts. Math teacher Alison Strole’s middle school students know this better than your average ...

Math isn’t just about numbers—it’s also about patterns and shapes. One of my favorite shapes is the Möbius strip, a mind-warping surface with only one side. It’s simple to make one: Just take a strip ...