When your project for the day is painting a room, you probably don’t reach for a calculator. And if any math does come up, it’s likely the stuff you’ve known since grade school: Estimate the area of ...

Today is Cinco de Mayo. And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who ...

Introducing new math concepts via already-worked examples can give students a significant boost in learning. But choosing the right problems makes a big difference. An analysis earlier this year of ...