The bat-and-ball problem is a famous math puzzle that more than half of people—even Harvard graduates—get wrong. It's ...

Are you among the top 15% of brainiacs in the country who can solve this math problem? Brainteasers and puzzles are an excellent way to keep your mind as healthy as the rest of your body. They can ...

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 ...

Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.