Every mathematician has a story that goes something like this. You’re at a party, and someone asks what you do for a living. “I’m a mathematician,” you say. “You must be a genius!” they reply. Or ...

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 ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.