If you’ve ever estimated how many people might attend a school event, how much candy to buy for a party, or how many miles are traveled on a road trip, ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...

In DeKalb County, Ala., elementary school math classes have gotten noisy. In a good way. Instead of worksheets and textbooks, children practice adding and subtracting with tiny toy bears. They ...