Math Riddles: This is a Magic Square. Only 1% of people with a high IQ can find the missing numbers in this tricky logic magic square puzzles in 20 seconds.

What is Pi Day, and why do we celebrate it every March 14? Here's what to know as math lovers around the world mark Pi Day.

Identifying and supporting students early on can pay big dividends later. But math intervention differs from reading, researchers say.