The puzzles were to engage elementary students and included esti-mysteries, an activity based on the newest math course.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

GameSpot may get a commission from retail offers. Just one extra dimension adds a whole bunch of complexity. The original Picross was released for the Nintendo DS in 2007, and even though it had a ...

Are you an expert puzzle solver? Test your IQ and problem-solving skills by solving this viral math puzzle in 3 seconds. Only 3% with an IQ of 140+ can do so! IQ tests present readers with picture ...