A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging ...

Emma R. Hasson is Scientific American’s Games ace and a Ph.D. candidate in mathematics at the City University of New York ...

You’re hosting a wedding at your home next summer, and the happy couple asked you to decorate the four gardens on the grounds ...

Jeff Smith's Math Puzzle for March 20, 2026 - Quadrilateral redux: Anything worth doing is worth doing to wretched excess.

"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 ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. It's Pi Day ...

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...