It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

Math Horizons is intended primarily for undergraduates interested in mathematics. Our purpose is to introduce students to the world of mathematics outside the classroom. Thus, while we especially ...

Looking for gift for a friend. She's got a bunch of nice wooden geometric puzzles that are both fun to play with and look neat on display. I'm looking to get something in that kind of vein, but my ...