Sudoku and other puzzles can incorporate play and critical thinking skills, while easing students into solving standard math ...

Four Cambridge math students in the 1930s wanted to know if you could fill a square with smaller squares, each a different ...

A red circle is inscribed inside a blue square. The arrangement leaves gaps in the square’s four corners, two of which are filled with smaller circles that just barely touch the big red circle and the ...

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 ...