Draw four lines beginning and ending at the gray points to break this square into pieces that can be rearranged into five identical squares. Bonus: Suppose you can use any number of lines that begin ...

Divide this figure into three parts that can be arranged into a square. The parts must not be folded over to make their current back the front, they must not overlap, and there must not be any gaps in ...

For over a century, a simple yet tricky math problem had continued to baffle experts. Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange ...

Jeff Smith's Math Puzzle for January 16, 2026 - A red rope is coerced into forming a sine wave. The post Math Puzzle for ...

Below is a five-by-five chess board with the central square poked out. Place a knight, bishop, rook or queen in the upper-left corner and find a path that ends at the bottom-right corner that visits ...

Sayonara, Sudoku. For a better-rounded puzzle that includes not just logic, but math, too, try KenKen. It's probably even good for you. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...