Jeff Smith's Math Puzzle for July 3, 2026 – Enjoy the Fourth of July, America’s 250th birthday The post Math Puzzle for July ...

A fireworks display launches 40 fireworks in sequence. Each firework reaches a random height, independent of the height that ...

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 ...