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

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games quickly reappear on kitchen tables. Games provide opportunities for learning ...

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

I like sudoku as much as anyone, but a change of pace might be nice occasionally. Enter Sweet 16, a new math puzzle game. As the name suggests it involves the numbers 1 through 16, and it's a bit like ...

Jeff Smith's Math Puzzle for June 26, 2026 – Claymation plays rough, morphs into solid geometry quiz. The post Math Puzzle ...

The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

A University of Huddersfield lecturer has puzzled the world. Ed Southall already had a big following for the maths posers that he posts online and publishes in book form. But his latest conundrum has ...