Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

Test your problem-solving skills with these 62 lateral thinking puzzles. They’ll challenge you to think out of the box to ...

A new math puzzle designed to challenge readers of all ages is coming to the Daily Press. David Genter, a puzzle developer ...

Calculating Frosty’s weight with fragments of high school geometry. The post Math Puzzle for December 26, 2025 appeared first on Alameda Post.

Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...