Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of ...

Tricky Math Puzzles for School Students: Our body needs regular exercise and good food to stay healthy. Our brain needs stimulation to function at its best. The human mind is a complex organ that is ...

A math puzzle is a problem or challenge that requires mathematical thinking and problem-solving skills to find a solution. These puzzles can take various forms and often involve numerical calculations ...

Approach this like a math puzzle —strategically and methodically. With each row containing six triangles, and a systematic count (from left to right and top to bottom), most people on the internet ...

The following is adapted from the introduction to “The Riddler: Fantastic Puzzles from FiveThirtyEight,” published by W. W. Norton & Co. It is in stores today! The world’s oldest collection of math ...

It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...