(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, ...

Show puzzle solution For simplicity, let’s assume that the small squares have a side length of 1. The figure consists of 25 small squares, so the full final square must have a side length of 5.

This math puzzle will test your intelligence and analytical thinking skills. Look at the image and study the pattern carefully. Hurry up; time is running out. There are only a few seconds remaining.

Experience math in a whole new way. We'll play fun and challenging problem-solving games and puzzles from around the world, including Ancient China and Egypt, Europe, Asia, Africa and the Americas. We ...