(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, educational fun. Math riddles and puzzles come in plenty of different varieties.

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.

Show puzzle solution The commuter has walked for 55 minutes before his wife picks him up. Because they arrive home 10 minutes earlier than usual, this means that his wife has chopped 10 minutes ...

The reversal could actually have a beneficial effect on Earth. The sun is on the verge of a significant event: a magnetic field reversal. The sun undergoes such a reversal every 11 years ...

A solution proposed by a team of scientists at the North Carolina State University is a metamaterial that can change shape in response to magnetic fields. This material had to be easily deformable ...

(Credit: Yanik Chauvin/Shutterstock) The north magnetic pole, located closer to Canada a century ago, is now on its way toward Siberia. Right on time for the surge of holiday travel, a new iteration ...

Earth’s magnetic North Pole is shifting from Canada to Siberia due to changes in the flow of molten iron and nickel in the outer core. This movement has accelerated in recent years, impacting ...

This puzzle has sparked discussions, with netizens sharing their answers and reasoning. It's a great opportunity for math enthusiasts to flex their problem-solving skills. This isn’t the first ...