Jeff Smith's Math Puzzle for February 7, 2025 - A circle is trapped under a sine wave, someone call the rescue squad. The ...

But not long ago someone made the discovery that the North Pole is not the only starting point that satisfies the given ...

Unlike Roman, Maya or Iñupiaq numerals, this isn’t a total reimagining of numbers. Instead, it’s an uncanny parallel universe. Any number without zeros retains its old appearance (1,776 is still 1,776 ...

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

Let’s say that freshly harvested cucumbers can have a water content of up to 99 percent. (Never mind that the U.S. Department ...

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.

The classic sliding block puzzle. The 15-puzzle consists of a 4-by-4 grid with tile numbered $1$ to $15$ placed in the grid. The object of this puzzle is to randomly arrange the tiles on the grid, and ...

This puzzle consists of 20 numbered round pieces in one long looped track. You can slide all the pieces around the loop, or use the turntable in the loop (this is the purple circle which contains ...

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 ...

If you like emojis, and tough brain training puzzles, you better buckle up! As we have some good news for you. This page will be devoted to uploading tricky emoji math problems every Friday.