# Fun Math Facts to Make Your Kid Smile

1. The ancient Egyptians created the first counting system using pebbles and knots.

2. The world's biggest triangle has 17,576 sides.

3. You can draw a perfect square with only one curve!

4. The number "pi" (3.14) is the same upside down.

5. The number zero was invented by an Indian mathematician called Brahmagupta.

6. You can make a triangle out of three sticks that each measure one inch long.

7. The oldest known mathematical object is a 35,000-year-old baboon bone!

8. Did you know that the number 8 is the only number that is equal to the sum of its own digits?

9. The most mathematically interesting number is 1729, because it can be written as the sum of two cubes in two different ways!

10. If you put two fingers on each hand together, you can make a total of 10 different shapes.