10+ Pi Day activities and Facts (You Need To Know)

Happy Pi (π) Day. Here are a few Fun Activities and Facts about pi and Pi Day that would be fun to share with kids on this great Math holiday:

1: It took 1,000 years to prove pi irrational.

2: The first people to refer to the ratio between the diameter and circumference of a circle were the Ancient Egyptians.

3: “I prefer pi” is a palindrome.

4: Albert Einstein was born on Pi Day, 1879.

5: 22/7 is sometimes used to estimate pi.

6: The first major Pi Day celebration was in 1988.

7: Pi has been calculated past the two quadrillionth digit.

8: P and pi are both the 16th letters in their alphabets.

9: You can likely find your phone number in pi. Here’s the site that searches for it: http://angio.net/pi/. I found mine!

10: And the one that completely blows my mind: 3.14 backwards is PIE!

Hope you like these activities and facts.