1. Pi is named after a letter of which alphabet? **Greek**

2. On the Simpsons, what type of pie lures Homer into a rope trap? **Floor pie**

3. Who was the first group of people to find a value for Pi? **Babylonians**

4. Pi has been solved. **False**

5. Pi Day is celebrated on March 14. (which was chosen because it resembles 3.14) What time does the official celebration begin? **1:59 PM**

6. People tried for centuries to "square the circle". What were they trying to do? **Construct a square of equal area to a given circle**

7. Which of these is the "formal" definition of Pi? **The ratio of a circle's circumference to its diameter**

8. What famous scientist was born on Pi Day in 1879? **Einstein**

9. Which digit is completely missing from the first 30 places of Pi's decimal expansion? **0**

10. How many digits are there in Pi? **Infinite**

11. Who had the digits of Pi engraved on his tombstone? **Ludolph van Ceulen**

12. What is the value of Pi? **3.14**

13. Pi is best described as what type of number? **Irrational number**

14. Which mathematician created an algorithm for calculating Pi in around 250 BC? **Archimedes **

15. Where does the letter Pi appear in the Greek alphabet? **16th letter**

16. Who was the first person to give the letter “Pi” its current mathematical definition in 1706? **William Jones **

17. What are the first 8 digits of Pi? **3.1415926**

18. If you multiply Pi by the square of the radius of a circle, what do you get? **The circle's area**

19. Who adopted π as the symbol for Pi? **Euler**

20. In the book Life of Pi, what is Pi short for? **Piscine**

21. Which of these fractions is closest to Pi? **22/7**

22. Calculate: 3π. **9.42**

23. The symbol for Pi was introduced in the last ______ years. **300**

24. Lu Chao of China set a world record by memorizing the most digits of Pi. How many digits did he memorize? **67,890**

25. How many hours did it take a supercomputer to calculate Pi to 51.5 billion digits in 1997? **29**

26. Pi to 3 decimal places is 3.141. What digit comes next? **5**

27. Which of the following is NOT a nickname given to Pi? **Rudolph's Constant**