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Perimeter, Area, and Circumference
Pi Scavenger Hunt Sheet

Name_____________________________________ Date________________

Pi Scavenger Hunt

  1. What is the CIRCUMFERENCE of a circle?
  2. What is the DIAMETER of a circle?
  3. What is PI the ratio of?
  4. Is PI a rational or irrational number? Explain why?
  5. What is PI to 30 decimal places?
  6. What value of PI did the Egyptians obtain 2000 years before Christ?
  7. What value of PI did the Babylonians obtain?
  8. Find your birthday in PI. Type in your date and record the location.
  9. In the year 1997, D. Takahasi and Y. Kanada calculated PI to 51,539,600,000 decimal places. What type of computer did they use? Where did they do their calculations?
  10. Which fraction is closest to the actual value of PI337/120 or 22/7 or355/113?
  11. What does it mean to "Square a Circle"?
  12. People once thought that trying to square a circle was an illness. What was the name of the illness?
  13. What is the symbol for pi? Who first used it and when? What Swiss mathematician was it popularized by?
  14. Who were the first people known to find a value of pi? When was it?
  15. In the first one million digits of pi, how many threes are there? How many nines?
  16. You can memorize PI by using things called "mnemonics." What is a "mnemonic"?
  17. What was the most inaccurate version of PI? Explain who, when, and what the value was (sentence form).
  18. Who memorized 42,195 digits of PI on February 18, 1995? Where was the person from?
  19. Travel to the web site There you will find part of the pi decimal. You are responsible for the following ten digits of the pi decimal ____________________________. Please copy down the digits so that you can complete the pi chain when we return to the classroom.

My pi digits______________________________________


Links for Pi Scavenger Hunt



(Math Glossaries)

(The Story of Pi)

(Planet Pi)

(Web Page Dedicated to Pi)

(On-line Dictionary)

(Birthday in Pi)


(Joy of Pi- Links to other pi sites)

(Good source for general pi information)

Adapted from Pi Day Scavenger Hunt (