Name_____________________________________ Date________________

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**Pi Scavenger Hunt

- What is the CIRCUMFERENCE of a circle?
- What is the DIAMETER of a circle?
- What is PI the ratio of?
- Is PI a rational or irrational number? Explain why?
- What is PI to 30 decimal places?
- What value of PI did the Egyptians obtain 2000 years before Christ?
- What value of PI did the Babylonians obtain?
- Find your birthday in PI. Type in your date and record the location.
- 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?
- Which fraction is closest to the actual value of PI337/120 or 22/7 or355/113?
- What does it mean to "Square a Circle"?
- People once thought that trying to square a circle was an illness. What was the name of the illness?
- What is the symbol for pi? Who first used it and when? What Swiss mathematician was it popularized by?
- Who were the first people known to find a value of pi? When was it?
- In the first one million digits of pi, how many threes are there? How many nines?
- You can memorize PI by using things called "mnemonics." What is a "mnemonic"?
- What was the most inaccurate version of PI? Explain who, when, and what the value was (sentence form).
- Who memorized 42,195 digits of PI on February 18, 1995? Where was the person from?
- Travel to the web site http://www.joyofpi.com/pi.htm 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______________________________________

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**Links for Pi Scavenger Hunt

(Math.com)

http://www.math.com/school/subject3/lessons/S3U1L6GL.html

(MathGoodies.com)

http://www.mathgoodies.com/lessons/vol2/cirlce_area.html

(Math Glossaries)

http://MathCentral.uregina.ca/RR/glossary/middle/

(The Story of Pi)

http://geocities.com/capecanaveral/lab/3550/pi.htm

(Planet Pi)

http://planetpi.8m.com

(Web Page Dedicated to Pi)

http://www.wpdpi.com

(On-line Dictionary)

http://www.dictionary.com

(Birthday in Pi)

http://www.façade.com/legacy/amiinpi/

(Joy of Pi- Links to other pi sites)

http://www.joyofpi.com/pilinks.htm

(Good source for general pi information)

http://www.ncsa.uiuc.edu/edu/RSE/RSEorange/buttons.html