Above is from Grade 1; below is from Grade 2

Rules of the Contest (next one is Monday 3/14/11)

• There will be one winner in each grade, from first grade to eighth grade
• To win the contest, you must remember more places of PI than anyone else in your grade (Mr. Bergen)
• I will bake you a PIE if you win. You can choose blueberry or strawberry or apple or or vanilla or chocolate!
• Click here to listen to a song called Interval Circumference by an incredibly talented math and music high school student named David Kalinoski from Harrisburg PA who created the lyrics using Snoop Dogg's Sensual Seduction for his own class project prior to 3/14/08; click here for the permission agreement. Much thanks to Natalie Jenkins (David's cousin) who is a colleague of the parent of the girl in grade one who won the pie contest on 3/14/08.
• Those students who won a pie on 3/14/08 can compete for the contest but cannot win the pie!
• Click here to read about John Tierny from the NY Times who is sponsoring a national contest to win a pie on PI day!
• Click here for the celebration at Washington State University.
• Click here to find your birthday in PI.
• Click here to find your name in PI using codes
• Click here for more PI links (Mr. Bergen).
• Click here for the 2009 PI handout
• Click here for the handout in DOC format
• Click here for the small PIE challenge
• Click here for the big PIE picture
• Click here for the 11 pies baked the night before 3/14/11 (SBergen)
• Click here for the PI explanation picture
• PI Graphics: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
• PI Facts
  • PI is a number between 3 and 4
  • PI was known to the Greeks thousands of years ago
  • PI is mentioned in the Bible
  • PI is what you get when you divide the circumference by the diameter of any circle
  • PI begins with 3.14 but it is NOT equal to 3.14
  • PI is approximately 22/7 but it is NOT equal to 22/7
  • PI is a non-repeating decimal which means that it is INFINITE and never repeats
  • Almost everyone's birthday is contained in PI somewhere
  • This Web site contains interesting facts about PI
  • Two third graders practice ... click and click
  • Two second graders practice ... click
  • The PI Song video with pies for each grades from 1 to 8 (2009) ... click
  • Thursday morning baking ... click
  • Students at Lincoln School in RI ("Storefront has a grade 6 wiki with them") had their own PI contest this year ... click here for the link from Ms. Hunt
  • Daniell Tammet can recite 22,500+ digits of pi in about 5 hours ... click here for an interview with David Letterman ... so interesting how he visualizes numbers in colors (contributed by Dafna Sarnoff, a former student of mine ... Mr. Bergen
  • Special thanks to Bob from Zabar's on 91st Street (Vinegar Factory) who ... Bob has been very nice to me in giving me PIE boxes so that I can give them to the boys and girls who win the contest ... thanks Bob!
  • Great collection of PI songs and PI music at www.squidoo.com/PiDay
  • Unique facts about PI ... click here
  • Some very clever PIES from PI DAY 2010 ... click
  • Another group of PI PIES ... click here
  • CNN PI DAY article 2010 ... click

Excel Problems with PI

• Use Excel to calculate how good these fractions are for approximating PI as 25/8 or 22/7 or 335/113 or 104348/33215
• Use the function =PI() on Excel to see how many places it is accurate
• Use Excel to solve the belt around the earth problem given the fact the circumference of the Earth is 24,900 miles
• Use Excel to make a list of rational and irrational numbers and talk about sizes of infinity
• Use EXCEL to figure out how many places of PI you could recite if you lived 100 years and said 1 digit a second