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Pi day is celebrated in math classrooms each year on March 14th 

(3-14, get it??!?!?)

Pi Links        2008 Pi Day Handout (word) or (pdf)

Students participated in special PI Day activities, celebrated the day by singing PI Day songs, and (of course) the traditional  eating of the pies. 

• Pre-Calculus

• Geometry

• Algebra I

• Trigonometry

• Algebra 1/2

• Algebra II

• Pie ARE Squared!

• Send a Pi Day Card

The "Joy of Pi" website will tell you everything you ever wanted to know about pi.  Check out the "pi facts and figures" link, and the 10,000 digits of pi page. 

Investigate the Pi Across America website for even more interesting pi activities!

Easy as Pi math link for fun Pi Day Activities

More Pi links:
Pi Dye is the place to order the great pi cookie cutter, as well as many cool pi t-shirts
MEGSL Pi Page
Teachpi.org
Find yourself in pi
Pi and the Fibonacci Numbers
How to Calculate p to 1 million digits on a Personal Computer
The mathematics of Pi
Pi Across America
Fun Pi links from "superteacherworksheets"   song   activity   worksheet

A guide to understanding pi from Bar Codes Inc.

The Pi Pages:  find out more than you ever wanted to know about pi!

Pre-calc class participated in a game of  "Circle Nim."

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Geo-gories:  Circular Items Pop can Diameter Radius Pi Tire Area Sphere Garbage can Coffee mug Doorknob Straw Hourglass Earrings Can Pencil sharpener holes Fire extinguisher Cup Cylinder Spiral notebook holes Railroad crossing sign Center court line Earth Saturn’s rings Moon The number zero Toilet seat Grapefruit Clock Radio knob Button Shoe eyelet holes Pail Bb Donuts Cooking pot Pinhead Furniture feet Glasses lens Balloons Eyeballs Hula hoop Cookie tin Oreos Necklace Bracelet Watch face Hair ties Cake Pizza Reese’s pieces Planet Sun Fan Chapstick Lipstick Penny Jar Cookie Ferris wheel Plates Bowls Jar Tin can Circumference Round Pie graphs Oranges Baseball Ball The letter "O" Marble Globe Apple Pie Lapel pin Notebook paper hole Carmex jar Coins M & M’s Skittles Diamond ring

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Algebra I measured circular objects to calculate an experimental value for pi.

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Trigonometry students played Jeopardy-style "Name that Circle!", pin  the radius on the circle and a game of "Ring-Fling."

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Pre-algebra students constructed frequency distributions of the digits in pi.

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Algebra II class measured circular objects to calculate an experimental best-fit line for the circumference/diameter relationship.  The relationship was found to be  C = 3.13 D - 0.01   (with a correlation coefficient > 0.999)

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Of course, students also consumed apple pie.  (Pie ARE squared!)

Make plans to celebrate the circle on PI Day 2008!

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 Email: cindy.kroon@k12.sd.us    K12 Data Center      DDN   SD Mathematics Content Standards   Common Core Standards (CCSSM)