Here's an entertaining video about calculating Pi with real pies. The three minute and fourteen second video explains Pi and how it can be calculated.
Math Teaching Resources
Calculating Pi with Darts Pi can be calculated using a random sample of darts thrown at a square and circle target. The problem with this method lies in attempting to throw "randomly." We explored different ways to overcome our errors.
Throw frozen hot dogs and figure out how tossing hot dogs will get you pi. Pretty cool, hands on activity for pi day!
Calculating Pi 1.MP4
Calculating Pi with Pies. Happy Pi Day. I had two Key Lime mini pies myself in celebration.
I've gathered a list of Pi Day (Mar 14) resources here - activities, songs, calculating pi, resources.
teaching: pi day is march 14
Calculate Pi by Throwing Frozen Hot Dogs Step 7.jpg
Smaller Holidays - Groundhog's Day, Pi Day, etc
A great deal of time has been spent working out the facts about pi. At one point, the "facts" were wrong. And a mathematician caught the error by using something that, well, might also be wrong.
Maybe not for MY classroom (since I'm an English teacher): How to Calculate Pi by Throwing Frozen Hot Dogs
How to Calculate Pi by Throwing Frozen Hot Dogs (with Cheat Sheet)