TeachPi.org | A Teacher’s Complete Pi Day Resource

Happy Pi Day, March 14^th! Welcome to TeachPi.org, the first and best place on the Web for teachers who want to find or share ideas for Pi Day activities, learning, and entertainment. We believe that promoting an enthusiasm for learning, through celebration and creativity, will lead only to a richer classroom environment and a deeper appreciation of mathematics. read more...	NEW SONG! “Loving Pi” Now Available on iTunes!
		Best on the Web: Pi Day Tattoos
	And you didn't miss the now-famous Pi Rap!

     Find the fair-share size of each slice of pie...
                               more lessons

Hold an instant memory challenge... more fun with digits

The Pi Rap:
Origins & Video Tributes

Five years after the rap's creation, we reveal the odd story behind its premiere, and a high school shares an impressive music video tribute.

more stories

Rudolph = Ludolph...

   and to the tune of Silver Bells...

Random digits,
Endless digits
Transcendental in style,
In the air there's a feeling of Pi Day...
                          more carol lyrics

* Pi Chain Rankings (by popular request)
* Photos of record pi chains & students
* Pi Day quotes from kids & teachers

And Coming Soon...

* A brief history of the people in Pi

The best places on the Web to...

* look up your phone number in the digits
* find math tattoos for your students
* play with the sounds and colors of pi
* find a Pi Day prize poster (see below)

You don't own any books about pi?

We have a whole shelf of them.

Learn about our favorites...