Pi Day is celebrated on March 14 in honor of the never-ending value of pi (3.1415926) The renowned museum, Exploratorium, presents a history of Pi and offers links to Pi-related activities.

The overriding purpose of the lesson is to actively engage middle schoolers in learning activities that promote opportunities for students to discover the 'meaning' of pi. Activities will include research, hands-on, software...

Explore what the relationship the radius has to the area of a circle. Click the instructions to learn how to use this interactive resource and select"Exploration" for more ideas.