Shhh! Don't tell them that they're finding pi. Let them discover this special number themselves.
This one-page printable sheet asks students to measure the circumference and diameter of ten circular items, record, then divide the circumference by the diameter. After calculating the average, students record how many times greater the circumference of a circle is than its diameter.
Finally, it's time to disclose the name of this special number: pi!
Enjoy this freebie as a kick-off for your Pi Day celebration, or as a stand-alone activity.
Looking for more fun and educational pi activities? Try creating a giant pi timeline
in your classroom!
For weekly ideas, activities, links, and freebies, check out my blog, Enjoy Teaching