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Shhh! Don't tell them that they're finding pi. Let them discover this special number themselves. Kids love measuring circles in this Pi Day activity.
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!
Enjoy this Pi Day activity!
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Read more about 3 Fun and Instructive Activities for Kids.