Discovering Pi

This Discovering Pi activity & project also includes:

We are all familiar with the little symbol π, but where does pi come from? Introduce pi to your learners as more than just a number, but a relationship between circumference and diameter. Allow your class to measure different circular shapes available to produce a number similar to pi based on the ratio of circumference and diameter. The activity provides solution options and follow-up questions to use after the activity.

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CCSS: Designed

  • Introduces the idea that pi is a relationship versus just a symbol

  • Does not mention materials needed to measure; you'll need to provide measuring tape, string, or other materials for the activity
Common Core