Activity: Proving Pi

Proving Pi


Students have an opportunity to discover the constant pi by measuring the circumference and diameter of several wheels.

Featured Trade: Automotive Service Technician

Contributors: Brian Sorenson and Joelle Reynolds

Concepts: Circumference, constants, pi

Grade(s): 7

Time: 20 minutes

Curriculum Outcomes

General Outcome: Use direct and indirect measurement to solve problems.

Specific Outcomes

  1. Demonstrate an understanding of circles by:
    • describing the relationships among radius, diameter and circumference
    • relating circumference to pi
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