Discovering Pi Using SRA Real Math by Willoughby, Bereiter, Hilton, and Rubinstein

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Theme:

Circumference and Area

Grades:

6 - 8

Subject:

Math

Duration:

40–50 minutes

Standards
& Goals:

4.1. Number and Numerical Operations-number sense, numerical operations and estimation.
4.2. Geometry and Measurement-units of measurement and measuring geometric objects.
4.3. Patterns and Algebra-functions and relationships.

Note that standards in this lesson plan are for example only. This lesson can be easily adapted to meet your state's specific standards.

Objectives:

Students will:

  • Discover the relationship between the diameter and circumference of a circle (pi).
  • Discover the formula for finding the area of a circle.
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student writing on chalkboard
student writing on chalkboard

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