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# Math Curriculum

## Level DUnit: GeometryKey Lesson 7.3.4 Applying Circumference

Lesson topic: Circumference of a circle

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 7.G.4
• Learning goal: Apply understanding of circumference to calculate the perimeter of a shape that includes circular parts, and explain (orally and in writing) the solution method. Compare and contrast (orally) values for the same measurements that were calculated using different approximations for π. Explain (orally) how to calculate the radius, diameter, or circumference of a circle, given one of these three measurements.
• 7.3 Assessment and Practice Problems

## Related Lessons

### Review and Extend

Use these supplemental lessons if needed after teaching this key lesson.

Used with permission:

1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.