5, Lesson 2, Unit 3, Grade 7, OpenUp icon
Instructional Activity

Measuring Circles

Lesson 2. Unit 3. Grade 7 Open Up Resources

Open Up Resources5 min(s)

This Instructional Activity is a part of the Lesson 2, Unit 3, Grade 7. The purpose of this activity is to continue developing the idea that we can measure different attributes of a circle and to practice using the terms diameter, radius, and circumference. Students reason about these attributes when three different-sized circles are described as "measuring 24 inches" and realize that the 24 inches must measure a different attribute of each of the circles. Describing specifically which part of a circle is being measured is an opportunity for students to attend to precision.

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