5, Lesson 11, Unit 1, Grade 6, OpenUp icon
Instructional Activity

Pinwheel

Lesson 11. Unit 1. Grade 6 Open Up Resources

Open Up Resources30 min(s)

This Instructional Activity is a part of the Lesson 11, Unit 1, Grade 6. In this activity, students determine the area of an unfamiliar polygon and think about various ways for doing so. The task prepares students to find the areas of other unfamiliar shapes in real-world contexts. It also reinforces the practice of sense-making, planning, and persevering when solving a problem. Students reason independently before discussing and recording their strategies in groups. Because the shape of the polygon is more complex than what students may have seen so far, expect students to experiment with one or more strategies.

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