5, Lesson 16, Unit 5, Grade 8, OpenUp icon
Instructional Activity

Popcorn Deals

Lesson 16. Unit 5. Grade 8 Open Up Resources

Open Up Resources10 min(s)

This Instructional Activity is a part of the Lesson 16, Unit 5, Grade 8. The purpose of this activity is for students to reason about the volume of popcorn that a cone- and cylinder-shaped popcorn cup holds and the price they pay for it. Students start by picking the popcorn container they would buy (without doing any calculations) and then work with a partner to answer the question of which container is a better value. This activity is designed for the discussion to happen around a few different concepts: The volume is a lower estimate because there is still some popcorn coming out the top of the containers.

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