Don't spill the beans ... before the end of the lesson! Learners must predict how long it takes two people working together to fill a glass with beans. A video presents the rate it takes each person independently, and another video presents the answer once your class is ready to check their responses.

Concepts

creating equations, writing equations, ratios, unit rates, problem solving strategies

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Additional Tags

math

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Instructional Ideas

• Allow pupils to work in collaborative groups to develop a strategy to find a solution
• Have groups present their solutions and methods to the class

Classroom Considerations

• Expects an understanding of speed rates

Pros

• Provides an option to download the video to play while offline
• Offers ideas to expand and/or extend the lesson

Cons

• None

Common Core

8.EE.C.7.b MP4