How many pennies can you save in a lifetime? One individual knows the answer! A video presentation of a question asks scholars to determine how many pennies a bank customer has saved since he was a teenager. They know the total weight of the pennies and use that information to figure out how much the pennies are worth.

Concepts

ratios, proportions

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Additional Tags

math

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Instructional Ideas

• Bring in a sample of pennies for pupils use to determine the weight of one penny on their own
• Incorporate as a performance task assessment during a unit on proportions

Classroom Considerations

• Expects previous experience with using proportions to solve problems

Pros

• Includes a video recording of the solution
• Provides all necessary information for finding an answer

Cons

• None

Common Core

6.RP.A.3.d 7.RP.A.1 7.RP.A.2.a 7.RP.A.3 MP1 MP4 MP6