On the Download
Seventh Grade Poster Problem
Expressions and Equations
When you download movies, games, or other items with a large amount of data to your phone, the download process may take a long time to finish. But how long, exactly? This problem uses cell phone download speeds as a context for setting up and solving linear equations. The mathematical goals are to solve equations for a specific value and to represent a delayed start time meaningfully.
Common Core State Standards for Mathematics:
The Lesson Plan:
Strategic Education Research Partnership
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Project funding provided by The William and Flora Hewlett Foundation and S.D. Bechtel Jr. Foundation
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