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Let your students decide if the BIG one is a fair deal. Click on the pic to enlarge and post on the wall. Have kids pick a sandwich. Which size will they get? Which size offers the most value? Make a guess, then do the math...
The activity: PotBelly.pdf
CCSS: 7.RP.2, 7.RP.3, 7.EE.3
For members we have an editable Word docx and solutions.