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Saving Money Using Proportional Reasoning

Jessica A. de la Cruz and Sandra Garney
Mathematics Teaching in the Middle School
Vol. 21, No. 9 (May 2016), pp. 552-561
DOI: 10.5951/mathteacmiddscho.21.9.0552
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Page Count: 10
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Saving Money Using Proportional Reasoning
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To get a better buy, students employ various strategies to compare grocery prices.

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