Developing Proportional Reasoning

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Developing Proportional Reasoning

This multimedia overview offers an introduction to students’ development of proportional thinking and its relationship to cross-multiplication. It describes recommended instructional strategies for solving problems related to ratio, rate, and proportion, including buildup and unit ratio strategies, and illustrates examples of real-world context for such problems. This recommended practice contains three tools to support the teaching and learning of ratio, rate, and proportion.

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Topics

Fractions > Ratio, Rate, Proportion > Overview & Tools

Grade Level

Intermediate (4-6), Middle School (6-8), Primary (K-3)

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