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lesson 3
1 hour

Decompose Non-Unit Fractions


Description

Objective:  Decompose non-unit fractions and represent them as a whole number times a unit fraction using tape diagrams.

In Lesson 3, students see that representing a fraction as the repeated addition of a unit fraction is the same as multiplying that unit fraction by a whole number. By introducing multiplication as a record of the decomposition of a fraction early in the module, students are accustomed to the notation by the time they work with more complex problems in Topic G.

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From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 5, Topic A, Lesson 3. Available from engageny.org/resource/grade-4-mathematics-module-5-topic-lesson-3; accessed 2015-05-29.
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