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lesson 35
1 hour

Represent The Multiplication Of "N"


Description

Objective:  Represent the multiplication of n times a/b as (n × a)/b using the associative property and visual models.

Topic G extends the concept of representing repeated addition as multiplication, applying this familiar concept to work with fractions. Multiplying a whole number times a fraction was introduced in Topic A as students learned to decompose fractions. In Lessons 35 and 36, students use the associative property, as exemplified below, to multiply a whole number times a mixed number.

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From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 5, Topic G, Lesson 35. Available from engageny.org/resource/grade-4-mathematics-module-5-topic-g-lesson-35; accessed 2015-05-29.
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