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lesson 39
1 hour

Multiplicative Comparison Involving Fractions


Objective:  Solve multiplicative comparison word problems involving fractions.

In Lesson 39, students build their problem-solving skills by solving multiplicative comparison word problems involving mixed numbers, e.g., “Jennifer bought 3 times as much meat on Saturday as she did on Monday. If she bought 1 1/2 pounds on Monday, what is the total amount of meat bought for the two days?” They create and use tape diagrams to represent these problems before using various strategies to solve them numerically.


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From of the New York State Education Department. Grade 4 Mathematics Module 5, Topic G, Lesson 39. Available from; accessed 2015-05-29.
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