Description
Multiplicative comparison is foundational for understanding multiplication as scaling in Grade 5 and sets the stage for proportional reasoning in Grade 6. Students determine, using times as much as, the length of one side of a rectangle as compared to its width. Beginning this Grade 4 module with area and perimeter allows students to review their multiplication facts, apply them to new and interesting word problems, and develop a deeper understanding of the area model as a method for calculating with larger numbers.
Downloads
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Prerequisites
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3.MD.7.B,
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3.MD.8,
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3.MD.C.7.B,
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3.MD.D.8,
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3.NBT.2,
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3.NBT.3,
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3.NBT.A.2,
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3.NBT.A.3,
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3.OA.4,
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3.OA.5,
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3.OA.7,
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3.OA.A.4,
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3.OA.B.5,
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3.OA.C.7,
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4.NBT.1,
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4.NBT.5,
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4.NBT.A.1,
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4.NBT.B.5
Credits
From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 3, Topic A, Lesson 3.
Available from engageny.org/resource/grade-4-mathematics-module-3-topic-lesson-3; accessed 2015-05-29.
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