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4.MD.A.3

# Standard Description of 4.MD.A.3: Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

## Standards preceding 4.MD.A.3 are 3.MD.C.7, 3.MD.C.7.b, 3.MD.D.8, 3.OA.A.4. Standards that are taught after students master 4.MD.A.3 are 5.MD.C.5, 5.MD.C.5.a. The Lumos Coherence map for 4.MD.A.3 includes standards correlations, description and a list of apps, questions, videos, books and other resources related to 4.MD.A.3

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4.MD.A.3

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# Standard Description of 4.MD.A.3: Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

## Standards preceding 4.MD.A.3 are 3.MD.C.7, 3.MD.C.7.b, 3.MD.D.8, 3.OA.A.4. Standards that are taught after students master 4.MD.A.3 are 5.MD.C.5, 5.MD.C.5.a. The Lumos Coherence map for 4.MD.A.3 includes standards correlations, description and a list of apps, questions, videos, books and other resources related to 4.MD.A.3

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