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Common Core Teaching Resources


Grade 4 > Standards for Mathematical Practice > Measurement & Data > Solve problems involving measurement and conversion of measurements > CCSS.MATH.CONTENT.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.

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