Area and Perimeter

4. MD.3 Develop efficient strategies to determine the area and perimeter of rectangles in real-world situations and mathematical problems. For example, given the total area and one side length of a rectangle, solve for the unknown factor, and given two adjacent side lengths of a rectangle, find the perimeter.

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Area

Mrs. Mager explaining how to get the area of a rectangle.

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Perimeter

Mrs. Mager explaining how to get the perimeter of a rectangle.