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# Area & Perimeter

Using different operations to solve measurement word problems on area and perimeter.

#### Mapped to CCSS Section# 3.MD.D.8, 3.MD.C.7b, 3.MD.C.5b, 3.MD.C.6, 3.MD.C.7d, 3.MD.C.5a, 3.MD.C.7a, 3.MD.C.7c

Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.,Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.,A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.,Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).,Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.,A square with side length 1 unit, called a unit square