Washington Standards. The area of a figure is the space inside the figure. The perimeter of a polygon is the distance around it. The perimeter is the sum of the lengths of ALL the sides.

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Study GuideArea and Perimeter

Worksheet/Answer keysArea and Perimeter

Worksheet/Answer keysArea and Perimeter

Worksheet/Answer keysArea and Perimeter

Worksheet/Answer keysArea and Perimeter

WA.4.3. Core Content: Concept of area (Geometry/Measurement, Algebra) Students learn how to find the area of a rectangle as a basis for later work with areas of other geometric figures. They select appropriate units, tools, and strategies, including formulas, and use them to solve problems involving perimeter and area. Solving such problems helps students develop spatial skills, which are critical for dealing with a wide range of geometric concepts. The study of area is closely connected to Core Content on multiplication, and connections between these concepts should be emphasized whenever possible.

4.3.B. Determine the approximate area of a figure using square units.

4.3.C. Determine the perimeter and area of a rectangle using formulas, and explain why the formulas work.