New Mexico Standards. A polygon is any 2-dimensional shape formed with straight lines. The perimeter of a polygon is the sum of all its length.

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Study GuidePerimeter

Worksheet/Answer keysPerimeter

Worksheet/Answer keysPerimeter

Worksheet/Answer keysPerimeter

Worksheet/Answer keysPerimeter

Worksheet/Answer keysPerimeter

Worksheet/Answer keysPerimeter

NM.G. Geometry: Students will understand geometric concepts and applications.

5-8.G.1. Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematics arguments about geometric relationships.

5.G.1.2. Recognize and describe properties of regular polygons having up to ten sides.

5-8.G.4. Use visualization, spatial reasoning, and geometric modeling to solve problems.

5.G.4.1. Understand and compute the perimeter of regular polygons.

NM.M. Measurement: Students will understand measurement systems and applications.

5-8.M.2. Apply appropriate techniques, tools, and formulas to determine measurements.

5.M.2.3. Apply strategies and use tools for estimating and measuring the perimeter of regular and irregular shapes.