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Understanding Perimeter: Concepts and Classwork

This resource explains perimeter, the distance around any closed figure. It defines the perimeter as the total length of all sides of a shape and provides the formula: add all sides together. The distinction between perimeter and area is highlighted, with area measuring the inside and perimeter measuring the outside. The classwork assignment involves creating a picture frame to practice measuring perimeter, ensuring the frame is a closed figure, and following specific guidelines regarding materials and decoration.

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Understanding Perimeter: Concepts and Classwork

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  1. Perimeter The Distance around any closed figure

  2. Questions… • What is perimeter? • The distance around any closed figure • The length of all the sides of a shape • What is the formula for finding perimeter? • To find perimeter, add all the sides together • Length x2 plus width x2 • How is area different than perimeter? • Area measures the inside, perimeter measures the outside • Area is a square unit, perimeter is measured in regular units

  3. Perimeter Picture Frame – Classwork Grade • Three Main Requirements: • Name on Back • Description of Perimeter • Actual measurement of the perimeter of your frame • Requests: • Please only use 3 of the pipe cleaners • Don’t use too much glue: your paper will get flimsy • Decorate your frame! Make it pretty! • It must be a closed figure

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