Measurement and Data

NC.3.MD.8 – Solve problems involving perimeters of polygons, including finding the perimeter given the side lengths, and finding an unknown side length.

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[chorus]

The perimeter is the distance all around the figure.

Perimeter of simple shapes that we make.

[verse]

The perimeter of a rectangle is

length plus width plus length plus width

For the perimeter of a triangle, can we agree?

side1 plus side2 plus side3

The perimeter of a square is easy, right?

You just add all 4 sides