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Lesson: Perimeter: Unit Squares Mathematics • 3rd Grade

In this lesson, we will learn how to count unit squares to find the perimeter of rectilinear shapes drawn on unit grids.

Lesson Plan

Students will be able to

  • define perimeter as the sum of the measures of the outside edges of a shape,
  • use unit squares to count the perimeter,
  • find the perimeters of closed shapes.

Lesson Video

Video Thumbnail
13:24

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