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Side Length, Perimeter, and Area of a Rectangle

Activity Overview

Explore the effects of changing base (or height) of a rectangle on it's perimeter and area.

Objectives

  • Explain how a change in only the base (or the height) of a rectangle affects its perimeter
  • Explain how a change in only the base (or the height) of a rectangle affects its area

Vocabulary

  • base
  • height
  • perimeter
  • area

About the Lesson

In this lesson, students will change the base of a rectangle and observe the corresponding changes in the perimeter and area. They will also change the height of a rectangle and observe the corresponding changes in the perimeter and area. As a result. students will:

  • Generalize the effect on perimeter when the base (or height) is increased by n units.
  • Generalize the effect on area when the base (or height) is increased by n units.

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