Lesson: Areas of Rectangles with the Same Perimeter Mathematics • 3rd Grade

In this lesson, we will learn how to draw rectangles with the same perimeter, count unit squares to find their areas, and compare these areas.

Lesson Video

Q1:

Consider the given rectangle.

Find the perimeter of the rectangle.

Find the area of the rectangle.

Q2:

True or False: The two given rectangles are equal in perimeter and equal in area.

Q3:

Rectangle A and rectangle B have the same perimeter. Which of them has a larger area?