Finding a Missing Side Using Perimeter
Grade 4•45 minutes
Learning Objective
I can use addition and subtraction to figure out the missing side of a shape when I know its perimeter.
Practice Questions
This lesson includes 2 practice questions to reinforce learning.
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1. A rectangular garden has a perimeter of 28 meters. One of the sides is 6 meters long. What is the length of the missing side?
2. A rectangle has a perimeter of 45 centimeters. One side is 7 centimeters long. What are the lengths of all the sides of the rectangle?
Educational Video
Find the Missing Side of a Rectangle, when you know the Perimeter
Let's Do Math