Finding Unknown Side Lengths
Grade 3•45 minutes
Learning Objective
I can find a missing side length of a shape when I know the other side lengths.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
View questions preview
1. What does "perimeter" mean? Explain it in your own words.
2. Imagine a rectangle. Two sides are 5 inches long, and two sides are 3 inches long. What is the perimeter of the rectangle?
3. A shape has sides that measure 4 cm, 6 cm, 4 cm, and 6 cm. What is the perimeter of the shape? Show your work.
...and 4 more questions
Educational Video
3rd Grade Math 11.3, Algebra, Find Unknown Side Lengths
JoAnn's School