Videos to help Grade 3 students learn how to measure side lengths in whole number units to determine the perimeter of polygons.

Common Core Standards: 3.G.1

Related Topics:

Lesson Plans and Worksheets for Grade 3, Lesson Plans and Worksheets for all Grades, More Lessons for Grade 3, Common Core For Grade 3

New York State Common Core Math Grade 3, Module 7, Lesson 12

Concept Development

How to find the perimeter of a polygon?

1. Measure and label the side lengths of the shapes below in centimeters. Then find the perimeter of each shape.

4. Jamal uses his ruler and a right angle tool to draw the rectangle shown below. He says the perimeter of his rectangle is 32 centimeters. Do you agree with Jamal? Why or why not?

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