# Explore Perimeter of Plane Figures

Videos, examples, and solutions to help Grade 3 students learn how to explore perimeter as an attribute of plane figures and solve problems.

Common Core Standards: 3.G.1

Related Topics:
Lesson Plans and Worksheets for Grade 3
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Common Core For Grade 3

New York State Common Core Math Grade 3, Module 7, Lesson 13

Concept Development

Part 1: Calculate perimeter with given side lengths

Part 2: Practice calculating the perimeter of various shapes with given side lengths. Homework

1. Find the perimeters of the shapes below including the units in your number sentences. Match the letter inside each shape to its perimeter to solve the riddle. The first one has been done for you.

2. Alicia’s rectangular garden is 33 feet long and 47 feet wide. What is the perimeter of Alicia’s garden?

3. Jaques measured the side lengths of the shape below.

a. Find the perimeter of Jaques’ shape.

b. Jaques says his shape is an octagon. Is he right? Why or why not?

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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