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Solve Problems involving Perimeter




 
Videos, examples, and solutions to help Grade 3 students learn how to use all four operations to solve problems involving perimeter and missing measurements.

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 Module 7, Grade 3, Lesson 17

Download the Worksheets for Grade 3, Module 7, lesson 17 (pdf)

Application Problem

Example: Gil places two regular hexagons side by side as shown to make a new shape. Each side measures 6 centimeters. Find the perimeter of his new shape.
Concept Development

Find the perimeter of shapes with missing measurements.



Homework

1. The shapes below are made up of rectangles. Label the missing side lengths. Then write and solve an equation to find the perimeter of each shape.
2. Sari draws and labels the square and rectangle below. Find the perimeter of the new shape.
3. Label the missing side lengths. Then find the perimeter of the shaded rectangle.

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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