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Perimeters, Areas, Line Plots

Videos, examples, and solutions to help Grade 3 students learn how to use a line plot to record the number of rectangles constructed in Lessons 20 and 21.

Common Core Standards: 3.MD.4, 3.MD.8, 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 22

Download the Worksheets for Grade 3, Module 7, lesson 22 (pdf)

Lesson 22 Homework

1. The following line plot shows the number of rectangles a student made using square unit tiles. Use the line plot to answer the questions below.
a. Why are all of the perimeter measurements even? Do all rectangles have even perimeters?
b. Explain the pattern in the line plot. What types of side lengths make this pattern possible?
c. How many X’s would you draw for a perimeter of 32? Explain your answer.

3. Esperanza makes a rectangle with a piece of string. She says the perimeter of her rectangle is 33 centimeters. Explain how it’s possible for her rectangle to have an odd perimeter.



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