Videos, examples, and solutions to help Grade 3 students learn how to construct rectangles from a given number of unit squares and determine the perimeters.
Common Core Standards: 3.MD.4, 3.MD.8, 3.G.1
Plans and Worksheets for Grade 3
Plans and Worksheets for all Grades
Lessons for Grade 3
Common Core For Grade 3
New York State Common Core Math Module 7, Grade 3, Lesson 18
Download the Worksheets for Grade 3, Module 7, lesson 18 (pdf)
Lesson 18 Homework
1. Shade in squares on the grid below to create as many rectangles as you can with an area of 18 square
2. Find the perimeter of each rectangle in Problem 1 above.
3. Estimate to draw as many rectangles as you can with an area of 20 square centimeters. Label the side
lengths of each rectangle.
a. Which rectangle above has the greatest perimeter? How do you know?
b. Which rectangle above has the smallest perimeter? How do you know?
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