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Unit 4 - Lesson 15 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 4
Lesson 15: Find Missing Side Lengths
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 4
Lesson 15: Find Missing Side Lengths
CC BY 2021 Illustrative Mathematics®
Lesson: Find Missing Side Lengths

Estimation Exploration: The Garden (Warm Up)

1.

What is the area of one of the large rectangles in the garden?

Record an estimate that is:

Find the Missing Side Length, Part 1

2.

Complete the table.

Find the Missing Side Length, Part 2

3.

Complete the table.

Clare wants to find the height of a rectangular prism with the following measurements:

4.

First, Clare finds the quotient of

What could she do next to find the height?

5.

Find the missing height to finish the problem for Clare.

6.

Complete the table.

Cool Down: The Area of the Garden
7.

The area of a rectangular garden is 832 square feet and its length is 16 feet. What is its width?