Lesson 15 Find Missing Side Lengths
Let’s use the relationship between multiplication and division to solve problems.
Warm-up Estimation Exploration: The Garden
What is the area of one of the large rectangles in the garden?
Record an estimate that is:
too low | about right | too high |
|---|---|---|
Activity 1 Find the Missing Side Length, Part 1
Complete the table.
area | length | width |
|---|---|---|
Activity 2 Find the Missing Side Length, Part 2
Problem 1
Complete the table:
volume | base | height |
|---|---|---|
Problem 2
Clare wants to find the height of a rectangular prism with the following measurements:
volume | length | width | height |
First, Clare finds the quotient
. What could she do next to find the height? Find the missing height to finish the problem for Clare.
Problem 3
Complete the table.
volume | length | width | height |
|---|---|---|---|
Practice Problem
Problem 1
The area of a rectangular field is 8,320 square yards. The width is 65 yards. How long is the field? Explain your reasoning.