Look at Part 1. How can you find the area of this figure?
Break the figure up into rectangles. Then, add the areas.
What formula can you use to find the area of a rectangle?
Break up the figure into 2 rectangles. What is the missing width of 1 of the rectangles? What is the missing length of the other rectangle?
What is the area of the rectangle with the dimensions of 10 inches by 4 inches?
40 inches^{2}.
Use the area model shown in Figure 2 to find the area of the rectangle that has side lengths of 7 inches and
There are 35 wholes and 7 halves.
What is the area of the rectangle that has side lengths of 7 inches and
What is the total area of Figure 1? Support your answer.
Look at Part 2. What information are you given?
You are given the area of the backyard and the length of 1 of the sides of the backyard.
What do you need to find in order to calculate how many feet of materials Henry needs?
You need to find the width.
What multiplication sentence can you write to help you find the width?
How many feet of materials does Henry need for his fence? How do you know?
18 feet. Possible explanation:
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