Homework 13-6 Name Area of Squares and Rectangles Another Look! What is the area of this rectangle? 5 ft You can count squares or multiply to find the area. 8 ft A. You can count the number of square units. There are 40 square units. Each square unit is 1 square foot. B. You can count the number of rows and multiply by the number of squares in each row. There are 5 rows and 8 squares in each row. 5 × 8 = 40 The area of the rectangle is 40 square feet. The area of the rectangle is 40 square feet. In 1 through 3, find the area. 2. 1. 2m 6 in. 3. 3 yds 4 in. 9m 8 yds In 4 through 6, find the missing length of one side. Use grid paper to help. 4. 9 ft ? ft 54 square ft 5. 8 cm ? cm 64 square cm Digital Resources at PearsonTexas.com 6. ?m 6m 42 square m Topic 13 Lesson 13-6 735 In 7 through 9, use the illustration to the right. Use grid paper to help. 7. Explain Jerry is making a box from the pieces on the right. Explain how you can find the area of the two end pieces. 3 ft 4 ft 2 ft End End 3 ft 3 ft Back Front 2 ft 3 ft 4 ft Bottom 4 ft 9. Reason Jerry decides to add a top to his box. What is the new area of all the pieces? 8. Analyze Information What is the area of all of the pieces Jerry is using to make the box above? What strategy did you use to find the answer? 10. Number Sense Rachel’s family went on a car trip. They traveled 268 miles the first day. They traveled 100 fewer miles the second day. They traveled 285 miles the third day. How many miles did they travel? 2 ft 11. Which number sentence shows the area of a rectangle with a length of 4 cm and a width of 9 centimeters? A B C D 12. Extend Your Thinking Rubin drew this diagram of his garden. How can you divide the shape to find the area? What is the area of the garden? 9 + 4 = 13 square centimeters 13 × 4 = 52 square centimeters 36 , 4 = 9 square centimeters 9 × 4 = 36 square centimeters You can use grid paper to help. 4m 4m 6m 8m 4m 10 m 736 © Pearson Education, Inc. 3
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