Homework13-6

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
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