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6-7

Name

Date

Use an equation to solve.

Show your work.

1. Camille bought 2 pairs of pants for $29 each and

a shirt for $18. She paid with $80. How much did

she get in change?

$80 - (2 × $29 + $18) = c; c = 4; $4

2. On a weekend road trip, the Jensen family drove

210 miles on highways, where their car gets 35 miles

for each gallon of gasoline, and 54 miles on city

streets, where their car gets 18 miles for each

gallon. How many gallons of gas did they use?

(210 ÷ 35) + (54 ÷ 18) = g; g = 9; 9 gallons

Complete the tables.

3.

Yards

Feet

4.

Feet Inches

2

6 3

36

5

15 4

48

8

24 9

108

10

30

12

144

Add or subtract.

5. ___ 9

10 - ___ 3

10 =

8. 8 6 __

7 - 8 2 __

___ 6

6. __

10

2

7 = 4__

7

5 + 4 __

5 =

9. 4 3 __

6 + 1 5 __

6__

5 or 1 __ 1 5

7. 2 __ 1

6 = 6 __ 2 6

11. Stretch Your Thinking A worm moves forward __ 3 8 inch

every 5 minutes for 1 hour 25 minutes. How far

does the worm move in this time? Explain.

6 __ 3 8 inches; 1 hour 25 min = 60 min + 25 min = 85 min;

85 min ÷ 5 min = 17; 17 × __ 3 8 = ___ 51

8 = 6 __ 3 8 inches

8 + 5 3 __

8 =

10. 7 1 __

4 - 4 3 __

4 =

7 4 __

8

2 2 __

4

© Houghton Mifflin Harcourt Publishing Company

142 UNIT 6 LESSON 7 Multiply a Fraction by a Whole Number

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