Math: Word Problem Solving - Lessons Answer Key
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Lesson (A)
Doug and his four co-workers shared the winning lottery ticket.
How much was each person's share if the ticket was worth
$2,000,000.
(Division is the operation used because of the key phrase in boldface print.)
Lesson (B)
Rose wants to buy a 27-inch television for $399.00 and a chair and
ottoman for $275.00. She only has $600.00 saved. How much
more will she need?
Lesson (C)
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$2,000,000
5 people = $400,000
Stanley and his family drove to Cedar Falls. Stanley drove at a
rate of 70 miles per hour. The drive took him 3 hours. How
many miles did Stanley dive? (Hint: D = R x T)
D = 70 mph x 3 hr.
D= 210 miles
Olivia filled a five gallon aquarium with a quart size container.
How many quarts did she use to fill the aquarium?
(Multiplication is the operation used because it is implied that one unit is used to find the amount of several units.)
(Hint: 4 quarts = 1 gallon)
1 gal. = 4 qt.
5 gal. x 4 qt. = 20 qt.
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Karen receives $12.00 per hour for babysitting. She babysits a
total of 8 hours a week. How much money will she receive if she
babysits for 3 weeks?
A = R x T
A = $12.00 x 3(8)
A = $12.00 x 24
A = $288.00
If George can do 30 jumping jacks in 1 minute, how many
jumping jacks can he do in 6 minutes?
A = R x T
A = 30 x 1
A = 30 x 6 (1)
A = 180 jumping jacks
Marta makes $1750 a month. She pays $600 for a month's rent,
$250 for car insurance, and 200 for food. How much does she
have left each month after paying for rent?
$1,750 - $600 = $1,150 left over
Note: All of the other information in problem 3 is not needed to solve
the problem.
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Marvin delivered a total of 162 newspapers on Monday, Wednesday,
and Friday. Also, he delivered 64 newspapers on Tuesday and 35 newspapers on Thursday. How many newspapers did Marvin deliver altogether?
Hint: (54 papers each on Monday, Wednesday, and Friday: 3 x 54 = 162 )
162 + 64 + 35 = 261 papers
Kathy charges $25.00 for a silk floral arrangements at her floral shop.
For each floral arrangement, she will need to spend $2.50 for the
ceramic pot, $3.50 for a small wedge of green Styrofoam, and $7.00
for a selection of silk flowers. If Kathy does 17 floral arrangements
in a week, how much of a profit will she receive in 4 weeks?
1.
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3.
