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Subtract Decimals Word Problems
Mixed Word Problems
100

7.8 + 0.54

8.34

100

Matt went to a toy store and bought a robot for $14.95 and batteries for $8.39. How much did he spend altogether?

$23.34

100

29.34 - 9

20.34

100

Beth used her phone's GPS to determine that she hiked 23.52 miles last weekend. The next weekend she hikes 29 miles. How many miles less did she hike the first weekend than the second?

5.48 miles

100

Stephen is weighing the amount of candy he got for Halloween. If he received 6.4 pounds and his sister received 5.3 pounds, how much did they get altogether?

11.7 pounds

200

14.8 + 10.26

25.06

200

Alexa swims each lap of a 4-lap race in the following times: 54.37, 54.56, 54.23, and 54.54 seconds. What is the total time it takes her to swim 4 laps (in seconds)?

217.7 seconds

200

9.67 - 2.35

7.32

200

Julie wants to buy a necklace for $15.92 and a t-shirt for $25.98. How much change will she receive  if she pays with a $50 bill?

$8.10

200

Jason walked 3.79 miles during the two days he was at the fair. On the first day he walked 1.94 miles. How far did he walk the second day?

1.85 miles

300

25 + 8.46

33.46

300

Claire has a new cell phone that holds 1.5 gigabytes of memory for music. She's already used 1.35 gigabytes of memory. Will she have enough space to download a song that will use 0.12 of memory?

Yes, 1.35 + 0.12 = 1.47

300

97 - 16.97

80.03

300

Mike buys 3.98 pounds of white rice and 4.29 pounds of brown rice. What is the difference between the weights of the rice?

0.31 pounds

300

Amazon has board games on sale for $9.99. Scrabble is original sold for $16.95. How much money would you save if you bought the game while it was on sale?

$6.96

400

0.8 + 0.22

1.02

400

A large bag of gravel weighs 42.1 pounds. A small bag of gravel weighs 23.9 pounds. If Sam buys 1 large bag and 2 small bags, how many pounds of gravel does he have altogether?

89.9 pounds

400

71.65 - 55.12

16.53

400

Tara's baby sister weighs 8.43 pounds. Her newborn puppy weighs 0.45 pound.  How much more does her baby sister weigh than her puppy?

7.98 pounds

400

Amelia went to the store with $15. She has to buy 1 birthday card and 4 balloons. Cards are worth $3.00 and balloons are worth $2.50 each. She also wants to buy an ice cream cone for $1.00. Will Amelia have enough to buy the ice cream?

Yes, she will have $2 left to spend on ice cream.

500

8.9 + 0.15

9.05

500

Joe wants to buy a video game that costs $59.95. He has $42.50 in cash and a gift card for $15.00. Does he have enough money to buy the video game?

No, $59.95 + 42.50 = $57.50

500

10 - 7.74

2.26

500

Gary paid for a book with a $20 bill. He received 2 dollars,  2 quarters,  and 4 pennies in change. How much did Gary pay for the book?

$17.46
500

Lily is buying 3 pens and 2 notebooks for school. Each pen costs $0.79 and each notebook is $0.99. Lily pays with a $10 bill. How much change will she receive?

$5.65

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