Add and Subtract Decimals with Word Problems

This bar graph shows the amount of rain that fell during three days. Which decimal shows the difference, in inches, between the amount of rainfall on Wednesday and the amount of rainfall on Monday?

• 1.25

• 1.45

• 1.55

• 2.25

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?

• $3.73

• $4.27

• $14.83

• $16.27

Karl earned $142.37 this month running errands for his uncle’s business. If he needs to pay $38.81 for a bill, about how much does he have left to spend?

• $100.00

• $130.00

• $150.00

• $180.00

Yesterday I went to 7-11 and purchased 4 candy bars that were $1.25 each and 6 packs of gum that were $2.75 each. How much did I have to pay the cashier, before tax?

• $7.50

• $21.50

• $5.00

• $16.50

Answer explanation

1) Find the cost of the candy bars. (x)

2) Find the cost of the gum. (x)

3) Add the two costs.

Sarah bought 2 packs of paper and 3 packs of markers. If the paper costs $1.05 a pack and the markers cost $1.80 a pack, how much money did Sarah spend?

• $2.10

• $5.40

• $7.30

• $7.50

Xavier spent $15.68 on a shirt, $29.67 on shoes, and $14.95 on pants. How much did he spend?

A car travels 12.5 miles and then an additional 3.75 miles. How far does the car travel in total?

• 16.25 miles

• 15.25 miles

• 16 miles

• 15.5 miles

Mrs. Bentley took her two nieces to the zoo this past weekend. They bought two child tickets that cost $5.99 each, an adult ticket that cost $12.99, three lunches that cost $7.49 each and 3 waters that cost $4 each. If Mrs. Bentley brought a $100 bill, how much change did she receive?

• 40.56

• 59.44

• 41.44

• 100.00

5.16 ounces of liquid was put into one vial. 4.08 ounces was placed into a second vial. 6.17 ounces was placed into a third vial. What is the total number of ounces in the vials altogether?

• 9.24

• 15.41

• 10

• 2.07

Kelli bought 2 notebooks for $3.15 each and a backpack for $12.40. How much money did she spend?

• $15.55

• $17.55

• $18.70

• $19.70