Solving Problems Involving Adding and Subtracting Decimal Numbers

Robert had $27.93. He spent some of his money at the pet store. When he got home he had $9.17. How much money did he spend at the pet store?

• $18.73

• $22.84

• $18.76

• $37.10

Stewart bought 3.26 pounds of bananas, 14.7 pounds of oranges, 8.632 pounds of grapes, and 0.986 pounds of kiwi to put in a fruit salad. How many pounds of fruit did Stewart buy?

• 27.578 pounds

• 25.758 pounds

• 100.91 pounds

• 10.091 pounds

Linda ran 8.2 kilometers on Monday, 9.34 kilometers on Tuesday, and 12.43 kilometers on Wednesday. How many kilometers did she run altogether on the three days?

• 29.97 kilometers

• 21.77 kilometers

• 20.63 kilometers

• 17.54 kilometers

The Merrick family bought a boat for $36,092.88, a boat trailer for $3,295.76, and some life jackets for $450.36. How much did the Merrick family spend?

• $398.39

• $39,739.00

• $3,983.90

• $39,839.00

Jake worked 2.5 hr on Monday, 3.25 hr on Tuesday, and 1.75 hr on Wednesday. How many hours did he work during the 3 days?

• 5.25 hours

• 6.75 hours

• 6.5 hours

• 7.5 hours

At the beginning of the turkey season, each turkey weighed an average of 9.2 pounds. By the middle of the season, each turkey weighed an average of 18.96 pounds. What was the average weight gain of each turkey?

• 9.94 pounds

• 9.76 pounds

• 18.04 pounds

• 28.16 pounds

Lenny’s fence is 6.9 meters long. He adds a new section that is 2.19 meters long. What is the total length of the fence?

• 4.71 m

• 9.19 m

• 9.09 m

• 9.99 m

Brian needs 4.5 lb of grapes. He puts 2.25 lb of grapes into his bag. How many more pounds of grapes does he need?

• 6.75 pounds

• 2.50 pounds

• 2.25 pounds

• 1.75 pounds

Charlene began the week with $456.23. She spent $72.85 on a stereo. How much did she have left?

• $435.98

• $398.08

• $393.38

• $383.38

A building is 32.98 meters tall. The building next to it is 19.47 meters tall. Estimate the difference between these two buildings.

• 13

• 15

• 14

• 10