Decimal Operations Review

Kelly has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does Kelly have left?

• $28.73
• $11.27
• $17.85
• $13.42

The Bell family drove for 10.9 hours and stopped to sleep at a hotel.  They got up and drove another 8.6 hours and stopped to eat.  They had to drive another 12.4 hours to get to their destination, the Grand Canyon. What is the total number of hours that they drove?

• 31.9 hours
• 30 hours
• 31 miles
• 31.8 hours

Annie has $100.  She buys shoes and a shirt for $47.82 and $13.36. How much change did she receive?

• $38.802
• $38.98
• $38.082
• $38.82

Kelsey mixed 0.44 grams of salt into a pot of soup she was cooking. Before she served the soup, Kelsey added 0.18 grams of salt. How much salt did Kelsey put into the soup in all?

• 0.62
• 0.26
• 0.062
• 0.662

This morning the temperature outside was 63.5°F. Since then, the temperature has increased 5.4°F. What is the temperature outside now?

•  68.9°F
•  69.9°F
•  117.5°F
•  78.9°F

Mia has two pieces of ribbon. The first piece is 7.35 centimeters. The second piece is 37.5 centimeters. What is the combined length of the ribbon? 

• 11.10 cm
• 44.85 cm
• 111 cm
• 30.15 cm

A restaurant ordered 4.4 pounds of pasta. The next night, the restaurant used 1 pound of it. How much pasta is left?

• 3.4
• 4.3
• 4.5
• 5.5

There were 9.8 gallons of water in Tori's bathtub. Then 8.2 gallons drained out. How much water is left in the bathtub?

• 1.6 gallons
• 18 gallons
• 6.1 gallons
• 19 gallons

Ray and his friends visited a fruit farm on Sunday. They picked 12.34 pounds of apples and 9.56 pounds of raspberries. How many pounds of fruits in all did Ray and his friends pick on Sunday?

• 2.78
• 20.7
• 21.9

Susan ordered a kid’s drum set for $79.99 and a keyboard for $54.99 for her twin sons. How much did Susan spend in total on the musical instruments?

• $134.98
• $135
• $25