Adding and Subtracting Decimals Test

Devin cuts a piece of rope that measures 8.56 meters from a larger piece of rope that measures 19.55 meters. How much of the larger piece of rope is left?

• 11.01 meters

• 9.99 meters

• 18.11 meters

• 10.99 meters

There are 2 skunks at a zoo. One has a mass of 5.78 kilograms. The other has a mass of 4.06 kilograms. What is their combined mass in kilograms?

• 9.74 kilograms

• 1.72 kilograms

• 9.84 kilograms

• 10.74 kilograms

Stacy’s plant was 7.9 inches tall when she last measured it. The plant is now 10.65 inches tall. How much has the plant grown?

• 2.75 inches

• 3.56 inches

• 18.55 inches

• 13.75 inches

Dahlia 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 centimeters

• 44.85 centimeters

• 111 centimeters

• 30.15 centimeters

Amalia put 10 grams of food in her hamster’s food dish. When she checked back later, the amount of food in the dish was 7.29 grams. How much food did Amalia’s hamster eat?

• 3.29 grams

• 2.81 grams

• 2.71 grams

• 3.81 grams

Howard runs a race in 50.3 seconds. He finishes 0.85 second behind Carl. How many seconds does it take Carl to run the race?

• 51.15 seconds

• 49.45 seconds

• 48.8 seconds

• 50.15 seconds

A frog jumps 30.6 centimeters. Then it jumps 31.5 centimeters. How much farther did the frog jump on the second jump than the first?

• 0.9 centimeter

• 1.9 centimeters

• 1.0 centimeter

• 1.1 centimeters

The temperature rises 1.62°C. An hour later, it rises another 0.75°C. Two hours later, it rises another 0.75°C. What is the total rise in temperature?

• 2.12°C

• 3.12°C

• 0.12°C

• 2.67°C

Rashida poured 1.65 liters of water into an empty flask then placed the flask outside. If 0.8 liters of water evaporates, how much water will be in the flask?

• 0.57 L

• 0.78 L

• 0.85 L

• 0.80 L

Barney bought three items at a sporting goods store. He bought a cooler for $39.95, a lantern for $16.99, and a large tent. He spent a total of $126.44 for the items. How much did he pay for the tent?

• $68.95

• $69.15

• $69.50

• $69.29