Add Subtract Decimals Models

What is the total value of the models?

• 75

• 7.5

• 0.75

• 0.075

Subtract the decimals represented by the models.

Bell walked 2.44 miles on Saturday. She walked 4.57 miles on Sunday. How much farther did Bell walk on Sunday than on Saturday?

• 2.24 miles

• 3.23 miles

• 2.13 miles

• 2.27 miles

At the grocery store, Vanessa bought 3.8 pounds of ground beef, 2 pounds of tomatoes, and 1.31 pounds of chicken. How much did these three items weigh altogether?

• 7.11 pounds

• 8.31 pounds

• 6.11 pounds

• 7.21 pounds

Richard bought a stereo for $252.14 and some speakers for $117.56. What was the total cost of his purchase?

• $369.70

• $370.70

• $371.80

• $372.60

Find the value of each decimal model and then find the difference.

0.47 - ​ (a)   = ​ (b)  

• 0.16

• 0.31

• 0.47

• 0.63

• 0.10

• 0.06

12 - 5.1 = ?

• 7.1

• 6

• 6.9

• 7.9

Students carry pails of water in a running race. The water left in each runner's pail is measured at the finish line. Lucy had 4 liters in her pail. Sally and Bree had 2.57 liters and 1.41 liters in their pails. What is the total amount of water the three runners had at the finish line?

• 7.98 liters

• 7.88 liters

• 8.98 liters

• 6.88 liters

Cathy picked 12.75 pounds of apples. Jennifer picked 16 pounds of apples. How many more pounds of apples did Jennifer pick than Cathy?

• 3.63 pounds

• 28.75 pounds

• 3.25 pounds

• 3.75 pounds

Joanna bought a sweater for $26.99, a scarf for $12.56, and gloves for $7.12. She gave the clerk $50. How much change will she receive?

• $3.33

• $46.67

• $3.67

• $4.67