B - Add/Subtract Decimals

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

What is the result of the subtraction 19.8 - 10.46?

• 9.44

• 8.64

• 9.34

• 8.66

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

Amanda is 143.8 cm tall, and Greg is 118.1 cm tall. How many centimeters taller is Amanda than Greg?

• 25.7 cm

• 26.3 cm

• 25.3 cm

• 27.7 cm

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

What is the sum of the models shown?

Mathematical Equivalence

ON

Sort the key words into the operation they match.

Groups:

(a) Add

,

(b) Subtract

• less than

• total

• less

• difference

• altogether

• fewer

• take away

• increase

• in all

• minus

• sum