Review Adding and Subtracting with Decimals

Mr. Starr bought candy for Halloween.  He purchased a 10 pound bag of candy.  When he ran out of candy he bought a bag of Jolly Ranchers that weighed 2.5 pounds and a bag of Kisses that weight 6.72 pound.  How much candy did he buy in all?

• 18.22 pounds

• 7.07 pounds

• 10.22 pounds

• 19.22 pounds

What is the difference?

• 0.31

• 0.47

• 0.63

• 31

0.77 + 7.19 =

• 7.267

• 1.489

• 7.96

• 0.796

19 - 10.3 =

• 9.3

• 8.1

• 9.7

• 8.7

Alexis bought 2.85 pounds of grapes at Food Lion. Daneya bought 3.509 pounds of grapes at Wal-Mart. How many pounds of grapes did they buy altogether?

• 6.359 pounds

• 8 pounds

• 3.794 pounds

• 0.659 pounds

What would be the best estimate for 4.2 + 6.963?

• 10

• 11

• 8

• 100

What would be the best estimate for 26.89 + 55.6

• 63

• 100

• 90

• 80

Justice wanted to buy a CD for $9.99 and a pair of jeans for $23.89. If she gives the cashier the $50 bill she earned from babysitting, about how much will she receive?

• $16

• $20

• $25

• $10

Timothy could buy a hotdog for $1.19, chips for $0.89, and a drink for $1.29 or he could get the combo meal for $3. Which one should he get and why?

• She should buy them separately because she could save $0.37.

• She should buy the combo because it would be easier to order.

• She should by the combo so that she can save $0.37.

• She should buy them separately so that she can save $3.37.

Skyler read 2.3 hours on Monday, 3.4 hours on Tuesday, and 1.8 hours on Wednesday this week. Last week he read 18 hours. About how much longer did he read last week than this week?

• 25 hours

• 15 hours

• 11 hours

• 8 hours