Adding with Decimal Models

Which addition expression adds up to 7.29?

• 7.00 + 7.29

• 4.00 + 0.29

• 4.62 + 9.00

• 4.18 + 3.11

Lia and James went to the movies. The tickets are $3.00 each.  Lia bought popcorn and a slushy for $8.50 together. James bought a slushy and nachos $12.00 together. How much money did they spend total?

• 26.50

• 2.650

• 3.00

• 53.65

True or false: The blocks show the decimal numbers of 6.47 + 3.26.

• False 

• True 

The models below are shaded to represent two different decimal numbers. What is the sum of these shaded decimal numbers?

• 4.2

• 3.2

• 3.02

• 2.12

Jean bought 2 books to read while on vacation. The first book cost $15.45 and the second book cost $9.87. About how much did Jean spend on her new books?

• less than $24

• between $24 and $25

• between $25 and $26

• more than $26

Alexis drank two bottles of water this morning. One bottle held 12.5 ounces of water. The other bottle held 8.75 ounces of water. She wants to drink at least 32 ounces of water each day. How many more ounces does Alexis need to drink to make her goal?

• 21.25 ounces

• 11.75 ounces

• 11.2 ounces

• 10.75 ounces

Luis bought a bottle of water at the gym for $2.85, including tax. If he paid for it with a $5.00 bill, how much change should he have received?

• $2.15

• $3.15

• $3.85

• $7.85

A vet weighted 3 baby kittens. The kittens weighed 3.9 ounces, 4.25 ounces, and 3.5 ounces. What was the total weight of the three kittens?

• 8.15 ounces

• 11.65 ounces

• 7.75 ounces

• 7.4 ounces

What is (2 x 100) + (4 x 1) + (8 x 0.01) in standard form?

• 24.8

• 24.08

• 204.8

• 204.08