Decimals Addition and Subtraction

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

• False 

• True 

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

Subtracting Decimals: Use the grid method to subtract 0.3 from 0.7

• 0.6

• 0.5

• 0.4

• 0.8

Subtracting Decimals: Use the grid method to subtract 0.5 from 0.9

• 0.3

• 0.7

• 1.2

• 0.4

Does this model represent addition or subtraction?

• addition

• subtraction

Adding Decimals: Use the grid method to add 0.6 and 0.4

• 0.8

• 1.0

• 0.2

• 1.5

Write the addition equation for the problem shown on the number line?

$12.25 + $7.25=

• $15.50

• $20.00

• $19.50

• $20.50