Two by Two Addition and Subtraction with Decimals

Does this model represent addition or subtraction?

• addition

• subtraction

What equation matches this model?

• 0.7 - 0.44 = 1.14 

• 1.14 - 0.44 = 0.7

• 1.14 + 0.7 = 0.44

• 0.7 + 0.44 = 1.14

Subtract 9.43 − 3.34

• 12.77

• 6.09

• 6.90

• 60.09

• 11.27

• 22.37

• 8.6

• 7.6

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

• False 

• True 

What is the answer to this model?

• 0.19

• 0.61

• 0.42

• 0.2

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