Decimals and Models

• 8.6

• 7.6

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

• False 

• True 

Which problem is represented in the model?

• 0.32 - 0.17

• 0.49 - 0.32

• 0.32 + 0.17

• 0.49 - 0.17

What equation matches this model?

• 0.32 + 0.17 = 0.49

• 0.32 - 0.17 = 0.49

• 0.49 - 0.17 = 0.32

• 0.49 + 0.17 = 0.32

Does this model represent addition or subtraction?

• addition

• subtraction

What is the answer to this model?

• 0.19

• 0.61

• 0.42

• 0.2

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

Ray and his friends visited a fruit farm on Sunday. They picked 12.34 pounds of apples and 9.56 pounds of raspberries. How many pounds of fruits in all did Ray and his friends pick on Sunday?

• 2.78

• 20.7

• 21.9

Kennedy went to shopping she had $30. She bought a shirt for $10.00, 2 bottles of finger nail polish for $1.68 each, and a eye shadow for $6. How much money did she get back from the cashier?

• $19.36

• $10.64

• $11.36

Subtract 9.43 − 3.34

• 12.77

• 6.09

• 6.90

• 60.09