Modeling Add and Subtracting Models

What is the answer to this model?

• 0.19

• 0.61

• 0.42

• 0.2

Which problem is represented by this model? BE CAREFUL!

• 0.27 - 0.9

• 0.18 + 0.09

• 0.9 + 0.18

• 0.27 - 0.09

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

• 8.6

• 7.6

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 

• 2.94

• 1.06

• -7 + 4 = -3
• 7 + (-4) = 3
• 7 - 4 = 11
• 7 + (-4) = -11

Which expression matches the model shown?

• -4 + 5

• 4 + 5

• 4 + (-5)

• -4 + (-5)

The temperature at the beginning of the day was 6 degrees F. The temperature dropped 9 degrees F by the end of the day. What was the temperature at the end of the day?

• 3

• -3

• 15

• -15