Decimal Model Addition and Subtraction

What decimal problem is represented in this model?

• 0.31 - 0.07 = 0.38

• 0.31 + 0.7 = 0.38

• 0.38 - 0.7 = 0.31

• 0.38 - 0.07 = 0.31

Solve the problem:

1.5 + 2.06 + 14.9 =

Blakely had $5.64 in her wallet. She found $1.71 more in the couch cushions. How much money does she have now?

On Saturday, Thaxton walked to the park and then walked a 1.35 mile trail. After that, he walked back home. The distance from his house to the park is 0.39 miles. Which expression represents how far Thaxton walked on Saturday?

• 0.39 + 0.39

• 0.39 + 1.35

• 1.35 - 0.39

• 0.39 + 1.35 + 0.39

Find the sum of 148.093 + 5.675

• 153.768

• 153.668

• 152.668

• 153.786

Evaluate
15.3 + 1.2 = ?

• 65

• 73

• 16.5

• 27.3

3.54 + 3.33 + 21.52 =

• 28.39

• 27.39

• 28.49

• 27.49

Which problem is represented in the model?

• 0.32 - 0.17

• 0.49 - 0.32

• 0.32 + 0.17

• 0.49 - 0.17

Emily bought the following amounts of fruit at a fruit stand:
0.75 pounds of grapes
0.5 pounds of bananas
1.25 pounds of apples

How much did her fruit weigh altogether?

• 0.25 pounds

• 2.05 pounds

• 2.50 pounds

• 25.0 pounds

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