Add and Subtract Decimal Model

Hailey cut 11.5 inches off a rope that was 50 inches long. How is the length of the remaining rope in inches written in decimal form?

While cleaning his room, Paul found 7 cents on his desk, 98 cents under his bed, and 2 dollars and 4 cents in his closet. What was the total amount of money Paul found?

• $2.09

• $3.09

• $3.72

• $4.08

Find the answer: 123.07 + 74.9 = ____

• 197.97

• 872.07

• 130.56

• None of the above

3.3 + 2.22=

• 5.52

• 5.55

• 5.77

• 5.4

15.07 - 12.2=

• 2.87

• 1.87

• 3.87

• 2.80

6.7 - 2.33=

• 4.43

• 4.4

• 4.37

• 4.47

The shaded model represents the decimal-

• 0.32

• 32

• 0.68

• 0.42

The shaded portion of the model represents the decimal-

• 1.55

• 1.6

• 1.56

• 1.65

The shaded model represents the decimal-

• 1.2

• 1.02

• 12

• 102

The shaded model represents the decimal-

• 53

• 5.03

• 5.3

• 3.5