Add and Subtract Decimal Models

Pam had $135.62 in her bank account. She deposited $58.90. How much money does she have in her account now?

7.9 - 3.47 =

(a)  

The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

Tony ran 4.8 miles. James ran 2.75 miles. How much farther did Tony run?

Ellie buys some craft supplies. The supplies cost a total of $6.43. She pays with a $20 bill. How much change does she receive?

The amount of time two teams spent practicing soccer is shown below:

Team one:  $$\frac{1}{2}$$   of an hour
Team two: 0.25 hours

What is the difference between these amounts of time in decimal form?

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?

(a)  

55.78 + 4.6 =

(a)  

This bar graph shows the amount of rain that fell during three days. Which decimal shows the difference, in inches, between the amount of rainfall on Wednesday and the amount of rainfall on Monday?

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?