Estimating Decimals to Whole Numbers Addition and Subtraction

What is the sum of 5,462 and 315?

• 5,867

• 5,777

• 5,667

• 5,677

What is the difference of 64,281 and 6,379?

• 57,802

• 57,901

• 57,650

• 57,902

2.37+5.8=

• 8.17
• 8.18
• 9.17
• 8.71

3.075+0.357=

• 3.432
• 3.234
• 3.342
• 3.243

12.58-7.29=

• 5.29
• 5.92
• 5.39
• 5.19

Gina competed in a gymnastics competition.  Her total score for the balance beam and the vault was 16.75.  She scored 9.3 on the vault.  How much did she score for the balance beam?

• 7.45
• 7.54
• 7.045
• 7.054

Estimate to the nearest whole dollar by rounding:
$43.82 + $7.14 =

• $51
• 51
• 50
• 49

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?

• 13.57
• $13.57
• $13.75
• 13.75

Colleen paid $3.20 for a magazine and $5.80 for a book at the bookstore.  How  much more did the book cost than the magazine?

• $2.60
• 2.60
• $2.50
• $2.65

Nathan and his uncle paid $9.50 for tickets to a bike race.  They bought one adult's ticket and one child's ticket.  The adult's ticket cost $5.75.  What was the cost of Nathan's ticket?

• 3.75
• $2.95
• $3.75
• $3.50