Adding and Subtracting Decimals

What should you do when you are adding/subtracting a whole number and a decimal together?

• Add a decimal and the same number of zeroes as the other number behind the decimal to the whole number

• Do not add them together

• Multiply them

• none of the above

Add 12 + 0.8 =

• 9.7

• 8.5

• 12.8

• 11.4

Subtract 9.87 - 7.34

• 2.43

• 7.87

• 1.89

• 2.53

Kelly has $20. She spends $2.15 on a Slurpee and $6.58 on candy. How much money does Kelly have left?

• $28.73

• $11.27

• $17.85

• $13.42

Add 8.6 + 2.1 =

• 10.2

• 10.8

• 10.6

• 10.7

Find the difference 9.28 - 0.54

• 5.98
• 8.34
• 8.74
• 9.34

Which represents the sum of 72.3 + 29.85?

• 112.15

• 101.15

• 92.15

• 102.15

Which represents the sum of 4.54 + 18.29

• 22.83

• 12.73

• 12.83

• 22.73

• 53.62

• 63.62

• 54.62

• 64.62

• 5.23

• 4.13

• 6.13

• 6.23