Operations with Decimals

7.9 + 18.72

• 2662

• 26.62

• 1

• 25.62

Subtract the following:
9.43-3.34

• 12.77

• 6.09

• 6.90

• 60.09

Tracy bought a shirt for $39.12 and paid with a $50.  How much change did she get back?

• $11.98

• $10.88

• $11.12

• $9.88

0.18 x 2.0

• 3.6

• 36

• 0.36

• 0.036

2.943 ÷ 2.7

• 109

• 10.9

• 1.09

13.5 ÷ 5

• 2.7

• 4527

• .27

• 4.7

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders