Adding Decimals
Subtracting Decimals
100
92.30 + 0.32
What is 92.62
100
7.89 - 4.29
What is 3.6
300
9.1 + 7.21
What is 16.31
300

True or False. 85.22 - 12.619 = 20.817

What is False 21.871

400
14.005 + 135.1 + 3009.124
What is 3158.229
400
Sue subtracted 2.9 from 20.9 and got 0.81. Explain why this is not correct. What did Sue do wrong?
What is Sue lined up the numbers and not the decimal. The correct answer is 18.
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