Adding and Subtracting Decimals
Adding Decimals
Subtracting Decimals
100

Add the decimals 43.28 + 31.45

What is 74.73

100
92.30 + 0.32
What is 92.62
100
7.89 - 4.29
What is 3.6
200

Add the decimals 0.724 + 6.458

What is 7.182

200
In December the snowfall was 0.03 in. and in January it was 2.1 in. What is the total amount of snowfall?
What is 2.13 in.
200
True or False. 85.22 - 12.619 = 20.817
What is False 21.871
300

Add the Decimals 1.325 + 0.081

What is 1.406

300
9.1 + 7.21
What is 16.31
300
The pyramid of Khafe measured 143.5 meters high. The pyramid of Menkaure measured 65.5 meters high. What us the difference in the heights of these two pyramids?
What is 78 meters
400

Subtract the decimals 148.93 - 121.36

What is 27.57

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.
500

Subtract the decimals 248 - 131.48

What is 116.72

500
146.882 + (963.258 -147.852)
What is 962.288
500
Miami's annual precipitation in 2000 was 61.05 in. Albany's was 46.92 in. How much greater was Miami's precipitation than Albany's?
What is 14.13 in.
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