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Rounding
Adding decimals
Adding 3 numbers
Subtracting decimals
Subtracting with zeros
100

Round to the nearest whole number.


14.56

15

100

3.5 + 8.25 

11.75

100

19 + 5.2 + 74.3 =

98.5

100

7.5 - 3.15

4.35

100

82 - 9.568

72.432

200

Round to the nearest penny


13.573

$13.57

200

3.2 + 2.45

5.65

200

12.4 + 0.7896 + 5

18.1896

200

12.98 - 0.74321

1.23679

200

7.2-3.1478

4.0522

300

Round to the nearest 10th


12.378

12.4

300

6.8 + 78.1

84.9

300

0.2 + 0.687 + 2.3 

3.187

300

15 - 3.45

11.55

300

14.7 - 0.2356

14.4644

400

Round to the nearest 100th


0.95321

0.95

400

4.35 + 2.650

7

400

3.4 + 17.89 + 27

48.29

400

7.8 - 6.382

1.418

400

100 - 99.34587

0.65413

500

Round to the nearest penny.

12.998

$13

500

9.87265 + 0.1235

9.99615

500

529 + 3.25 + 410.2

942.45

500

14.6 - 12

2.6

500

980 - 87.0005

892.9995