adding
subtracting
multiplying
rounding decimals
dividing
100

30.4+.6

3.64

100

81-4.83

76.17

100

2.48 x 24

59.52

100

round to the closest whole number

9.63

10

100

1.5/6

.25

200

6.852+3.97

10.822

200

2.43-.965

1.475

200

4.67 x 15

70.05

200

round to the closest tenth 

21.67

21.7

200

2.4/96

.025

300

8+4.7

12.7

300

4-1.5

2.5


300

87 x .8

69.6

300

round to the closest hundredth 

89.3712

89.37

300

104.4/ 29

3.6

400

7.41+2.835+.9

11.145

400
73- 9.69

63.31

400

416 x .38

158.08

400

round to the nearest whole number

 13.489

13.0

400

50.7/26

1.95

500

1.61+3.807

5.417

500

237.84-6.964

230.876

500

419 x 2.3

963.7

500

round to the nearest tenth 

27.48

27.5

500

34.55/ 20

1.73