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Adding Decimals
Subtracting Decimals
Multiplying Decimals
Multiplying Fractions
Multiplying Two Digit By Two Digit Numbers
100

1.2 + .6

1.8

100

.09-.04

.05

100

.25 x .2

.05

100

2/3 x 2/4

4/12 or 1/3

100

12 x 12

144

200

2.3 + 2.2

4.5

200

2.24- 1.22

1.02

200

.37 x .6

.222

200

5/10 x 6/8

30/80 or 3/8

200

22 x 22

484

300

7.12 + 4. 18

11.3

300

13.04- 6.47

6.57

300

2.1 x .3

.63

300

4/7 x 4/7

8/49

300

13 x 79

1,027

400

23.98 + 15.76

39.74

400

20.03- 12.87

7.16

400

7.54 x .25

1.885

400

3/8 x 5/9

15/72 or 5/24

400

54 x 36

1,944

500

59.26 + 16.38

75.64

500

100.11- 89.75

10.36

500

3.25 x 2.15

6.9875

500

12/15 x 2/6

24/90 or 4/15

500

36 x 28

1,008