Addition
Subtraction
Multiplication
Division
Decimal Form
100

14.7 + 9.9

24.6

100

20.4 - 13.2

7.2

100

12 x 0.4  

4.8

100

5.4 ÷ 9

0.6

100

2.7 in expanded form

2 + 0.7

200

32.11 + 46.22

78.33

200

44.23 - 38.11

6.12

200

31 x 0.25

7.75

200

8.40 ÷ 8

1.05

200

3.6 in written form

Three and six tenths

300

98.99 + 97.88

196.87

300

58.957 - 42.463

16.494

300

9.1 x 3.2  

29.12

300

7.50 ÷ 6

1.25

300

4.51 in expanded form

4 + 0.5 + 0.01

400

58.363 + 41.135

99.498

400

89.242 - 56.676

32.566

400

8.7 x 9.4

81.78

400

6.75 ÷ 5

1.35

400

6.812 in expanded form

6 + 0.8 + 0.01 + 0.002

500

47.989 + 94.879

142.868

500

309.246 - 284.989

24.257

500

52 x 0.66

34.32

500

8.1 ÷ 3 

2.7

500

5.984 in written form

Five and nine hundred eighty-four thousandths