Adding Decimals
Rounding Decimals
Subtracting Fractions
Divide Fractions
Powers of 10
100

0.35 + 0.17 =

0.52

100

3.6 

Nearest one

4.0

100

7 3/5 - 2 11/15 =

4 13/15

100

1/3 div 4 = 

1/12

100

0.8 x 102

80

200

6.48 + 5.93 =

12.41

200

3.278 

Nearest hundredth

3.28

200

13 9/14 - 5 2/7 =

8 5/14

200

1/3 div 3 =

1/9

200

3.205 x 103

3,205

300

0.79 + 0.4 =

1.19

300

15.09

Nearest tenth

15.1

300

9 7/18 - 6 5/9 =

2 15/18

300

1/5 div 2 =

1/10

300

3.04 div 10 

0.304
400

1.35 + 0.7 =

2.05

400

4.237

Nearest hundredth

4.24

400

18 1/2 - 4 3/5 =

13 9/10

400

9 div 1/5 =

45

400

5.31 x 103

5,310

500

1.293 + 1.6 =

2.893

500

12.603

Nearest tenth

12.600

500

9 3/7 - 5 2/3 =

3 16/21

500

10 div 1/3 =

30

500

6.7 div 10^2

0.067