Math Review Chapters 5-8

Divide Decimals by whole numbers

100

6.54/ 10

.654

200

13.567/ 100

.13567

300

982.386/ 100

9.82386

400

4.3217/ 1000

.0043217

500

34.2768/ 1000

.0342768

Divide decimals by powers of 10

100

56.3/ 10^3

.0563

200

9.3 /  10^2

.093

300

123 / 10^4

.0123

400

45/ 10^2

.45

500

34.782 / 10^5

.00034782

Add/Subtract Fractions n

100

3/7 + 2/7

5/7

200

6/10 - 4/10

2/10

300

2/14 + 3/7

8/14

400

7/9 - 2/3

1/9

500

  10/15 - 4/30

16/30

Multiply Fractions

100

3/6 X 2/ 4

6/ 24

200

5/9 X 3/10

15/90

300

2/15 X 4/2

8/30

400

6/12 X 3/5

18/ 60

500

7/14 X 6/8

42/112

Multiply Fractions by a Whole Number

100

5 X 3/4

15/4

200

7 X 2/12

14/12

300

3 X 9/20

18/20

400

10 X 4/ 21

40/21

500

6 X 4/9

24/9