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Missing Numbers
Dividing by Whole Numbers
Dividing by a Decimal
Mental Math
Dividing by a fraction
100

Find the Missing Number: 

1/2 = y/10

y = 5

100

0.4 divided by 2

0.2

100

8 divided by 0.8

10
100

17 x 10

170

100

1/4 divided by 1/2

1/2

200

Find the missing number

4/5 = 16/r

r = 20

200

0.06 divided by 3

0.02

200

5 divided by 0.25

20

200

1.25 x 100

125

200

6 divided by 1/3

18

300

Find the missing number

4/7 = p/21

p = 12
300

10.5 divided by 5

2.1

300

0.8 divided by 1.6

0.5

300

0.8 x 1,000

800

300

12 divided by 3/4

16

400

Find the missing number

5/8 = 35/g

g = 56

400

0.08 divided by 16

0.005

400
93 divided by 0.03

3,100

400

0.007 x 100

0.7

400

1/12 divided by 1/3

1/4

500

Find the missing number

2/9 = 22/w

w = 99

500

11.13 divided by 3

3.71

500

6.4 divided by 0.8

8

500

0.135 x 10

1.35

500

1/5 divided by 1/15

3