proportions
fractions
negative numbers
divide/multiply
percents/decimals
100

6/4 = 9/x

6

100

convert   2 1/2 into an improper fraction

5/2

100

-5 x -3 =

15

100

23 x 12 =

276

100

.52 = _____%

52%

200

12/7 = x/21

36

200

correct this improper fraction

11/5 = 

2 1/5

200

12 / -3 = 

-4

200

546/5 =

109

200

2.5 = _____%

250%

300

5/15 = x/9

3

300

2  2/7 + 4  1/14 =

6  3/14
300

-4 + -2 =

-6

300

324 X 123 = 

39,852

300

42% = ___

.42

400

4/10 = 8/x

20

400

2  7/8 - 1  1/3 =  

1  13/24

400

6 -  -7 = 

13

400

5406/6

901

400

375% = ___

3.75

500

x/9 = 2/6

3

500

2/3  X  1/4 =

2/12 = 1/6

500

-8 + 12 =

4

500

690/30

23

500

3 = ____%

300%