Multiplying and Dividing Negatives
Convert between Fractions and Decimals
Adding Negative Numbers
Subtracting Negative Numbers
Convert Percentages to Decimals
100

-90/ -3

30

100

1/2

.5

100

-5 + 14

9

100

-5 - 15

-20

100

30%

.3

200

-27/ 3

-9

200

.06

6/100 or 3/50

200

6 + -10

-4

200

-8 - 6

-14

200

50%

.5

300

-41 x 100

-4100

300

.3

3/10 

300

-5 + -22

-27

300

8 - - 15

23

300

85%

.85

400

-3.5 x 2

-7

400

4/5

.8

400

12 + -25

-13

400

-4 - -6

2

400

400%

4

500

-35 x -200

7,000

500

.15

15/100 or 3/20

500

-34 + -60

-94

500

-25 - - 37

12

500

275%

2.75

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