Adding negatives
Adding negatives (hard)
subtracting negatives
Subtracting negatives (hard)
Mixed + and -
100

4 + (-2) =

2

100

-12 + (-15) =

-27

100

2 - (-1) =

3

100

-27 - ( -15) =

-12

100

20 - ( -4) =

24

200

8 + (-8) = 

0

200

-35 + (-17) =

-52

200

3 - ( -4) =

7

200

-15 - ( -20) =

5

200

13 + ( -5) =

8

300

-1 + 3 = 

2

300

51 + (-85) =

-34

300

12 - ( -6) =

18

300

12 - ( -27) =

39

300

22 + ( -10) = 

12

400

-15 + 20 = 

5

400

105 + (-88) =

17

400

-5 - (-5) = 

0

400

-81 - ( -54)

-27

400

-15 + ( -17) =

-32

500

- 27 + 20 =

-7

500

-217 + 158 = 

-59

500

-18 - ( -7) =

-11

500

-104 - ( -145) =

41

500

-45 - ( -98)

43

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