addition
Subtraction
multiplication
100

(-14) + (-7)

-21

100

(−8) − (−2)

-6

100

(-2) x (-8) =

16

200

(−41) + (−40)

-81

200

) (−27) − 24

-51

200

3 x (-4) =

-12x

300

(−9) + 14

5

300

) (−16) − (−36)

20

300
(-5)(7)(-3)

105

400

5 + (−8)

-3

400

16 − (−13) − (−5)

34

400

5 (2x - x)

5x

500

(−44) + (−9)

-53

500

1.8 − (−3.7)

5.5

500

(6.8)(-1.3)

-8.84