Adding
Subtracting
Multiplying
PEMDAS!
100

-2 + 5

3

100

4 - (-3)

7

100

4 x 6 

24

100

3 + (4 x 2)

11

200

-15 + 8

-7
200

-3 - 3

-6

200

-9 x 4

-36

200

(-8 + 4) x -2

8

300

-20 + (-20)

-40

300

-5 - 4

-9

300

-2(5)(-3)

30

300

7 + 3 - (-8 + 2) รท 2

13