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adding
subtracting
Multiplying
dividing
all of the above
100
2+2=
what is 4
100
1-1=
What is 0
100
8(9)
What is 72
100
9/3
What is3
100
2+5-5+30-100=
What is -68
200
5+10=
What is 15
200
30-10=
What is 20
200
9(5)
What is 45
200
8/4
What is 2
300
10+30=
What is 40
300
30-20
What is 10
300
4(10)
What is 40
300
16/8
What is 2
400
1000+1000=
What is 2000
400
40-39
What is1
400
80(10)
What is 800
400
14/7
What is 2
500
-5+-80=
What is -85
500
-40-(-39)
What is -1
500
-10(-20)
What is 200
500
-20/-2
What is -10