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MCAS#11 Addition of Integers

1) Add the positive integers.
2) Add the negative integers without the signs.
3) Look at Steps 1 & 2: Subtract the smaller sum from the larger sum.
4) If the sum of Step 2(the negative number) is greater than the sum in Step 1 (the positive number) the answer is negative.
AB
(-9) + 12 =3
(-6) + (-12) =-18
4 + (-8) =-4
(-60) + (40)-20
(-2) + 10 + (-3) + 7 = (-5) =7
(-15) + (-7) + 10 + 6 + (-2) =-8
34 + (-10) + (-12) =12
(-20) + 50 + 60 =90
(-100) + (-10) =-110
(-30) + 29 =-1

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