# Integer Rules And Operations

Total Flash Cards » 22
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 When adding a positive and a positive... Just add the 2 numbers and use the same sign. +8 + +2 = +10 When adding a positive and a negative... Subtract the 2 numbers and use the sign of the number with the greater absolute value. +8 + -12 = -4 When subtracting integers... Change the minus sign to addition, and the second integer to its opposite, then follow addition rules. Don't change the first number. -5 - +16 Changes to what? -5 + -16 -15 - -20 = +5 When multiplying or dividing integers with the same sign the answer is always... positive When multiplying or dividing integers with different signs the answer is always... negative. +12 x +3 = +36 -15 x +3 = -45 -20 x -3 = +60 When adding a negative and a negative... Just add the numbers and use the same sign (negative.) -20 + -3 = -23 -40 / -4 = +10 -35 / +7 = -5 +3x - +2= (when x = -3) -11 4 - 5a (when a = -1) +9 x / -10 = 12 x = - 120 r + 56 = - 30 r = - 86 p - 93 = 12 p = 105 6h = -48 h = -8