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Subtracting Integers

Subtracting Integers. I Love Numbers!!!. Quick Review of Adding Integers. Adding Rule #1 If the signs are the same, add as you normally do. Keep the same sign. 5 + 8 = -8 + -17 =. Adding Rule #2 If the signs are DIFFERENT , pretend the signs aren’t there.

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Subtracting Integers

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  1. Subtracting Integers I Love Numbers!!!

  2. Quick Review of Adding Integers • Adding Rule #1 • If the signs are the same, add as you normally do. • Keep the same sign. • 5 + 8 = • -8 + -17 = • Adding Rule #2 • If the signs are DIFFERENT, pretend the signs aren’t there. • Subtract the smaller from the larger one. • Keep the sign of the number with the GREATEST Absolute Value. • 19 + -11 = • 24 + -86 = 13 -25 8 -62

  3. 3 Steps to Subtract Integers • Keep • Keep the 1st number • Change • Subtraction sign to Addition • Opposite/Change • Write down the opposite of the 2nd number • Then add the way you normally do.

  4. -9 – 14 = Keep ChangeOpposite - -9 - 14 = -23 Now follow the adding integers rules.

  5. Practice… -22 • -7 – 15 = • 23 – 98 = • -48 - -13 = • 5 - -6 = • 17 – 8 = -75 -35 11 9

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