The Integer Family Developed by Ivan Seneviratne.

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Presentation transcript:

The Integer Family Developed by Ivan Seneviratne

Integer Addition

A Positive Plus a Positive You add and make it positive = = +12

A Negative Plus a Negative You add and make it negative = = = -12

A Positive Plus A Negative Subtract the absolute values and then you take the sign of, the farthest one from zero = = = = +6

Integer Subtraction Developed by Ivan Seneviratne

Integer Subtraction You have to add the opposite. Keep it, change it, change it. Then follow the adding rules = = = = +6

= = = = = = = = 12

Integer Multiplication & Division

Multiplication and Divide The signs the same its positive. -3 (-7) = Its negative if they’re not. 3 (7) = -3 (7) = -213 (-7) = -3 (-7) = +213 (7) = (7) =3 (-7) = -21

-3 (-9) = = = -3 (-8) = = = (+9) = -2 (-9) = = +3 (+9) = -3 (+9) = (-8) = (-9) = (+9) = = (-9) = +18

= = = = = = = = +2 2 (-9) = -3 (8) = +4 (-9) = +5 (+6) =+5 (+6) = (-9) = (-9) = (8) = -24

This presentation is developed by Ivan Seneviratne © 2006 purely for personal use.