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Published byEdwin Johnston Modified over 8 years ago
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1.2 Adding Integers
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Same Sign Add and keep the sign
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Ex
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Ex: -8+(-5) = -13
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Different Signs Subtract and keep the sign of the larger number
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Ex :
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5 + (-10) = -5
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Additive Inverse/ Opposites Two numbers whose distance from 0 are the same. Example: 3 and -3
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Additive Inverse Property The sum of an integer and its additive inverse (opposite) is 0 Examples 6 + (-6) =0 -25 + 25 =0
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Row-Row-Row Your Boat Song Same Sign Add and Keep Different sign Subtract Keep the sign of the larger # Then you will be Exact
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Row, Row, Row, Your Boat
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Adding Integers Rules Sign of larger # Sign of smaller # OperationSign of answer _ _ ADD _ _ + SUBTRACT _ + + ADD + + _ SUBTRACT +
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Assignment: TB: Page 12-13 (8-26) even
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