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Integers Free powerpoints at

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Integers The set of whole numbers and their opposites

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Operations with Integers

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Addition Subtraction Multiplication Division

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Addition of Integers

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When the signs of the numbers being added are the same, add their absolute values--The sign of the answer is the same as the sign of the numbers added together When the signs of the numbers being added are different, subtract their absolute values-- The sign of the answer is the same as the number with the largest absolute value

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Subtraction of Integers

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Add the opposite and refer to the addition rules (change the subtraction to addition and change the sign of the number being subtracted)

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Multiplication of Integers

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When the sign of the numbers being multiplied are the same, multiply the numbers--The sign of the answer is positive When the sign of the numbers being multiplies are different, multiply the numbers--The sign of the answer is negative

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Division of Integers

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Same as the rules for multiplication of Integers

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