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Subtracting Integers
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Warm-Up Yesterday we talked about the integer rules. How does this chart apply to the rules? + Same - Different
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Additive Inverse The additive inverse allows us to easily solve subtraction problems. This is done by adding the opposite of what is being subtracted. El inverso aditivo nos permite resolver fácilmente los problemas de resta. Esto se hace mediante la adición de lo contrario de lo que se va a restar.
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Subtract a Positive Integer Find 9 – 12 9 – 12 9 + (-12) = ____ additiveinverse + -
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Subtract a Positive Integer Find -6 – 8 -6 – 8 -6 + (-8) = ____ additiveinverse + -
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Example Problems 3 - 8 + -
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Example Problems -5 - 4 + -
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Subtract a Negative Integer Find 7 – (-15) 7 – (-15) 7 + 15 = ____ additiveinverse + -
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Example Problems 6 – (-7) + -
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Example Problems -5 – (-19) + -
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Example Problems -14 – (-2) + -
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Example Problem The boiling point of water is 212°F, while -460°F is its absolute lowest temperature. Find the difference between these two temperatures. + -
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Up Next… Activity 1: Adding and Subtracting Integers
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