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Nathan Nottke
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Nathan Nottke

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So basically Common Core says that its easier to figure out a Subtraction problem by using Addition..... 
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subtraction is addition of opposite just as division is multiplication by inverse 
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Nathan Nottke

commented on a video on YouTube.
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Didn't want to go into work yesterday.  XM Radio on the Pearl Jam Channel played the whole concert practically.   I was there!
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