This link has been bookmarked by 11 people . It was first bookmarked on 11 Oct 2006, by Rob Parrilla.
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02 Oct 14
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To determine whether the outcome will be positive or negative, count the number of negatives: If there are an even number of negatives -and you can put them in pairs- the answer will be positive, if not... it'll be negative:
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20 Nov 12
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30 Sep 11
Gingi WingardGreat verbal story "Party in Mathland" to remember when adding integers
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27 Mar 11
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24 Mar 11
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22 Nov 10
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03 Aug 10
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28 Jan 09
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15 Sep 08
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02 Apr 08
Tracy GidinskiA list of memory tips for operations with integers. Note: be sure you understand the concepts before you memorize the tips!
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