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Add & Subtract Positive & Negative Numbers

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This lesson teaches a method for adding and subtracting positive and negative numbers. (Other than the number-line method)


Transcript: coming soon!

Written by Joel

January 12th, 2009 at 8:00 am

Posted in Lessons

2 Responses to 'Add & Subtract Positive & Negative Numbers'

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  1. Oh Wow!! I can pass my math class now. Thank you for the video

    Marguerite

    24 Aug 10 at 5:56 pm

  2. do rules of addition and subtraction of postivie and negative number applies to muliplication and division of positive and negative number?

    marta

    19 Jan 12 at 11:23 am

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