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Adding and Subtracting Integers

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Uploaded by on Oct 11, 2008

Quick look at adding and subtracting integers, using a thermometer.

  • likes, 3 dislikes

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Uploader Comments (emarcos)

  • good , make more like this, and also explain this and more like it felt , because it is kinda crazy: 1 -(-2) = positive 3 .! however: it should be 1 -(-2) = negative (-1) isnt that so ?

  • 1-(-2)=3.

    You start at positive 1 and then "get rid of" 2 negatives, which gets you to 3.

    If you get rid of negativity, you move toward positive.

  • Dude awesome!!!

  • Wow, I just put this video up a few minutes ago!

Top Comments

  • your explanation makes so much since to me now! do more...good job! Thanks!

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All Comments (14)

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  • On the news, they were slow to say algorithms. We're not that stupid.

  • My problem with math when I was a little kid is that my brain knows sums. So if you would have asked me to add 10+15, I would automatically get 25. Eventually, my mind would get tired of doing it.

  • People can't think; it breaks them free.

  • yeah, I have a billion tricks for this and most of them are based off of 2.

  • Thank you - I really need help in this area.

  • Why the f* was this recommended to me? =_=

  • Did you figure it out by now? xD

  • aburrido y abla demasiado lento y con voz muy baja

  • Can you help me with getting an answer for this problem (-6) - (+9 ) + ( +10 ) - ( + 1 ) = ? if possible can you show me how to solve the problem ?

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