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Topic: Algebra Balance Scales
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Subject:   RE: Problems with negative numbers
Author: djw
Date: Jun 17 2005
17 June 2005
did you post the applet using negative numbers?
dj



On Feb 17 2004, Joel Duffin wrote:
> On Feb 14, 2004, Julee wrote:

One limitation I found with this
> applet is that the problems I encountered all involved positive
> numbers.  Most students don't have a problem with algebra equations
> where they simply take away or divide.  

Also, we used balloons
> tied to our scales to represent negative numbers or anti-wieghts.
> This applet would have been more useful in helping students
> visualize the negative numbers.  

>>> My reply

We have worked
> on a version of this applet that includes problems involving
> negative numbers and uses balloons to represent them. I will see if
> I can dig it up and post it.

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