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Topic: Treatment of Negative Numbers
Replies: 12   Last Post: Dec 5, 2012 2:13 AM

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Robert Hansen

Posts: 8,069
From: Florida
Registered: 6/22/09
Re: Treatment of Negative Numbers
Posted: Dec 1, 2012 11:59 PM
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The University of Illinois has published the UICSM material on the internet archive!

http://archive.org/search.php?query=creator%3A%22University+of+Illinois+%28Urbana-Champaign+campus%29.+Committee+on+School+Mathematics%22

I will probably spend hours sifting through this stuff.

Here is the Volume 1 of the "First High School Course" dealing with directed numbers...

http://archive.org/stream/highschoolmathem01univ#page/n7/mode/2up

Check out how formal this stuff gets...

http://archive.org/stream/highschoolmathemat02univ#page/350/mode/2up

Bob Hansen

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