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Topic: Ten Questions
Replies: 1   Last Post: Apr 8, 1996 11:30 AM

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W Gary Martin

Posts: 80
Registered: 12/6/04
Re: Ten Questions
Posted: Apr 8, 1996 11:30 AM
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At 5:59 PM 4/5/96, Mike Bolduan wrote:
>The recent thread dealing with why a neg times a neg
>is a positive reminded me of the following. (BTW, I really
> think the thread was aimed at the question of how do
>you EXPLAIN to beginners that a neg times a neg
> is a pos -- not really the technical (abstract algebra type)
>reason WHY.

(a) The two are not unrelated. After all, the technical proof is just a
very abstract explanation. While one would certainly not give students the
abstract proof, it may be helpful in developing useful ideas at a more
concrete level. My belief and experience is that if I don't really
understand a concept at a level appropriate for me, I am not likely to be
able to develop reasonable ideas for my students... necessary but NOT
sufficient!
(b) I like your ten questions! They'd be great for secondary PST's!
Gary

W. Gary Martin
Curriculum Research and Development Group
University of Hawaii






Date Subject Author
4/5/96
Read Ten Questions
Mike Bolduan
4/8/96
Read Re: Ten Questions
W Gary Martin

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