Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.



Re: Ten Questions
Posted:
Apr 8, 1996 11:30 AM


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



