k12.ed.math Google Group

along Ar traditional

david.dail...@aol.com — Sat, 18 Oct 2008 04:16:39 UT

Fred wrote:
[link]

Newton

faken...@comcast.net (Fakename) — Sun, 30 Oct 2005 20:42:40 UT

A friend just made this statement to me, "this is sort of like Newton and
calculus.
He had a problem for calculus to work, it had to occur outside of time. Up
until then, change had to involve a passage of time. So he invented a new
law that said change could take place outside of time and then his whole

Re: Other Foundations of Math secondary teachers?

b...@abbenay.cs.berkeley.edu (Brian Harvey) — Sat, 15 Oct 2005 05:51:16 UT

Well, my own kid may be a counterexample. I adopted Heath at age 12;
by then he'd had a long history of school failure. Part of the reason
is that the one learning disability all the psychologists agree he has
is in short-term memory, which they say is what you need to learn the
number facts. So he came to me convinced he hates math. The schools

Re: Other Foundations of Math secondary teachers?

notreally.h...@here.com (Guess who) — Sat, 15 Oct 2005 01:09:46 UT

On Fri, 14 Oct 2005 19:43:37 GMT, b...@abbenay.CS.Berkeley.EDU (Brian
You are right again. I taught every grade, every level, and really
do understand the needs of kids who have great difficulties, or at
least have a good deal of experience dealing with them. They know who
they are better than we do. Most need hands-on, and math when they

Re: Other Foundations of Math secondary teachers?

dpboza...@swko.dot.net (Duane Bozarth) — Sat, 15 Oct 2005 01:09:45 UT

I guess that it also partly depends on what the class is---is it the
"cutups" or is it a real "mentally-challenged" group or something else
or all of the above?
I was thinking of apparently educatable kids who were either behind for
language or other reasons. While I don't have a problem w/ the idea of

Re: TI 86 data cable

sheld...@cvtel.net (cls) — Sat, 15 Oct 2005 01:09:43 UT

if you look at ti's website you should be able to determine the requirements
for the cable to hook up, and should provide you with a model number. Take
that information and try to have radio shack find it for you. Forget
Wal-Mart and Amazon.....would you be interested if I could find it for you?
Cory in MN

Re: Other Foundations of Math secondary teachers?

b...@abbenay.cs.berkeley.edu (Brian Harvey) — Fri, 14 Oct 2005 19:43:37 UT

It's been a long time, but I'm pretty sure that they wanted me to understand
key signatures and circle-of-fifths from the beginning, before I had much
"firm foundation" of playing skill. (Not to mention that music teaching also
has its radical critics, for some of the same reasons as math teaching -- it

Re: Other Foundations of Math secondary teachers?

maw93003-...@yahoo.com (mw) — Fri, 14 Oct 2005 04:43:55 UT

Thank you all for your opinions. I really appreciate the discussion of
the situation. Brian, your thoughts, although unconventional, are very
thought provoking. Some of the greatest discoveries of mankind were
made inadvertantly, not through long and tedious phases of learning and
planning. And, I don't have an all or nothing attitude. I can throw in

Re: TI 86 data cable

lbe...@townisp.com (Lisa Belec) — Fri, 14 Oct 2005 04:43:57 UT

Do yourself a favor and go to the TI web-site - why ask Walmart or
Amazon when you can ask the people who MADE the silly thing?
don wrote:

Re: How to Multiply a Ratio?

tshivpers...@gmail.com (hightone) — Fri, 14 Oct 2005 04:43:53 UT

Hi,
I want to thank you all that responded to the question. I really
appreciate you taking the time to help me.
Regards,
Tony

TI 86 data cable

d...@panix.com (don) — Thu, 13 Oct 2005 04:12:29 UT

I"m looking for the right cable to enable my TI86 to link with my laptop -
Walmarts website says the TI Connectivity USB Cable is the right one but
Amazons website site says this is not compatible with the TI 86 - so who is
right?

Re: How to Multiply a Ratio?

dpboza...@swko.dot.net (Duane Bozarth) — Thu, 13 Oct 2005 04:12:27 UT

1:12 --> rise/run --> for every unit in the horizontal direction it
rises 1/12 of that same unit.
So, if the base is 10 instead of 12, the height is 10/12.

Re: How to Multiply a Ratio?

kurtzdelete-t...@asu.edu ([Mr.] Lynn Kurtz) — Thu, 13 Oct 2005 04:12:25 UT

On Tue, 11 Oct 2005 06:26:32 GMT, "hightone" <tshivpers...@gmail.com>
wrote:
The slope is 1 / 12 which means for every meter along the base it
rises 1 /12 meter. So if its base is 10 meters long it rises....?
--Lynn

Re: Other Foundations of Math secondary teachers?

dpboza...@swko.dot.net (Duane Bozarth) — Thu, 13 Oct 2005 04:12:24 UT

I emphatically disagree that not knowing at least fundamental arithmetic
is essential...

Re: Other Foundations of Math secondary teachers?

notreally.h...@here.com (Guess who) — Thu, 13 Oct 2005 04:12:22 UT

On Mon, 03 Oct 2005 14:08:18 GMT, b...@abbenay.CS.Berkeley.EDU (Brian
You are right. I've asked adults, even some teachers, to divide one
fraction by another. They get it right. They invert and multiply
with no errors. Then I ask them *why* they did it that way. However,
it should not be surprising. If you learn to play the guitar or any