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Topic: Why?
Replies: 52   Last Post: Oct 30, 2012 9:38 PM

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Robert Hansen

Posts: 8,271
From: Florida
Registered: 6/22/09
Re: Why?
Posted: Oct 26, 2012 8:57 PM
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On Oct 26, 2012, at 12:40 AM, Wayne Bishop <wbishop@calstatela.edu> wrote:

> I have no objection to using expressions of this type even in second and third grade; the Russian 2nd grade has it.

Define "use".

I have no objection to formulas, where the letters are simply placeholders and the only subsequent step is to replace them with numbers. To pretend that they are algebraic expressions, in the minds of the child to be manipulated algebraically, is not developmentally sound. I am only identifying and pointing out a common pedagogical fallacy and don't expect any of us to stop doing it entirely.

Bob Hansen


Date Subject Author
10/23/12
Read Why?
Robert Hansen
10/23/12
Read Re: Why?
Haim
10/23/12
Read Re: Why?
Clyde Greeno
10/23/12
Read Re: Why?
Dave L. Renfro
10/23/12
Read Re: Why?
Paul A. Tanner III
10/23/12
Read Re: Why?
Robert Hansen
10/23/12
Read Re: Why?
Paul A. Tanner III
10/23/12
Read Re: Why?
Robert Hansen
10/24/12
Read Re: Why?
Paul A. Tanner III
10/24/12
Read Re: Why?
Robert Hansen
10/24/12
Read Re: Why?
Paul A. Tanner III
10/24/12
Read Re: Why?
Robert Hansen
10/24/12
Read Re: Why?
Paul A. Tanner III
10/24/12
Read Re: Why?
Robert Hansen
10/24/12
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Paul A. Tanner III
10/24/12
Read Re: Why?
Robert Hansen
10/24/12
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Paul A. Tanner III
10/25/12
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Robert Hansen
10/25/12
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Louis Talman
10/26/12
Read Re: Why?
Wayne Bishop
10/25/12
Read Re: Why?
Paul A. Tanner III
10/27/12
Read Re: Why?
kirby urner
10/27/12
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Robert Hansen
10/27/12
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kirby urner
10/25/12
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Robert Hansen
10/25/12
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Paul A. Tanner III
10/23/12
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Jonathan Crabtree
10/25/12
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Robert Hansen
10/24/12
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GS Chandy
10/26/12
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Wayne Bishop
10/26/12
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Robert Hansen
10/27/12
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Paul A. Tanner III
10/27/12
Read Re: Why?
Robert Hansen
10/27/12
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Paul A. Tanner III
10/27/12
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Robert Hansen
10/27/12
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kirby urner
10/28/12
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Paul A. Tanner III
10/28/12
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Robert Hansen
10/28/12
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Paul A. Tanner III
10/27/12
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Wayne Bishop
10/29/12
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Joe Niederberger
10/29/12
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Joe Niederberger
10/29/12
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Robert Hansen
10/30/12
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Louis Talman
10/30/12
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Robert Hansen
10/30/12
Read Re: Why?
Paul A. Tanner III
10/30/12
Read Re: Why?
Louis Talman
10/30/12
Read Re: Why?
Robert Hansen
10/30/12
Read Re: Why?
Louis Talman
10/30/12
Read Re: Why?
Robert Hansen
10/30/12
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Louis Talman
10/30/12
Read Re: Why?
Clyde Greeno @ MALEI
10/30/12
Read Re: Why?
kirby urner

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