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Topic: (2-col.) Proofs (see also Sketchpad & Triangle Congruence)
Replies: 80   Last Post: Jun 20, 1995 11:48 AM

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Doris Schattschneider

Posts: 26
Registered: 12/6/04
Re: 2-column proofs: motivations/techniques
Posted: Feb 21, 1995 2:46 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Amen to Judy's comment. Is it any wonder that even at the college level,
students are stymied by any problem that requires more than "plugging in"
numbers in a remembered formula or following some rote algorithm? (And
that knowledge of fundamental geometric relationships in 2 and 3 space is
almost non-existent?)

Doris Schattschneider


Why *not* teach geometry in a geometry course? And reasoning in *all* our
>math courses? No wonder kids can't cut it if the first time they have to
>think clearly is in 9th or 10th grade.
>
>Just a thought...
>
>
> ====================================
> Judy Roitman, Mathematics Department
> Univ. of Kansas, Lawrence, KS 66049
> roitman@math.ukans.edu
> =====================================
>
>
>
>
>
>
>
>








Date Subject Author
1/23/95
Read (2-col.) Proofs (see also Sketchpad & Triangle Congruence)
Bob Hayden
1/24/95
Read Re: Two-column proofs
Lou Talman
1/24/95
Read Re: Two-column proofs
John Conway
1/24/95
Read Re: Two-column proofs
Heidi Burgiel
1/24/95
Read Re: Two-column proofs
roitman@oberon.math.ukans.edu
1/24/95
Read Re: Two-Column Proofs
Marksaul@aol.com
1/24/95
Read Re: Two-column proofs
John Conway
1/24/95
Read Re: Two-column proofs
John Conway
1/24/95
Read Re: Two-Column Proof
John Conway
1/24/95
Read Re: Two-column proofs
Walter Whiteley
1/24/95
Read Re: Two-column proofs
Pat Ballew
1/25/95
Read Re: Two-Column Proof
W Gary Martin
1/25/95
Read 2-col. proofs
Bob Hayden
1/25/95
Read Formal Proofs in Geometry
Walter Whiteley
1/25/95
Read Re: Two-column proofs
Dave Wilson
1/25/95
Read 2-column proof example
Annie Fetter
1/25/95
Read Re: Two-column proofs
Lou Talman
1/25/95
Read Re: 2-col. proofs
John Conway
1/25/95
Read Re: 2-col. proofs
Michael Keyton
1/25/95
Read Re: 2-col. proofs
John Conway
1/27/95
Read Re: Two-column proofs
Andre TOOM
1/27/95
Read Re: Two-column proofs
Lou Talman
1/27/95
Read Re: Two-column proofs
W Gary Martin
1/27/95
Read Re: Two-column proofs
Michelle Manes
1/27/95
Read Re: Two-column proofs
Andre TOOM
1/28/95
Read 2 column proofs
Ronda Delcamp (Lewandowski)
1/31/95
Read Re: 2 column proofs
Walter Whiteley
1/28/95
Read Still two column proofs
John A Benson
1/28/95
Read Re: 2 column proofs
bo3b Overkamp
1/28/95
Read Re: 2 column proofs
SCOTT SMITH 216831-2200
1/29/95
Read Re: 2 column proofs
Andre TOOM
1/29/95
Read Re: Two-column proofs
John Conway
1/29/95
Read Re: 2-col. proof
John Conway
1/29/95
Read Re: 2 column proofs
John Conway
1/29/95
Read Re: Two-column proofs
R. D. Foster
1/30/95
Read Re: Still two column proofs
Robin Mc Leod
1/30/95
Read Not quite two column proofs
roitman@oberon.math.ukans.edu
1/30/95
Read Re: Still two column proofs
John Conway
1/30/95
Read Re: 2 column proofs
W Gary Martin
1/30/95
Read Re: 2 column proofs
Dan Hirschhorn
1/30/95
Read Re: 2 column proofs
G. Tupper
1/30/95
Read Re: 2-col. proofs
Bob Hayden
1/31/95
Read Re: 2 column proofs
John Conway
1/31/95
Read Re: 2 column proofs
Walter Whiteley
1/31/95
Read Proof in High school
John A Benson
1/31/95
Read 2-column proof
David Scott Powell
2/1/95
Read Re: 2 column proofs
W Gary Martin
2/1/95
Read 2-column proof
David Scott Powell
2/1/95
Read Re: Proof in High school
Robin Mc Leod
2/1/95
Read Re: 2 column proofs
Andre TOOM
2/1/95
Read Re: 2-column proof
William T. Webber
2/1/95
Read Re: 2-column proof
John Conway
2/2/95
Read Re: 2-column proof
G. Tupper
2/2/95
Read 2-column proof
David Scott Powell
2/2/95
Read Re: 2-column proof
Henri Picciotto
2/2/95
Read Re: 2 column proofs
Andre TOOM
2/2/95
Read Re: 2-column proof
Michelle Manes
2/2/95
Read Re: 2-column proof
Dan Hirschhorn
2/2/95
Read Re: 2-column proof
John Conway
2/2/95
Read Re: 2-column proof
Michael Keyton
2/2/95
Read Re: 2-column proof
Michelle Manes
2/2/95
Read Re: 2-column proof
Jim Swift
2/2/95
Read Re: Proof in High school
John Conway
2/3/95
Read Re: 2-column proof
Bill Marthinsen
2/3/95
Read Two-column proofs
J. Wendell Wyatt
2/3/95
Read Two-column proofs
J. Wendell Wyatt
2/5/95
Read 2-column proof
Marksaul@aol.com
2/5/95
Read proving the obvious
Marksaul@aol.com
2/7/95
Read Proofs in UK Schools
Jim Swift
2/12/95
Read 2-column proofs: motivations/techniques
John Tant
2/12/95
Read Re: 2-column proof
John Conway
2/14/95
Read Re: 2-column proofs: motivations/techniques
David Scott Powell
2/14/95
Read Re: Proofs in UK Schools
John Conway
2/17/95
Read Re: 2-column proofs: motivations/techniques
LaVerta K Schmeling
2/18/95
Read Re: 2-column proofs: motivations/techniques
Allan Mundsack
2/20/95
Read Re: 2-column proofs: motivations/techniques
Lou Talman
2/20/95
Read Re: 2-column proofs: motivations/techniques
roitman@oberon.math.ukans.edu
2/21/95
Read Re: 2-column proofs: motivations/techniques
Doris Schattschneider
2/21/95
Read Re: 2-column proofs: motivations/techniques
Kathryn Garrett
2/21/95
Read Re: 2-column proofs: motivations/techniques
John Tant
6/20/95
Read A comment from Jan Hall
Sarah Seastone

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