From: Danny Rayner
To: Teacher2Teacher Public Discussion
Subject: Value of two-column proofs
I believe that two-column proofs should definately be a part of the focus of the curriculum, but only a part. I believe a lot depends on the students and where they are with discipline, logic, structure, etc. Once this is determined and understood, then a decision needs to be made as to how much and how long proofs are covered. I mention proofs as only a part of the curriculum because there are so many other important areas of geometry to explore.
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