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From: Julie in NY (
Subject:         Re: Grading Geometry Proofs
Date: September 25, 2009 at 9:46 am PST

In Reply to: Grading Geometry Proofs posted by Suzanne on September 23, 2009 at 10:46 am:

Just keep in mind that there can be variance in the proofs. There is not only one way to write each proof in a problem. Some lines can be in a different order or coming at it from another direction. As long as they get the main points and understand what they are needed to prove, allow for some flexibility.

Also, I talked with the authors of Teaching Textbooks and they said it often takes most of the year before students really get the proofs. We were needing to move faster through the material and when they found that my son had a good grasp of proofs even though he had only done about a third of the book, they said he could skip doing all the proofs in each lesson. So I'm just having him od them occasionally and then sometimes watch the CD.

As to the tests, use your own judgment as to how you feel the student is doing overall and if he/she is seeming to get the idea, but needs more practice, take that into account so as to keep the proofs in perspective. You are right not to want to weigh more heavily toward the proof section.


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