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Reasoning and ProofSession 04 OverviewTab atab btab ctab dtab eReference
Part A

Observing Student Reasoning and Proof
  Introduction | Inscribed Triangles | Problem Reflection #1 | Inscribed Triangle Continued | Problem Reflection #2 | Classroom Practice | Observe a Classroom | Your Journal
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Now let's take a look at a class tackling the inscribed triangle problem in a setting similar to the one we just examined. Larry Davidson teaches a required course, Classical Geometry, at Boston University Academy.


Read the questions below before you watch the video. Then answer the questions as you watch. You may want to watch the video once for each question.

  • What are the reasoning processes illustrated here?
  • What conjecture are the students exploring?
  • What does the teacher do to encourage reasoning?
  • What types of questions does the teacher ask?

Now watch an extended video segment at left (duration 5:45) of Mr. Davidson's classroom as they work on the activity.

Next  Observe a classroom

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