Reflection: Relevance Introducing Inductive and Deductive Reasoning - Section 6: Debrief Inductive and Deductive Reasoning Investigation


Before leading students through the notes, I made a decision to map out the kinds of reasoning students had used when going through the investigation.  I thought this was a good decision because today's lesson showcases the way in which we will work for the rest of the year:

  1. Explore small examples, looking for patterns
  2. Compare findings with other students, asking "what do we notice?"
  3. Convince ourselves, a friend, and a skeptic by proving something important, something big that moves us beyond small examples but to something big and generalizable.

  Relevance: Framing the Debrief Discussion Around Reasoning and Habits of Mind
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Introducing Inductive and Deductive Reasoning

Unit 4: Discovering and Proving Angle Relationships
Lesson 2 of 6

Objective: Students will be able to use inductive reasoning to look for patterns and generalize the patterns; then, they will use deductive reasoning to prove the generalization they made.

Big Idea: Students will use inductive and deductive reasoning, making connections to how this kind of mathematical thinking fits in with the notion of proof.

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