Example sort: Lines of Symmetry - Section 3: The Four Triangle Problem

  Example sort: Lines of Symmetry
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Four Triangles

Unit 1: Creating Classroom Culture to Develop the Math Practices
Lesson 2 of 6

Objective: Students will be able to determine the number of figures that satisfy the Four Triangle problem and sort their figures given a particular criterion.

Big Idea: Students will engage in a hands-on activity through which they will be introduced to the notion of proof by exhaustion as well as one of the big ideas of geometry: classifying and differentiating.

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