## Sample Envelope and Puzzle Pieces - Section 3: The Puzzle Proofs Activity

Sample Envelope and Puzzle Pieces

# Puzzle Proofs

Unit 5: Polygons and Congruent Triangle Proofs
Lesson 3 of 6

## Big Idea: A hands-on approach to proofs helps students to build confidence and conceptual understanding!

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4 teachers like this lesson
Standards:
Subject(s):
Math, Geometry, Proofs, congruent triangles, polygons (Determining Measurements), Isosceles triangle, equilateral, equiangular, flow chart proof
75 minutes

### Beth Menzie

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