Triangle Types: Trying Triangles
This is one lesson in a larger Unit Plan that covers many properties of triangles and several other theorems. It has proofs, real world problems, constructions, a unit project, assessments, and more. In Lesson 6, Trying Triangles (Triangle Types), students explore triangle classifications. The entire unit plan can be found here. This lesson has 2 hands-on activities: one for Triangle Inequality Theorem, and an origami crane. It also has classification with examples and counterexamples.
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