## ProvingPropertiesofQuadrilaterals_Activity_Unscaffolded.docx.doc.pdf - Section 2: Proving the Properties of Quadrilaterals

ProvingPropertiesofQuadrilaterals_Activity_Unscaffolded.docx.doc.pdf

# Proving Properties of Quadrilaterals 2

Unit 4: Triangles and Congruence
Lesson 9 of 11

## Big Idea: Day Two of proving properties of quadrilaterals. Today is the day that most students will start to ‘get’ formal proofs.

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45 minutes

### Tom Chandler

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