Chapter 2: Congruence and Proof
Investigation 2A: The Congruence Relationship
2.1 Getting Started
2.2 Length, Measure, and Congruence
2.3 Corresponding Parts
2.4 Triangle Congruence
Investigation 2B: Proof and Parallel Lines
2.5 Getting Started
2.6 Deduction and Proof
2.7 Parallel Lines
Reasoning in Algebra
2.8 The Parallel Postulate
Investigation 2C: Writing Proofs
2.9 Getting Started (skipped)
2.10 What Does a Proof Look Like? (skipped)
2.11 Analyzing the Statement to Prove
2.12 Analysis of a Proof - Understanding or Writing: Which Comes First?
2.13 The Reverse List - Working Back From What You Want to Prove (skipped)
2.14 Practicing Your Proof-Writing Skills (skipped)
Investigation 2D: Quadrilaterals and Their Properties
2.15 Getting Started (skipped)
2.16 General Quadrilaterals
2.17 Properties of Quadrilaterals (combined with 2.16)
2.18 Parallelograms (combined with 2.16)
2.19 Classifying Parallelograms (combined with 2.16)
2.1 Getting Started
2.2 Length, Measure, and Congruence
2.3 Corresponding Parts
2.4 Triangle Congruence
Investigation 2B: Proof and Parallel Lines
2.5 Getting Started
2.6 Deduction and Proof
2.7 Parallel Lines
Reasoning in Algebra
2.8 The Parallel Postulate
Investigation 2C: Writing Proofs
2.9 Getting Started (skipped)
2.10 What Does a Proof Look Like? (skipped)
2.11 Analyzing the Statement to Prove
2.12 Analysis of a Proof - Understanding or Writing: Which Comes First?
2.13 The Reverse List - Working Back From What You Want to Prove (skipped)
2.14 Practicing Your Proof-Writing Skills (skipped)
Investigation 2D: Quadrilaterals and Their Properties
2.15 Getting Started (skipped)
2.16 General Quadrilaterals
2.17 Properties of Quadrilaterals (combined with 2.16)
2.18 Parallelograms (combined with 2.16)
2.19 Classifying Parallelograms (combined with 2.16)