Unit 3: Deductive Reasoning

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Essential Questions: 
  • How can we determine mathematical truth?
  • What is deductive reasoning?
  • What properties of lines can we prove true using deductive reasoning?
  • What is a coordinate proof?
  • How can we write a deductive proof in paragraph form?
  • Vertical angles
  • Complements of congruent angles
  • Supplements of congruent angles
  • Parallel and perpendicular lines
  • Alternate interior and alternate exterior angles
  • Same side interior angles
  • Triangle angle sum theorem and its corollaries
  • Exterior angle of a triangle
Skills and Processes: 
  • Write step by step deductive proofs
  • Write coordinate proofs
  • Write paragraph proofs