Instructional Video

Reasoning and Proof

Curated and Reviewed by Lesson Planet

Make sure the conditions are right. Pupils watch a video introducing conditional statements and their related statements. Learners find out how to identify the hypothesis and conclusion as well as write the converse, inverse, and contrapositive from an if-then statement. Scholars practice their newly learned concepts with the worksheet.

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Instructional Ideas
  • Create charts for the types of related conditional statements with examples to help the class remember which is which
  • Ask class students to come up with true conditional statements from their experiences
Classroom Considerations
  • First lesson in a four-part Reasoning and Proof unit
  • This video is hosted on YouTube
Pros
  • Uses non-geometry examples to help explain proofs, allowing for the focus to be on the proof, not an unknown geometric concept
  • Includes additional practice for individuals needing it
Cons
  • None