Proof with Parallelogram Vertices

This Proof with Parallelogram Vertices activity & project also includes:

Geometric figures are perfect to use for proofs. Scholars prove conjectures about whether given points lie on a triangle and about midpoints. They use a provided dialogue among fictional learners to frame their responses.

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CCSS: Designed
Instructional Ideas

  • Use the resource as a formative assessment after a lesson on geometric proofs
Classroom Considerations

  • Pupils should have experience with the properties of triangles and quadrilaterals
  • It would be beneficial if scholars have experience evaluating mathematical reasoning
Pros

  • Provides sample responses to discussion questions and teacher reflection questions
  • Includes printable student worksheets
Cons

  • None