Proving Parallelogram Side Congruence

Let an informative resource on side congruence be on your side. Pupils prove that a given parallelogram has congruent sides with a two-column proof. They must apply triangle congruence, angle relationships, and properties of congruence to accomplish the proof.

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CCSS: Designed
Instructional Ideas

  • Use the worksheet as part of a quiz
Classroom Considerations

  • Note that the proof may vary depending on theorems that learners know
  • Individuals should be aware of the triangle congruence criteria
Pros

  • Includes some instructional implications for each listed misconception
Cons

  • Printing the PDF rubric at regular size results in parts that are too small to read
  • Resource contains only one problem
Common Core