Interactive

Parallelogram Proofs: Quadrilaterals that are Parallelograms

Curated and Reviewed by Lesson Planet

What conditions must be met for a quadrilateral to be a parallelogram? A slider interactive allows individuals to move the vertices of a quadrilateral. They answer questions that prove whether a given quadrilateral is a parallelogram.

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Additional Tags
Instructional Ideas
  • Apply the open discussion question as a class discussion prompt
Classroom Considerations
  • A free CK-12 account is necessary to access the resource
  • Pupils should be able to identify quadrilaterals and parallelograms
Pros
  • Includes links to YouTube videos in the tutorial
  • Some of the challenge questions provide hints for struggling learners
Cons
  • None