Proving a Rectangle Is a Parallelogram

Take the time to prove what seems obvious. The resource provides pupils a figure of a rectangle, which they use to develop a proof showing that the rectangle is also a parallelogram. Scholars must rely on the definition of a rectangle to prove the property they have known since classifying quadrilaterals.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Review the different ways to show a quadrilateral is a parallelogram
Classroom Considerations
  • The class should know how to prove two lines are parallel
  • Individuals need to know the definition of a rectangle
Pros
  • Contains work to illustrate misconceptions
  • Provides instructional suggestions for struggling learners
Cons
  • None
Common Core