Finding Parallelogram Vertices

This Finding Parallelogram Vertices activity & project also includes:

Four is the perfect number—if you're talking about parallelograms. Scholars determine a possible fourth vertex of a parallelogram in the coordinate plane given the coordinates of three vertices. They read a conversation between classmates and discuss provided reasoning.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use the resource as an exploratory challenge during a lesson on parallelograms
Classroom Considerations
  • Pupils must have experience with parallelograms
  • Graph paper may be useful in finding solutions
  • Provides discussion questions to use with pupils
  • Describes evidence of mathematical practices that instructors should look for in student work
  • None