Back to the Basics: Constructions

Create a constructionist approach to constructions. The activity introduces the concept and tools of constructions. Pupils use worksheets to find a method that will perform the given constructions. The teacher guides the groups and confirms at the end the proper construction methods.

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CCSS: Designed
Instructional Ideas

  • Divide the class into groups and have them brainstorm procedures to make the necessary constructions
  • Lead a discussion on a proof of each construction
Classroom Considerations

  • Each class member needs a straightedge and compass
  • GeoGebra is a technological option to create constructions
Pros

  • Uses a procedure so that all of the worksheets are not exactly the same
  • Provides answers to the guiding questions
Cons

  • The directions for using GeoGebra to make the constructions are confusing and difficult to follow
Common Core