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Triangle Perimeter and Area: Around and Through

This is one lesson in a larger Unit Plan that covers many properties of triangles and several other theorems. It has proofs, real world problems, constructions, a unit project, assessments, and more. Lesson 8, Around and Through, students investigate the relationship of triangle perimeter and area, including real world connections. Includes lesson plan and rubric. The entire unit plan can be found. This is a portion of a Unit Project, however, it could be used as a stand alone assignment as well.

Standards & Objectives

Essential and guiding questions: 
  • Why study triangles?
  • How would the world be affected with the elimination of triangles?
  • How do area and perimeter compare and contrast?
  • How are area and perimeter related to other geometric topics?

Lesson Variations

Blooms taxonomy level: 
Understanding

Helpful Hints

Materials:

  • pencils
  • paper
  • calculator

References

Contributors: