Special Lines in Triangles (part 1)

Allow your pupils to become the mathematicians! Individuals explore the properties of a midsegment of a triangle through construction and measurement. Once they figure out the properties, learners use them to draw conclusions.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • In the opening exercise, ask class members to create their own triangle before constructing the midsegment; comparisons can then be made between the unique triangles and relationships discovered
Classroom Considerations
  • Construction tools are required for individuals
  • Learners should be familiar with a midpoint construction and how to use a protractor
  • Hands-on approach motivates learners to discern patterns
  • Provides instructional guidance and reasonable progression of examples
  • None