Three Rubber Bands

This Three Rubber Bands assessment also includes:

Stretch your mind about triangles. Given a triangle, scholars consider a smaller triangle formed when they stretch three rubber bands from each vertex to the opposite side. They determine the ratios of the areas and perimeters of the smaller triangle to the larger triangle.

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CCSS: Adaptable
Instructional Ideas

  • Assign a different type of triangles to each group and then compare findings
Classroom Considerations

  • Learners should be familiar with area and perimeter of triangles
  • An understanding of ratio is also important

  • Provides a printable worksheet with a separate answer key

  • Resource mentions geometry software, but it does not provide a link; without it, the task becomes overly burdensome in terms of computations
Common Core