Proportional Representation

This Proportional Representation assessment also includes:

Sometimes the solution is all a matter of perspective. The short assessment task presents a problem to pupils that requires them to make sense of a diagram. Once learners see two similar triangles, the rest of the solution is solving a proportion.

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CCSS: Adaptable
Instructional Ideas

  • Provide colored pencils to mark the similar triangles so they are easier to see
Classroom Considerations

  • Expects people know how to work with similar triangles
  • Individuals should be comfortable solving equations in terms of other variables

  • Contains an answer key with multiple solutions
  • Denotes the mathematical big ideas involved

  • The answer key refers to labels not on the original document and to supplementary angles as complementary