Assessment

2D Rotations of Triangles

Curated and Reviewed by Lesson Planet

Where does the line of rotation need to be to get a cone? Pupils respond to three questions involving rotating a right triangle about different lines. The scholars describe the solid created along with providing details about its dimensions.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Have the class build a model of the solid of revolution
  • Lead a discussion on what the general form of a base would be for solids created by revolutions
Classroom Considerations
  • Individuals should be familiar with rotational solids
Pros
  • The rubric includes descriptions of misconceptions at different levels of understanding
  • Provides instructional implications for the various levels
Cons
  • None
Common Core