Cumbersome Cubes

Halving is not always so simple. Small groups build a cube and then determine how to construct a cube that is half the size. Groups create two cubes, one that is the correct size and another that would be an alternative solution. To finish the exercise, groups defend their solutions to the rest of the class.

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CCSS: Adaptable
Instructional Ideas

  • Challenge some groups to double the size of their cubes
  • Lead a closing discussion on what size cube would be easier to halve
Classroom Considerations

  • Assumes the class knows about exponents
Pros

  • Contains a link to detailed explanation of the instructional strategies used in the lesson
  • Provides teacher notes with anticipated approaches
Cons

  • None