Lesson Plan

The Mean as a Balance Point

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It's a balancing act! Pupils balance pennies on a ruler to create a physical representation of a dot plot. The scholars then find the distances of the data points from the balance point, the mean.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Conduct a mini-lesson on determining distances between two points
  • Lead a discussion on when it makes sense to think of the mean as a fair share and as a balance point
Classroom Considerations
  • Requires pennies and rulers for each group
  • Seventh segment in a 22-part unit
Pros
  • Provides diagrams to show the setup of the ruler balances
  • Contains expected responses within the discussion
Cons
  • None