Assessment

Bill the Ball Bearing Man

Curated and Reviewed by Lesson Planet
This Bill the Ball Bearing Man assessment also includes:

Just how durable could a hollow ball bearing be? Learners model the strength of the walls of a ball bearing as a function of the radius of its cavity. They use their models to make reasonable conclusions about the probability of failure of the ball bearings.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Lead a class discussion exploring different solution strategies
  • Ask pupils to create a poster or presentation outlining their recommendations
Classroom Considerations
  • Requires a strong understanding of volumes of spheres
Pros
  • Requires modeling a real-life situation with geometric concepts
  • Encourages using mathematical communication
Cons
  • None
Common Core