Assessment

Boring a Bead

Curated and Reviewed by Lesson Planet

How much material is in a bead? Class members utilize volume formulas to determine the amount of material in a bead. The goal of the assessment is to show that the amount of material left in a bead is the same for all beads with a given length of hole. Individuals show that the volume of the bead is independent of the radius but depends upon the length of the hole.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Bring in different-sized beads with the same hole length to show the class
Classroom Considerations
  • Pupils should know the formula to find the volume of a cylinder and a sphere
  • The class should be familiar with trigonometric ratios
Pros
  • The problem provides a formula that will be helpful in finding the solution
  • The answer key shows the steps needed to arrive at the solution
  • Resource downloads as an editable copy
Cons
  • None