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This A Golden Crown? assessment also includes:
In this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
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CCSS:
Designed
Additional Tags
Instructional Ideas
- Use actual values for the density of gold and silver to make the task more real
- Have the class investigate the method Archimedes used to solve the problem
Classroom Considerations
- Learners must know how to solve systems of equations in addition to using proportional reasoning
Pros
- Simple, straightforward task makes for easy lesson planning
Cons
- Rubric is confusing, particularly in regards to partial credit scoring
- Task references Archimedes but does not show how Archimedes solved the problem