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How should a cashier stock a cash register with coins? Learners use mathematical modeling and expected value to determine how many rolls of coins of each type they should place in a cash register.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Consider having class members work in groups to discuss their ideas
- It may be a good idea to discuss the answers to question one as a class as quided practice before having pupils work further
Classroom Considerations
- Basic knowledge of expected values is necessary
- Familiarity with US coins is necessary
- The teacher's guide suggests Internet access and optional spreadsheet software, so be sure these are available
Pros
- The activity includes an interesting application of mathematical modeling to a real-world situation
- Different situations are provided, requiring learners to critically analyze their own models and consider whether adjustments are necessary
Cons
- The teacher's guide refers to "Worksheet 1" and "Worksheet 2", but the student pages are not delineated as such