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This The Real Numbers: Size of Infinite Sets interactive also includes:
- Identifying Sets of Real Numbers
- Student Reference
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The learning opportunities with the resource on infinity are finite, but it's still good to use. Individuals investigate the size of the set of integers and the set of even integers. Conclusion: the two sets have the same size.
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Concepts
Additional Tags
Instructional Ideas
- Have the class identify other sets with the same cardinality as the integers in a journal entry
Classroom Considerations
- Requires a free CK-12 account to access the resource
- Pupils should be aware of bijections and the cardinality of sets
Pros
- Machine-scoring of challenge questions means that users receive instant feedback
- Tutorial includes both review and challenge questions
Cons
- None