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Is there a person on Earth who has the same exact number of body hairs as you? The video describes a process using the Pigeonhole Principle to prove that this is definitely possible. The film goes on to consider other examples and variations of the Pigeonhole Principle.
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Concepts
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Instructional Ideas
- Have the class come up with their own applications or examples of the Pigeonhole Principle
- See if it is possible to get the book mentioned in the video
Classroom Considerations
- Note that the world population statistic quoted in the video is no longer current
- This video is hosted on YouTube
Pros
- Odd question will pique curiosity
- Interesting animations and graphics
Cons
- None