Instructional Video

Mind-Boggling Hiker Riddle

Curated and Reviewed by Lesson Planet
This Mind-Boggling Hiker Riddle instructional video also includes:

One short riddle can make for some great brainstorming! Introduce young scientists to the hiker riddle with a video from the Physics Girl playlist. The puzzle involves a hiker walking due south, then due east, then due north in one-mile increments ... only to end up where they began!

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Have some globes on hand so the class can trace their ideas as they work toward a solution
  • After puzzling through Part 1, show Part 2 to let pupils check their answers
Classroom Considerations
  • Provide some support with Earth's circumference at different latitudes if learners seem to be stuck
  • This video is hosted on YouTube
Pros
  • The riddle is very entertaining in that there are multiple, less-obvious solutions
  • Discussions during the video illustrate different problem-solving styles
Cons
  • None
Common Core