Loci Part 3

New Review

How do you use a scale drawing to find the region in a lake where a treasure is located? The narrator of a short video problem identifies three criteria to determine the location of the treasure. Using a compass and ruler, he determines the region where the treasure is located.

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Instructional Ideas

  • Use different colors of pencils to shade each region with the overlapping colors to show the solution
Classroom Considerations

  • Pupils should be comfortable working with scale drawings
  • Assumes individuals know how to construct a perpendicular bisector
Pros

  • Describes the construction that meets the criteria prior to performing the construction
  • Contains templates to use for work
Cons

  • None