Day III. Wednesday (June 4, 2003)

Morning Session

A. Participants engage in Triangle Investigations.

Participants should choose investigations that involve:

  • Classifying triangles according to their properties (e.g. acute, obtuse, right, isosceles, equilateral, equiangular, scalene)
  • Solving problems involving the area and perimeter of triangles
  • Making graphical representations of triangles and shapes composed of triangles
  • Using Pythagorean Theorem, right triangle rules (30-60-90, 45-45-90) and ratios for sine, cosine and tangent of angles to solve problems

Choose from recommended investigations concerned with classifying and investigating a variety of triangles

B. Choose from investigations focused on area, perimeter, and trigonometry with triangles

C. Journal

Afternoon Session

A. Participants add write-ups to their online portfolios
B. Introduction of the spreadsheet program

Triangle investigations using the spreadsheet program:

C. Journal


Additional Resources for Day III

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