Area of Rectangles and Triangles

Day 2

Objectives:

  • To derive formulas for the areas of a rectangle and triangle.
  • To apply formulas to solve problems.
  • To learn how to use Pick's Formula to solve for the area of a triangle.

  • Warm Up Activity:

    Black Out

    By blackening only five squares, divide this figure into five sections of equal size and shape.

    solution


    Lesson Outline:

     


    Optional Activity :

    These students will spend the class time working on two challenges and preparing a brief presentation for the rest of the class showing the comparison of methods, and telling which is better and why.


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