Geometry and Spatial Reasoning · Geometry and Measurement

Area of Polygons

Finding the area of triangles and quadrilaterals by decomposing them into simpler shapes.

Key Questions

  1. 1How is the area of a triangle related to the area of a rectangle with the same base and height?
  2. 2Why can any polygon be decomposed into triangles to find its total area?
  3. 3How does changing one dimension of a shape affect its total area?

Ontario Curriculum Expectations

ON: Spatial Sense - Grade 6
Grade: Grade 6
Subject: Mathematics
Unit: Geometry and Spatial Reasoning
Period: Geometry and Measurement

Suggested Methodologies

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