Geometric Relationships and Construction · Geometry

Circles and Pi

Discovering the constant relationship between circumference and diameter and calculating area.

Key Questions

  1. 1Why is the ratio of circumference to diameter the same for every circle regardless of size?
  2. 2How does the area of a circle relate to the area of a rearranged parallelogram?
  3. 3In what ways does understanding circles help us calculate the movement of gears or wheels?

Ontario Curriculum Expectations

ON: Spatial Sense - Grade 7
Grade: Grade 7
Subject: Mathematics
Unit: Geometric Relationships and Construction
Period: Geometry

Suggested Methodologies

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