This is a 15-page guide for teachers. In the module the formulas for finding the circumference and area of a circle are introduced. The history and significance of the number pi is also included in this module.
The modules are written for teachers. Together with other resources, they provide the mathematical background to enable the teacher to plan the development of topics in their classrooms. This module relates to other modules of the Measurement and Geometry Strand of the Australian Curriculum.