Geometry and Spatial Reasoning · Geometry

Circles and Pi

Understanding the relationship between radius, diameter, and circumference.

Key Questions

  1. 1Why is the ratio of a circle's circumference to its diameter always constant?
  2. 2How would our ability to build and engineer change if we didn't understand Pi?
  3. 3What is the difference between the area of a circle and its perimeter?

NCCA Curriculum Specifications

NCCA: Primary - Shape and Space
Class/Year: 6th Year
Subject: Mastering Mathematical Reasoning: Year 6
Unit: Geometry and Spatial Reasoning
Period: Geometry

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Browse curriculum by country

AmericasUSCAMXCLCOBR
Asia & PacificINSGAU