L.O. 3: Perimeter II (Circles)

We are learning to calculate the perimeter (or circumference) of given circles.

Step 1: Explanation

Step 2: Developing Your Understanding

Your notes should include the following:

  • What is "circumference"?

  • What is the difference between the "radius" and "diameter"?

  • What is the "formula" for calculating the circumference of a "circle" and "semi-circle"?

  • Give an example of how to calculate the circumference of a given circle-based shape.

  • Give an example of how you can use algebra to work backwards to find part of the perimeter.

Step 3: Practice the "Skill"

Step 4: Enrich your Understanding

Step 5: Reflection

Our Learning Objective was: "We are learning to calculate the perimeter (or circumference) of given circles". Please think about the following.

  • Can you do this?

  • What are your strengths and weaknesses?

  • How can you improve your weaknesses?

Monitoring Your Progress (Answers)