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Circle Circumference and Area Workshop

Learn how to find the circumference and area of circles through interactive activities and engaging lessons. Discover the concepts of radius, diameter, and π while practicing solving equations and formulas. Get ready for a fun learning experience!

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Circle Circumference and Area Workshop

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  1. Materials Reminders

  2. Get out your agenda if you see your name below. You need to come to my room tomorrow.

  3. Musical Math Solve the following equations for x.

  4. Cornell Notes Topic: 7-1 Circumference and Area of Circles Essential Question(s): How do I find the circumference and area of circles?

  5. Discovery Activity In groups of two, use the plastic circles, a ruler and some creativity to fill in the following worksheet. Once you have filled in the circumference and diameter of each circle, wait for instructions.

  6. Questions: Notes: Cornell Notes What is a circle? Circle – the set of all points in a plane that are the same distance from a center point. Example: Radius – the distance from the center point to the circle. Example: What is the radius of a circle? What is the diameter of a circle? Diameter – the distance of a line that extend from one edge of the circle to another edge and goes through the center Example:

  7. Questions: Notes: Cornell Notes What is π (pi)? π - the ratio of a circle’s circumference to its diameter; 3.1415926…; a commonly used approximation is 3.14 Example: Circumference (C) – the distance around the circle Formula: What is the circumference of a circle? What is the area of a circle? Formula:

  8. Finding the area of a circle. Click Here

  9. Concept Check With your elbow partner, used a WHITE BOARD and explain to each other how to solve the following problems. Find the circumference of a circle if: The diameter is 6 feet The radius is 11.7 meters Find the area of a circle if: The diameter is 6 feet The radius is 11.7 meters

  10. Homework Pages 355-357; 8-25 and 35-37 AND Cornell Notes Summary

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