Lesson: Finding the Circumference and Area of a Circle
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Lesson Objective
Students will analyze circles in order to calculate the Circumference and area of a circle.
Lesson Plan
Engagement (Warm Up) 2 min.:
Quick Write:
Is a circle a polygon? Explain
Students should infer that a circle is not a polygon because it is round. It does not have vertices or sides. It is not two dimensional.
Exploration (Notes) 20 min.:
See notes pages
Explanation (Instructional/Classowrk) 25 min.:
Wkst Circumference
Elaboration(Homework) 15 min.:
Students will have practice finding the Area and Circumference of circles.
Area and Cricumference Wkst.
Evaluation (Closing) 5 min.:
Exit Ticket:
What is the area and circumference of a circle with a radius of 5 ft.?
A=
C=
Quick Write:
Is a circle a polygon? Explain
Students should infer that a circle is not a polygon because it is round. It does not have vertices or sides. It is not two dimensional.
Exploration (Notes) 20 min.:
See notes pages
Explanation (Instructional/Classowrk) 25 min.:
Wkst Circumference
Elaboration(Homework) 15 min.:
Students will have practice finding the Area and Circumference of circles.
Area and Cricumference Wkst.
Evaluation (Closing) 5 min.:
Exit Ticket:
What is the area and circumference of a circle with a radius of 5 ft.?
A=
C=
Lesson Resources
circumference of a circle Classwork 
913

circumferrence hw Homework 
545

Circumference and Area of Circles notes Notes 
1,031

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