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=

Lesson Resources

circumference of a circle   Classwork
1,063
circumferrence hw   Homework
625
Circumference and Area of Circles notes   Notes
1,178

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