Going around in circles trying to find a resource on sectors of circles? Here is an activity where pupils first complete an assessment task to determine the areas and perimeters of sectors of circles. They then participate in an activity organizing domino cards in a flow chart based on relationships in the radii, areas, and perimeters of sectors of circles.

Concepts

circles, area of circles, sectors, arcs, circumference

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Additional Tags

math

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Instructional Ideas

• Use the resource as an assessment activity

Classroom Considerations

• Learners need to be able to work in radian measure
• Note that the resource indicates the assessment tasks should be given to the class a few days before the main lesson

Pros

• Teacher guide has detailed solutions
• A list of guiding questions addresses common issues encountered by learners

Cons

• No real-world applications

Common Core

HSA-SSE.A.1.a HSA-SSE.A.2 HSA-CED.A.2 HSG-C.B.5 MP1 MP2 MP3 MP4 MP5 MP6 MP7 MP8