This Circle Reasoning lesson plan also includes:
- Circle Reasoning (.doc)
- Circle Reasoning (.ppt)
- Circle Reasoning—Activity 1
- Circle Reasoning—Activity 2
- Circle Reasoning—Activity 3
- Circle Reasoning—Visual Aid
- Circle Reasoning—Closure
- Circle Reasoning—Summative Assessment
- Circle Reasoning—Extra Practice Completing the Square
- Join to access all included materials
Derive the equation of a circle using the Pythagorean Theorem. Pupils then use the equation to graph circles on a coordinate plane. Their final activity provides information about a circle such as an equation, center, radius, or two points, and then asks learners to find the missing information.
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CCSS:
Designed
Instructional Ideas
- Have pupils draw their own circle of any size on graph paper using a compass; measure the length of the radius using a ruler to create an equation
- Use the summative assignment as board work to check for understanding efficiently
Classroom Considerations
- Requires a proficiency with using the Pythagorean Theorem and/or distance formula
Pros
- Includes all handouts and answer keys
- Provides an opportunity to practice the steps that lead to writing the equation of a circle
Cons
- None
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