Writing Equations of Circles Card Sort

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Have your children write equations for circles provided a variety of information!
Given the equation, can your students match the graph and provide other information about the circle such as its' area, circumference, center, radius?
Given the area and its' center, can your students write the equation and match the graph?
Given two points, can your students write the equation and match the graph?

This challenging card sort is a great lesson to use after introducing the topic in order to help students make connections with other previously learned topics.

I've even included my exit ticket and the Art Project that I've discussed on my blog!

Enjoy :)
Total Pages
Answer Key
Teaching Duration
30 minutes
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to see state-specific standards (only available in the US).
Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or disprove that the point (1, √3) lies on the circle centered at the origin and containing the point (0, 2).
Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation.
Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.


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