Lesson Plan
Illustrative Mathematics

The Circle and The Line

For Teachers 8th - 12th Standards
Here is a resource where algebra learners show their understanding of a system of equations involving a circle and a line. Once graphed, learners see two points of intersection, one where the ordered pair is read, and a second where...
Activity
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Curated OER

Explaining the equation for a circle

For Teachers 9th - 12th Standards
By first starting with an explicit example of a radius and center point, this challenging lesson tries to help high schoolers gain an understanding of the Pythagorean theorem and the equation of a circle. Once they have accomplished the...
Worksheet
Curated OER

Graphing and Properties of Circles

For Students 9th - 12th
In this circles worksheet, student solve 18 circles problems in graphing and short answer format.  Students find the equation of a circle given the center and radius and vice versa.  Students graph circles given their equation.
Lesson Plan
Curated OER

Equations of Circles

For Teachers 9th - 12th Standards
Using Cabri Jr. young scholars construct a circle and determine the equation of the circle they drew by finding the center and the radius. Students use the distance formula to derive the equation of their circle.
Worksheet
Curated OER

Conic Sections and Nonlinear Systems of Equations

For Students 8th - Higher Ed
In this conic sections and nonlinear equations worksheet, students solve 25 multiple choice problems. The worksheet is a review of the conic sections and nonlinear systems chapter of an intermediate algebra course, so the topics vary...
Lesson Plan
Curated OER

Circles

For Teachers 11th - 12th
Young scholars review the definition of a circle and the general formula for a circle to specific problems. They also write the equation for a circle given the center and radius of the circle. Students then define a circle using either...