# Equations of Circles Teacher Resources

Find Equations of Circles lesson plans and worksheets
Showing 1 - 24 of 55 resources
Lesson Planet

#### Sorting Equations of Circles 1

For Teachers 9th - 12th Standards
Round and round we go. Learners first complete a task on writing equations of circles. They then take part in a collaborative activity categorizing a set of equations for circles based on the radius and center.
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#### Sorting Equations of Circles 2

For Teachers 9th - 12th Standards
How much can you tell about a circle from its equation? This detailed lesson plan focuses on connecting equations and graphs of circles. Learners use equations to identify x- and y-intercepts, centers, and radii of circles. They also...
1 In 1 Collection
EngageNY

#### Recognizing Equations of Circles

For Teachers 9th - 12th Standards
What does completing the square have to do with circles? Math pupils use completing the square and other algebraic techniques to rewrite equations of circles in center-radius form. They then analyze equations of the form x^2 + y^2 + Ax +...
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#### Equations of Circles

For Students 10th
In this equations of circles worksheet, 10th graders solve 10 different problems that include graphing different circles. First, they convert the equations into center-radius form given the coordinates of the center of the circle and its...
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#### Scoring Guide for the Algebra 2/Trigonometry Test Sampler

For Teachers 9th - 12th
High schoolers take an Algebra II/Trigonometry sample test.  In this Algebra II/Trigonometry sample sample test lesson, students take a sample test for Algebra 2/Trigonometry.  High schoolers solve 39 multiple choice/short answer...
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#### Equations of Circles: Finding the Equation of a Circle

For Students 11th - Higher Ed Standards
It's all about location and size. With the aid of the interactive, pupils explore the relationship between the location and size of a circle and its equation. The learners use that relationship to determine the equation of a circle given...
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#### Equations of Circles: The Sea of Happiness

For Students 11th - Higher Ed Standards
Map this! Help your young mathematicians draw a circular island on a map. Given specifics of the location and size of an island on a map, pupils transform a circle to meet the given requirements. They then determine the location of the...
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#### Trigonometric Identities

For Teachers 10th - 11th
Investigate the properties of a Unit Circle, wahoo! Your class will memorize the basic identities of sine, cosine, and tangent. Then those smart cookies can investigate the negative of an angle measure using sine and cosine. Included are...
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#### Circles

For Teachers 7th - 10th
Students graph circles. In this graphing lesson plan students write equations for circles. Students solve equations for circles and graph the results.
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#### Quiz: Equations of Circles

For Students 9th - 12th
In this circles worksheet, students answer 5 questions about a circle.  Students find the center and radius of a circle given an equation.  Students determine if a point lies on the circle.
Lesson Planet

#### Equations of Circles

For Teachers 9th - 12th Standards
Using Cabri Jr. students 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.
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#### Writing Equations of Circles

For Students 10th - 12th
In this writing equations instructional activity, students examine given information and write the equation of a circle in standard form. This four-page instructional activity contains 30 problems. Answers are provided on the last page.
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#### Equations of Circles Study Guide

For Students 9th - 11th
In this equations of circles worksheet, students examine the coordinates of the center of a circle and determine the length of the radius. This one page worksheet contains seven multi-step problems.
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#### Equations of Circles Practice

For Students 10th - 12th
For this equations of circles worksheet, students find the center of a circle and identify it using coordinates.  They determine the length of a radius of a circle.  This one-page worksheet contains 10 problems.
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#### Circles in the Coordinate Plane

For Teachers 9th - 11th Standards
Make the connection between the distance formula and the equation of a circle. The teacher presents a instructional activity on how to use the distance formula to derive the equation of the circle. Pupils transform circles on the...
Lesson Planet

#### Circular Motion

For Teachers 7th - 12th Standards
Lead your class in this exciting activity to learn more about motion and its importance. Pupils learn about a centripetal and why it is required to maintain a constant speed in a circulating moving mass. They apply the equation for...
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Lesson Planet

#### SAT Prep: Test 8 Section 2 Part 1

For Students 9th - 12th
Test eight from The Official SAT Study Guide includes eighteen problems, the first four of which are featured in this video. Basic algebraic expressions, linear equations, tangent circles, and coordinates on a plane test algebra and...
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#### Module 6: Connecting Algebra and Geometry

For Teachers 9th - 12th Standards
A geometry module connects algebraic reasoning to geometry. It challenges scholars to investigate the slope criteria for parallel and perpendicular lines, prove theorems involving coordinate geometry, and write equations for circles and...
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#### Expressing Geometric Properties with Equations

For Students 9th - 11th Standards
Algebra and geometry are not interchangeable. Demonstrate why not with a series of problems that deal with the equations of circles and equations of lines that meet specific criteria.
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#### Earthquake Problem

For Teachers 9th - 12th Standards
Shake up things in the classroom. The unit uses earthquakes to bring a real-life connection to finding arc lengths, logarithms, and equations of circles. Small groups determine whether particular towns would have felt an earthquake after...
Lesson Planet

#### Equations of Circles

For Students 10th - 12th
In this equations of circles worksheet, given the radius and the center point, students write the equations of circles. This two-page worksheet contains ten problems.
7:10
Lesson Planet

#### Sketch the Graph of a Circle

For Students 11th - Higher Ed Standards
Feel like you're going in circles? The fifteenth lesson in a series of 29 videos gives pupils a resource for writing equations of circles in standard form. Once in standard form, the instructor graphs the circle.
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#### Algebra II - Lesson 10-3: Circles

For Students 9th - 12th
In this equations of circles worksheet, high schoolers solve 4 short answer problems. Students find an equation of a circle given the center and radius.
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#### Math 53 Worksheet: Parametric Equations

For Students 11th - 12th
In this parametric equations worksheet, students solve 8 short answer multi-step equations. Students find parametric equations to represent equations of circles. Students find arc length of parametrized curves.