Curated OER
Equations of Circles
Students will define circle and radius. In this radius lesson, students are given a circumference, they will write an equation and sketch the circle. Students will match graphs of circles to their equations.
5280 Math
Pythagorean Triples
From Pythagorean triples to the unit circle. Learners use the Pythagorean Theorem to find Pythagorean triples and then relate their work to the unit circle in a fun algebra project. Their discovery that x^2+y^2 is always equal to one on...
Concord Consortium
Circumscribed Polygon
Trigonometry teachers often go off on a tangent, and here's a worksheet that proves it! First, young mathematicians use a formula with tangent to prove a formula correct for area. Then, they draw conclusions about the area of a circle...
Mathematics Assessment Project
Inscribing and Circumscribing Right Triangles
High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve their...
Raytheon
Geometry: Circles
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
Curated OER
Circles and Parabolas
In this circles and parabolas, students write and graph equations for 14 problems. Students locate the center and radius for 8 circles. Students write equations for 4 parabolas.
Curated OER
Graphing and Properties of Circles
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.
Curated OER
Linear Equations
In this algebra worksheet, students solve linear equations through graphing and the use of formulas. There are 34 questions ranging from addition and subtraction of linear equations to graphing and substitution.
Curated OER
Solving Radical Equations
In this Algebra I/Algebra II learning exercise, students solve radical equations. The two page learning exercise contains a combination of thirteen multiple choice and free response questions. The answers are included.
Curated OER
Solving Literal Equations: Worksheet SE4
In this solving literal equations worksheet, students solve 30 equations. Students solve each equation for a given variable, but do not solve for a number answer.
Curated OER
Altitudes and Orthocenters: Making Connections to the Nine-Point Circle
Students practice various equations for constructing nine-point circles for triangles.
Mathematics Vision Project
Module 6: Connecting Algebra and Geometry
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...
Illustrative Mathematics
Coins in a Circular Pattern
What starts as a basic question of division and remainders quickly turns abstract in this question of related ratios and radii. The class works to surround a central coin with coins of the same and different values, then develops a...
Curated OER
Graphing Equations in Space
In this equations in two/three-dimensional space worksheet, students practice solving equations involving two/three-dimensional space configurations and finding the center and radius of spheres in twenty-six equations and two word problems.
Curated OER
Math Handbook: Trigonometry
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas.
Radford University
Earthquake Problem
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...
Curated OER
Hyperbolas: Sketching from the Equation
In this algebra worksheet, young scholars sketch graphs of hyperbolas after solving equations to standard form and interpreting the center, vertices, foci, axis, asymptotes, and eccentricity from the equation. There are 58 questions.
Curated OER
Circle multiplication: 7s and 8s
Learning tools are invaluable. Teach your Autistic or special needs pupils how to multiply by 7s and 8s. They will use the circles to match the correct answer to the correct single-digit equation. Great for reinforcing multiplication...
Curated OER
Geometry In Space
Students Fulfill the requirements of Texas Standards as it relates to math and science. In this circle lesson, students identify the arcs and angles of a circle as it relates to Pi. They solve real life scenarios using space as an example.
Curated OER
Equation of a Circle
Students write the equation of a circle. In this geometry instructional activity, students check the solution of a coordinate pair by evaluating them. They graph the circle given the equation and radius.
Virginia Department of Education
May I Have Fries with That?
Not all pie graphs are about pies. The class conducts a survey on favorite fast food categories in a lesson plan on data representation. Pupils use the results to create a circle graph.
EngageNY
End-of-Module Assessment Task - Algebra 1 (Module 1)
What do your young geniuses really know? Assess the procedural knowledge of your pupils at the same time as their higher-level thinking with an assessment that identifies their depth of knowledge. Topics include solving...
Curated OER
Graphs of Circles
In this graphs of circles worksheet, 10th graders solve and graph 10 different problems related to graphing various types of circles. First, they write the equations of a circle with a given center and radius. Then, students determine...
Curated OER
Graphs of Circles
In this graphs of circles worksheet, 10th graders solve 10 different problems that include the graphs of circles with various measurements. First, they write the equation of a circle whose diameter is a given number and whose center is...