Curated OER
Spinning in Circles
In this secondary mathematics learning exercise, students determine the speed at which we travel a circle around the axis of the earth and around the sun.  The one page learning exercise contains one problem. A solution is...
Curated OER
Circles and Angles
Young scholars identify tangents, chords and secants. In this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
Curated OER
Perimeter and Area
In this perimeter and area worksheet, 9th graders solve 17 various types of problems, mostly word problems related to determining the area or perimeter of a geometric shape. They also determine the area and perimeter of shaded portions...
Curated OER
Towers of Steel
This lesson starts with geometers discussing how to find the volume of a cone and pyramid, using what they know about the volume of a cylinder or prism. Then, using the formulas, they calculate the volume of cones and...
Curated OER
Verbal and Algebraic Expressions
For this expressions worksheet, students solve and complete 30 various types of problems that include defining both verbal and algebraic expressions. First, they translate each verbal expression into an algebraic expression and vice...
Curated OER
All About Circles
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Curated OER
Geometry of Circles - Week 7 (Area & Circumference)
In this circle worksheet, students solve problems involving the circumference, area and arc length in a circle.  They explore the union of circles and semicircles, as well as the line segments tangent to the circle.  This two-page...
Curated OER
Graphing Parabolas and Circles
Students graph parabolas and circles. In this algebra lesson plan, students create a table of values and graph the coordinate pairs to create a graph. They graph a circle using the radius and center.
Curated OER
Making Circle Graphs
In this circle graphs worksheet, students answer multiple choice questions about how to make circle graphs. Students answer 10 questions total.
Curated OER
Unit Circle and Triangle
Students apply the Unit Circle to solve ratios of triangles. In this geometry activity, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.
EngageNY
Algebra II Module 2: Mid-Module Assessment
Time for classes to show what they've learned. Use several tasks to assess understanding of the trigonometric functions, unit circle, radians, and basic trigonometric identities.
CCSS Math Activities 
Smarter Balanced Sample Items: 7th Grade Math – Target F
Sometimes it's how you ask the question that counts. The sixth installment of nine from the Smarter Balanced Claim 1 Slideshow series presents a set of 13 questions to assess understanding of angle relationships as well as area and...
Illustrative Mathematics
Satellite
Learners practice relating rules of trigonometry and properties of circles. With a few simplifying assumptions such as a perfectly round earth, young mathematicians calculate the lengths of various paths between satellite and...
101 Questions
Trashketball
Take a shot using a lesson on volume! Young learners watch a video showing a trashcan filling with paper balls. The task is to calculate the number of paper balls that will fit in the can. Pupils use volume calculations to make a...
Curated OER
Geometry: Area, Scale Factor, Circumference
In this geometry worksheet, students solve 10 problems regarding area, scale factors, and circumference. Students, in 3 of the problems, are given the circumference and asked to work backwards to find missing information.
Curated OER
Algebra Review For Grade 6
Use this algebra worksheet as a review for your charges. Learners answer 10 multiple choice questions about sixth grade math, not interactively, with answers available online.
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. 
 
Curated OER
Math and Circumference
Sixth graders explore geometry by utilizing mathematical formulas. In this circumference lesson, 6th graders identify the difference between diameter, circumference and radius in a circle. Students review the formulas for finding...
Curated OER
Three Tangent Circles
In this tangent circles worksheet, students use pi to solve a problem involving tangent circles.  This one-page worksheet contains 1 problem.  The answer is provided at the bottom of the page.
Curated OER
Attributes of Shapes
There are five shapes for scholars to identify: rectangle, circle, square, trapezoid, and triangle. Although there isn't much here, consider projecting this as an all-class warm up. Ask kids to verbalize attributes of each...
Beacon Learning Center
The Fun Polygon
Junior geometers use hands-on manipulatives to explore and describe the properties and attributes of a fundamental polygon, the triangle. They learn different kinds of angles and their measurements. This well-written lesson plan provides...
Curated OER
Circles and Cylinders
In this circles and cylinders learning exercise, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then,...
Curated OER
Circles in Circles
In this circle worksheet, students use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
Curated OER
Finding The Circumference Given The Radius
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
