Worksheet
Curated OER

Spinning in Circles

For Students 9th - 12th
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...
Lesson Plan
Curated OER

Circles and Angles

For Teachers 9th - 11th
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.
Worksheet
Curated OER

Perimeter and Area

For Students 9th
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...
Lesson Plan
Curated OER

Towers of Steel

For Teachers 9th - 11th Standards
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...
Worksheet
Curated OER

Verbal and Algebraic Expressions

For Students 8th - 9th
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...
Interactive
Curated OER

All About Circles

For Students 6th - 8th
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Lesson Plan
Curated OER

Geometry of Circles - Week 7 (Area & Circumference)

For Teachers 12th - Higher Ed
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...
Lesson Plan
Curated OER

Graphing Parabolas and Circles

For Teachers 9th - 11th
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.
Interactive
Curated OER

Making Circle Graphs

For Students 5th - 8th
In this circle graphs worksheet, students answer multiple choice questions about how to make circle graphs. Students answer 10 questions total.
Lesson Plan
Curated OER

Unit Circle and Triangle

For Teachers 9th - 11th
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.
Assessment
EngageNY

Algebra II Module 2: Mid-Module Assessment

For Students 10th - 12th Standards
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.
Assessment
1
1
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Target F

For Teachers 7th Standards
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...
Activity
Illustrative Mathematics

Satellite

For Teachers 9th - 11th Standards
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...
Activity
101 Questions

Trashketball

For Teachers 9th - 12th Standards
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...
Lesson Plan
Curated OER

Geometry: Area, Scale Factor, Circumference

For Teachers 5th - 8th
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.
Worksheet
Curated OER

Algebra Review For Grade 6

For Students 6th - 7th
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.
Lesson Plan
Curated OER

Equations of Circles

For Teachers 10th - 12th
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.   
Lesson Plan
Curated OER

Math and Circumference

For Teachers 6th
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...
Worksheet
Curated OER

Three Tangent Circles

For Students 9th - 12th
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.
Worksheet
Curated OER

Attributes of Shapes

For Students Pre-K - 1st
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...
Lesson Plan
Beacon Learning Center

The Fun Polygon

For Teachers 4th - 6th Standards
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...
Worksheet
Curated OER

Circles and Cylinders

For Students 10th
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,...
Worksheet
Curated OER

Circles in Circles

For Students 4th - 5th
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.
Lesson Plan
Curated OER

Finding The Circumference Given The Radius

For Teachers 6th - 7th
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.