Organizer
Curated OER

Calculate the Radius

For Students 6th
In this calculating radius worksheet, 6th graders find the radius of 5 circles given the circumference information. Students must write the radius on the line provided and a box is provided to them to show their work. 
Organizer
Curated OER

Calculate the Diameter

For Students 6th
In this diameter worksheet, 6th graders find the diameter of 5 circles. Students are given the formula for circumference and circumference information along with a blank box to complete their work. 
Lesson Plan
Rational Number Project

Rational Number Project: Initial Fraction Ideas

For Teachers 3rd - 6th Standards
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
Lesson Plan
Illustrative Mathematics

Two Wheels and a Belt

For Teachers 9th - 10th Standards
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Lesson Plan
Healthy Native Youth

Chapter 2: Learning About Adolescence

For Teachers 6th - 8th Standards
 The Native American symbol, The Circle of Life, represents life's spiritual, physical, mental, and emotional well being. By way of deep discussion, and two games, the lesson uses the Circle of Life to explore the stages of...
Lesson Plan
Curated OER

Literature Study of the Civil War Era

For Teachers 5th - 6th
Learn more about the Civil War. Young scholars will choose a novel based on the Civil War to learn more about the viewpoints of that time period. They will then discuss the roles of the members of a Literature Circle and then participate...
Lesson Plan
Illustrative Mathematics

Designs

For Teachers 6th - 8th Standards
A resource that makes for excellent group work as learners explore the area and perimeter of different complex designs made up of squares and circles. The commentary gives a clear definition of perimeter, but suggests that group members...
Organizer
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Super Teacher Worksheets

Literature Circle Packet

For Students 4th - 8th Standards
Looking to set up literature circles in your class? Use these materials to support pupils when they meet in groups. Pupils take on various roles over the course of reading and meet with their groups to share the work they have done on...
Lesson Plan
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ReadWriteThink

Literature Circles: Getting Started

For Teachers 3rd - 5th Standards
Make reading more enjoyable and interactive with literature circles! Here you'll find detailed lessons to begin the literature circle process. Ten lessons introduce each role learners take on. Literature circle roles include...
Handout
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Curated OER

Math Handbook: Trigonometry

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

SuperShapes, Part 1; "Tri"ing Triangles

For Teachers 5th - 6th
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Worksheet
Lane Community College

Review Sheets: Basic Mathematics 2

For Students 5th - 8th Standards
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 
Lesson Plan
Curated OER

Parts of a Circle

For Teachers 6th
Sixth graders use yarn, paper plate, and other materials to identify parts of a circle. In this parts of a circle lesson plan, 6th graders identify the circumference, radius, diameter, and other parts of a circle.
Lesson Plan
Curated OER

Conjectures of Intersecting Circles

For Teachers 9th - 10th
Students make conjectures of intersecting circles. In this geometry lesson, students observe circles and their position in space. They investigate and observe two and three dimensional objects.
Lesson Plan
Curated OER

Conjectures For Intersecting Circles

For Teachers 9th - 10th
Students identify properties of circles. In this geometry lesson, students identify the center of two intersecting circles.They use Cabri software to create circles and move it around to make observation.
Lesson Plan
National Gallery of Canada

Counting Circles

For Teachers K - 3rd
Learners look at bands of colors and estimate how many rings of color there are. While working in groups, they come up with a plan of how to accurately count the rings. They attempt to find a pattern in the colors, and decide whether...
Worksheet
Curated OER

Circles and Their Equations

For Students 6th - 7th
In this circle and their equations worksheet, students read about circles and algebraic equations, look at examples and complete exercises.
Lesson Plan
Curated OER

Growing Circles

For Teachers 9th - 12th
Students identify the equation to represent a circle. For this algebra lesson, students review properties of conics and how they are related. they use a robot to create a visual of circles and their application to the real world.
Lesson Plan
Curated OER

Circle Recognition

For Teachers K
Students find circles in a classroom. In this circles lesson plan, students find five circles throughout the classroom and learn about basic geometric shapes.
Lesson Plan
Curated OER

Circles and Pi

For Teachers 9th - 11th
Learners identify the relationship between the radius and Pi. In this geometry lesson, students calculate the circumference and area of a circle. They create visuals to help them see how the circumference relates to Pi.
Lesson Plan
Curated OER

Circle of Friends

For Teachers Pre-K - K
Students investigate the meaning of friendship and how to make friends. In this friendship lesson, students make Venn Diagrams showing the similarities and differences of characters in two stories. They discuss their own circle of friends.
Worksheet
Curated OER

All in the Circles

For Students 3rd - 4th
In this circles worksheet, students use 4 circle/pie chart graphs to answer a set of 6 questions. Answers are included on page 2.
Worksheet
Print and Practice

Squares and Circles

For Students K - 2nd
In this squares and circles worksheet, learners color the squares orange and color the circles yellow. Learners color 6 squares and 5 circles.
Worksheet
Curated OER

Circle Drill

For Students 3rd - 4th
In this math facts worksheet, students read about using the circle drill chart to practice addition facts, multiplication facts, and subtraction facts. Student use the blank chart to practice the skill.

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