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Lesson Plan
Curated OER

Geometry of Circles: Week 7

For Teachers 10th - Higher Ed
In this circle worksheet, pupils determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
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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...
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Interactive
Curated OER

Ten Multiple-Choice Circle Problems

For Students 9th - 10th
In this circle worksheet, learners solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle.  The solutions are provided by clicking on the "show answers" button on the bottom of the page.
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Lesson Plan
Curated OER

Circle Relationships

For Teachers 8th - 10th
Students explore circles.  In this geometry instructional activity, students explore the relationship between the circumference of a circle, the distance a ball travels, and the number of rotations the ball must make in order to travel a...
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Unit Plan
Mathematics Vision Project

Module 6: Trigonometric Functions

For Students 9th - 12th Standards
Create trigonometric functions from circles. The first lesson of the module begins by finding coordinates along a circular path created by a Ferris Wheel. As the lessons progress, pupils graph trigonometric functions and relate them to...
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Lesson Plan
Curated OER

Circles

For Teachers 5th
Fifth graders investigate the concept of finding the circumference of a circle. They demonstrate why the formula works with a hands on experiment. There is detailed instructions for carrying out the technical portions of the experiment.
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Assessment
Concord Consortium

Circling

For Students 11th - 12th
Come full circle in learning about conic sections. Learners first look at the type of conic section formed when concentric circles intersect a standard coordinate plane. They then see which type forms when two sets of concentric circles...
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Lesson Plan
Curated OER

Looking at Circumference

For Teachers 6th - 8th
Students understand where the number for pi comes from. They understand and use the formula for circumference. Students measure the circles given out and the diameters of those circles and record the results on their worksheet.
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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve and complete 45 different problems. First, they find the measure of each numbered angle given the arc measures as indicated. Then, students write their response on the lines provided.
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Worksheet
Curated OER

Circle and Rectangle

For Students K - 1st
In this circle and rectangle worksheet, students identify a circle and connect-the-dots from number one to number ten to draw a rectangle. Students problem solve one dot-to-dot activity.
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Lesson Plan
EngageNY

Tangent Segments

For Teachers 9th - 12th Standards
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
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Lesson Plan
Willow Tree

Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The activity challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
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Lesson Plan
EngageNY

Secant Angle Theorem, Exterior Case

For Teachers 9th - 12th Standards
It doesn't matter whether secant lines intersect inside or outside the circle, right? Scholars extend concepts from the previous lesson to investigate angles created by secant lines that intersect at a point exterior to the circle....
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Lesson Plan
EngageNY

Tangent Lines and the Tangent Function

For Teachers 11th - 12th Standards
Construct tangent lines and make the connection to tangent functions. An informative lesson reviews the geometry origins of the tangent function. Pupils use that information to determine how to construct a tangent to a circle from a...
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Lesson Plan
EngageNY

Decimal Expansion of Pi

For Students 8th Standards
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges. 
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Lesson Plan
Curated OER

Holocaust Literature Circle Discussion

For Teachers 7th
Seventh graders participate in a literature circle regarding various novels of Holocaust literature. They read their selected novel and write a journal entry in response to the reading, and in small groups participate in a group...
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Lesson Plan
Curated OER

Literature Circle Preparation

For Teachers 5th - 6th
In this literature circle preparation worksheet, students draw a picture of something important in the story, summarize what they read, answer a teachers question, and write two new words they learned. Students answer a total of...
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Worksheet
Curated OER

Understanding the Circular Flow of the Macroeconomy

For Students 11th - Higher Ed
In this Circular Flow activity, students label or explain each of twelve flows shown in a model, then answer several in-depth questions about each.
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Worksheet
Curated OER

Circle Drills: Addends 1-4

For Students 1st
In this math worksheet, 1st graders complete 4 addition circle drills using the addends 1 through 4. They add the numbers to a second single digit addend to find the sums.
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Worksheet
Curated OER

Circle Me!

For Students 2nd - 3rd
In this equations worksheet, students circle the addition equation that equals the number given to them. Students complete 5 multiple choice questions.
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Worksheet
Curated OER

Ratios: colored circles

For Students 3rd - 5th
In this ratio worksheet, students answer short answer questions about the ratio of colored circles to one another. Students complete 9 problems.
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Worksheet
Curated OER

Standard Form of a Circle

For Students 8th - 10th
In this algebra worksheet, students write equations for a circle on a graph or using a radius. They find intersections and points on a graph.
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Interactive
Curated OER

Circles

For Students 10th
For this geometry worksheet, 10th graders determine the circumference and area of a circle given either the diameter or the radius. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Assessment
Mathematics Assessment Project

Temple Geometry

For Students 8th - 10th Standards
Temper your excitement of temple geometry. Using algebraic and geometry concepts to determine various measurements in a circle diagram, scholars determine the shaded area of the diagram.

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