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Lesson Plan
Curated OER

Circles And Cylinders

For Teachers 6th - 8th
Students investigate some of the mathematical concepts involved in the study of circles. They first practice finding the circumference of a circle by finding the diameter and performing the calculation. The lesson delivery is done using...
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Worksheet
Curated OER

Blank Circles

For Students 5th - 8th
In this circles worksheet, students complete the radius, diameter, and circumference for each circle with one answer given to them. Students complete 4 problems.
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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.
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Interactive
Curated OER

Circumference of Circle Worksheets

For Students 6th - 12th
In this online math worksheet, students determine the circumference of a variety of circles given their diameter. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Worksheet
Curated OER

Exploring Circles

For Teachers 10th
In this exploring circles worksheet, 10th graders solve 10 different types of problems that are related to determining the different measures of a circle. First, they define a circle and its center. Then, students refer to the given...
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Worksheet
Curated OER

Graphs of Circles

For Students 10th
In this graphs of circles instructional activity, 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...
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Worksheet
Curated OER

Graphs of Circles

For Students 10th
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...
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Lesson Plan
Curated OER

Consistent Circles

For Teachers 8th - 12th
Pupils create a design of a circle. In this geometry lesson, students identify the measure of the diameter and radius of a circle. They graph and analyze their collected data and write equations based on direct variation.
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Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. In this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
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Lesson Plan
Curated OER

Circles Minilab

For Teachers 3rd - Higher Ed
Students learn how to measure the diameter and circumference of a circle. For this circle lesson, students organize their data to create a graph. Students utilize their graph to make an inference about the slope of pi.
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Interactive
Curated OER

Ten Multiple-Choice Circle Problems

For Students 9th - 10th
In this circle learning exercise, students 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...
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Lesson Plan
Curated OER

Radius, Diameter and Circumference

For Teachers 8th - 10th
In this circle worksheet, students use a drawing of a circle. The diameter is given. Students find the radius, circumference and area of the circle. On the second problem, students are shown a circle with a hole inside it. They compute...
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Lesson Plan
Curated OER

Equations of Circles

For Teachers 10th - 12th
Young scholars will define circle and radius. In this radius lesson plan,  students are given a circumference, they will write an equation and sketch the circle. Young scholars will match graphs of circles to their...
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Worksheet
Curated OER

Exploring Circles

For Students 10th
In this exploring circles worksheet, 10th graders solve 12 different types of problems related to measuring circles in geometry. First, they refer to the figure on the sheet to name the center point, the three radii of the circle, the...
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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...
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Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Students identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.
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Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, pupils solve 14 problems in which they calculate the diameter, radius, circumference and area of circles. There are no examples or formulas provided on this page; prior knowledge is assumed.
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Worksheet
Curated OER

Leveled Problem Solving Circumference of a Circle

For Students 6th
In this geometry instructional activity, 6th graders solve 6 word problems in which they find the circumference of items that are circles. They find the circumference of items such as a basketball hoop, a cereal bowl, and a circular frame.
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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve and complete 10 different problems that include various parts of a circle. First, they write the name of the designated coordinates in each. Then, students determine the diameter, chord,...
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Worksheet
Curated OER

Tangents and Circles

For Students 10th
In this tangents and circles instructional activity, 10th graders solve 10 different problems that include various tangents and circles. First, they determine in each diagram whether the segments shown are tangents or not. Then, students...
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Worksheet
Curated OER

Arcs in Circles

For Students 10th
For this arcs in circles worksheet, 10th graders identify 10 different circles and the measurement of their arcs. First, they determine the length of a minor arc to the nearest integer. Then, students determine the radius of a circle...
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Lesson Plan
Curated OER

Crop Circles

For Teachers 5th - 8th
Students calculate the area and circumference of a circle. In this geometry lesson, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.
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Worksheet
Curated OER

Circles

For Students 10th
In this circles worksheet, 10th graders solve 10 different problems that include determining various types of circles. They write the standard form of the equation of the circle with the given radius and center. Then, students solve each...
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Worksheet
Curated OER

Quiz: Angles in Circles - Angles Outside the Circle

For Students 10th - 11th
In this angles in circles worksheet, students explore angles outside a circle. Using given trigonometric ratios, they find the missing angle measurement or the length of a line. This one-page worksheet contains ten problems.

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