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Circles Area Perimeter and Circumference
In this circles activity, students calculate to find the area, radius, circumference and perimeter of circles. A reference web site is given for additional activities.
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Radius, Diameter and Circumference
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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Area and Circumference of Circles
Learners view two PowerPoints and practice computing the area and circumference of circles. They must use given formulas to make their computations. The lesson includes links to both PowerPoints as well as a worksheet (with answer key).
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Circumference and Area of Circles
In this circles worksheet, students use given radius or diameter measurements and find the circumference and area of circles to one decimal place.
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Perimeter and Circumference
Students understand the definitions for perimeter and circumference and know the difference. They then go over sample problems as a class. Students use drill and practice skills to complete activity pages.
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Making a Six-pointed Star
In this polygon worksheet, students identify and create a six-pointed star by completing 6 steps. First, they use a compass to trace a circle with a given radius. Then, students draw a point on circumference of the circle and place the...
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Circles: Geometry Review Worksheet
Tenth graders solve and complete 14 different geometry problems. First, they find the area and circumference of a circle with a given radius. Then, they find the area between a circle and an inscribed equilateral triangle given the...
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Similar Triangles and Trapezoids, and Circles
High schoolers answer two problems involving area of shaded regions. High schoolers then answers six questions involving perimeter, area, and circumferences. The remaining two questions involve ratios of similar figures.
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Circumference of Circle Worksheets
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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Circumference of Circle
In this circumference instructional activity, students find circumference. Radius and diameter are given, as well as an answer key. Workspace is provided.
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Circumference of a Circle
In this circumference of a circle activity, 10th graders solve 10 different problems that include various illustrations of circles. First, they multiply pi by the given diameter of the circle. Then, students determine the radius by...
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Calculate the Radius
In this radius instructional activity, students calculate the radius of a circle when the area is given to them. Students complete 5 problems total.
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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.
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Circumference, Diameter, Radius
Sixth graders will determine the circumference, diameter, and radius of a circle. In this circle lesson plan, 6th graders will measure the appropriate amount to find these measurements on circles.
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Finding the Circumference and Area of a Circle
Sixth graders discover what circumference is. In this measurement lesson, 6th graders identify the radius and diameter of different circles. Students discover how to find the area of a circle using the radius and diameter.
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Circle Area, Perimeter and Circumference
In this area, perimeter, and circumference worksheet, students 7 questions that require them to fill in 7 blank circles with the information they are provided and calculate the desired answers.
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Circumference and Area
In this geometry worksheet, middle schoolers answer 10 questions regarding, circumference, area, time, calculating the radius if given a diameter, and polygon recognition.
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Leveled Problem Solving Circumference of a Circle
In this geometry worksheet, 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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Circles: Finding Circumference
For this circles worksheet, high schoolers find the circumference of 20 circles. Students find the circumference given the radius, diameter, and area of various circles.
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Perimeter and Circumference
In this perimeter and circumference worksheet, students observe diagrams and determine their perimeter or circumference. Diagrams include triangles, circles, parallelograms, rectangles, and composite figures. This one-page worksheet...
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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...
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Perimeter and Circumference
Students consider perimeter and circumference. In this lesson on perimeter, students will determine relationships between perimeter and circumference using real life examples.
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Circles: Circumference and Area
In this circle instructional activity, students calculate the circumference and area of given circles. They determine the perimeter of a shaded area, and give explanations to support problems. This two-page instructional activity...
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Radius, Diameter and Area
Young scholars identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.