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Worksheet
Curated OER

Perimeter, Circumference and Area

For Students 9th - 11th
In this measurement worksheet, students identify the area, perimeter and circumference of a diagram. They also find the size of a pond based on the diagram shown on the sheet. Finally, students calculate how much carpet is needed to be...
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Lesson Plan
Curated OER

To the Moon

For Teachers 6th - 12th Standards
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
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Worksheet
Curated OER

Area Of Circles

For Students 5th - 8th
In this math worksheet, students complete 23 problems where they find the area of circles when the radius, diameter, or circumference is given. Examples are given in this well-designed worksheet.
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Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry worksheet, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive worksheet contains ten questions. Answers and  hints are included. 
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Worksheet
Curated OER

Cylinders and Cones Homework

For Students 9th - 12th
In this geometry worksheet, students solve for the volume or surface area of cones and cylinders given the radius, diameter, or height. There are 25 questions.
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Worksheet
Curated OER

Circles Area Perimeter and Circumference

For Students 5th - 6th
In this circles worksheet, 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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Interactive
Curated OER

Circles

For Students 10th
In 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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Interactive
Curated OER

Cones

For Students 10th
In this geometry learning exercise, 10th graders determine the volume of a cone, given either the diameter or radius and the height. The one page interactive learning exercise contains ten questions. Answers and hints are included. 
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Worksheet
Curated OER

Surface Area of Hemisphere Worksheet B

For Students 8th - 10th
Learners determine the surface area of a hemisphere, given the diameter or the radius. This two page activity contains eight multi-step problems. Answers are provided on the last page.
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Lesson Plan
Curated OER

Light Beam

For Teachers 8th - 10th
Students measure and convert between units. In this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
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Lesson Plan
Curated OER

Circumference and Area of a Circle

For Teachers 10th - 11th
Students investigate the area and circumference of a circle. In this geometry lesson plan, students estimate and measure the radius, diameter and circumference of a circle. This assignment has an online part that is interactive.
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Lesson Plan
Curated OER

Finding PI

For Teachers 9th - 12th
Students select and use appropriate operations, methods and tools to compute or estimate using whole numbers. They develop and use formulas for determining the circumference and area of circles. Students determine and describe the...
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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

Circle Packing

For Teachers 9th - 10th
Students identify different parts and properties of circles. In this geometry lesson, students identify the radius, diameter, semicircle and inscribed angle of a circle. They identify the tangent lines to a circle.
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Lesson Plan
Curated OER

Mathematics In You

For Teachers 5th - 8th
Students construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using growth...
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Lesson Plan
Curated OER

Noun/Adjective/Subject/Verb Agreement

For Teachers 5th - 8th
Young scholars create a wheel from construction paper to use to create sentences. The wheel consists of four concentric circles, beginning with the largest being 8 inches in diameter. Each circle represents one part of a sentence....
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Worksheet
Curated OER

Parts of the Circle

For Students 6th - 8th
In this geometry skills worksheet, students respond to 3 questions that require them to examine the part of circles and identify them as diameters, chords, radii, or centers.
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Worksheet
Curated OER

Parts of the Circle

For Students 5th - 7th
In this geometry skills worksheet, students examine 3 labeled circles and identify the noted items as diameters, chords, radii, or centers.
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Worksheet
Curated OER

Parts of a Circle

For Students 7th - 9th
In this geometric shapes instructional activity, students respond to questions that require them to identify chords, radii, diameters and centers of 4 circles.
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Worksheet
Curated OER

Write the Parts of the Circle in the Place Holders

For Students 9th - 11th
For this parts of a circle worksheet, students place the names of 6 different parts of a circle in rectangular place holders. They use labels such as cord, secant, diameter, radius, tangent, and center.
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Lesson Plan
Curated OER

Sir Cumference and the Dragon Pi

For Teachers 6th - 8th Standards
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
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Lesson Plan
Curated OER

Around We Go

For Teachers 4th
Fourth graders investigate a range of circles, each with a different radius, diameter and circumference and assemble this information in their search for relationships.The measurement of circles and the relationships to be found within...
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Worksheet
Curated OER

Circle Terminology

For Students 7th - 12th
In this geometry worksheet, students identify radii, diameters, chords, tangents, secants and other terminology associated with circles.  The one page worksheet contains eighteen problems.  Answers are not provided. 
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Lesson Plan
Curated OER

The Derivation of (Pi)

For Teachers 7th
Seventh graders groups measure the diameter and circumference of each of the circular objects in the room. They record their results on their student worksheets and access a computer spreadsheet program to compile their results.

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