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Worksheet
Curated OER

Radius, Diameter and Circumference of Circles

For Students 4th - 6th
In this circles worksheet, students calculate either the radius, diameter and circumference of a set of 4 circles, one measurement is given for each circle, students calculate the remaining 2. 
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Interactive
Curated OER

Cylinders

For Students 7th - 9th
In this online activity, students use pie to calculate the area and volume to the nearest tenth. The radius, diameter, and or height are provided.
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Worksheet
Curated OER

Calculate Radius and Diameter, Estimate Circumference #2

For Students 5th - 6th
In this radius, diameter and circumference activity, students calculate diameter and estimate circumference of 2 given circles. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Covering and Surrounding

For Teachers 5th - 6th
Young scholars develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. In this area and perimeter instructional activity, students apply the concepts of perimeter and...
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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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Worksheet
Curated OER

Circle Area, Perimeter and Circumference

For Students 6th - 8th
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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Lesson Plan
Houghton Mifflin Harcourt

Developing Formulas for Circles and Regular Polygons

For Teachers 6th - 10th Standards
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...
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Activity
101 Questions

Rotonda West, FL

For Teachers 9th - 12th Standards
The shortest distance from point A to point B is a straight line—or is it? Young scholars determine the shortest route either along a circular path or through the center of the circle. Learners gain a unique perspective on arc length and...
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Worksheet
Curated OER

Calculate Area Using Pi

For Students 7th - 9th
Geometers find the area of four circles given their circumferences. Circumference is presented in the form of "numeral (diameter) x pi"; the answer key shows solutions as  "numeral (radius squared) x pi," so computation is limited to...
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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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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.
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Interactive
Curated OER

Word Problems that involve Circles

For Students 10th
For this geometry worksheet, 10th graders solve application word problems based on knowledge of a circle. The one page interactive worksheet contains four questions. Answers and hints are included. 
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Interactive
Curated OER

Word Problems that involve Circles

For Students 9th - 12th
In this online math activity, students solve word problems the involve circles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
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Worksheet
Curated OER

Basic Circle Worksheet

For Students 3rd - 5th
For this circle worksheet, learners identify center, radius and diameter of three circles. An answer key is included on page 2.
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Worksheet
Curated OER

Write the Parts of the Circle in the Place Holders

For Students 9th - 11th
In this parts of a circle worksheet, learners 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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Worksheet
Curated OER

Parts of the Circle

For Students 6th - 8th
For 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 instructional activity, learners examine 3 labeled circles and identify the noted items as diameters, chords, radii, or centers.
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Worksheet
Curated OER

All About Circles Post Test

For Students 7th - 9th
In this geometry worksheet, students answer ten multiple choice facts about circles. The questions include finding the diameter, area, and radius of a circle.
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Worksheet
Curated OER

Chapter 8 Worksheet 3 Circumference & Area

For Students 8th - 12th
In this circumference and area worksheet, students determine the circumference and area of given circles. They find the area of shaded regions of circles and areas around circles. This two-page worksheet contains 18 multi-step problems.
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Worksheet
Curated OER

Volume Word Problems

For Students 10th
In this volume worksheet, 10th graders solve 10 different word problems that include determining the volume in each one. First, they determine the ratio of their radius given the cubic meters of a sphere. Then, students determine the...
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Interactive
Curated OER

Online Math Learning: Surface Area of Spheres

For Students 9th - 12th
In this surface area of spheres worksheet, students solve 4 short answer problems. Students find the surface area of spheres, hemispheres, and cones given a radius or a radius and height.
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Lesson Plan
Curated OER

Circles and Angles

For Teachers 9th - 11th
Young scholars identify tangents, chords and secants. In this geometry activity, students graph circles and identify angles created by secant lines, tangent lines and chords.
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Worksheet
Mrs. Glosser's Math Goodies

Circumference & Area Worksheet 1

For Students 6th - 9th Standards
Don't stress about creating your own problems and use this series of circumference and area worksheets. The problems ask pupil to plug diameter and radius into the formula to solve for area or circumference. The problems also have...
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Worksheet
Curated OER

Circles in Circles

For Students 4th - 5th
In this circle worksheet, learners 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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