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Worksheet
Curated OER

Circumference

For Students 8th - 12th
In this circumference worksheet, students calculate the circumference of circles with equations including pie and measurements. Students complete 5 problems.
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Worksheet
Curated OER

Formulas Homework

For Students 9th - 12th
In this circle formulas activity, high schoolers solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
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Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
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Lesson Plan
Curated OER

Bubble Mania

For Teachers K - 5th
Elementary schoolers practice measuring a soap bubble print. They follow a recipe to make a soap bubble solution. Pupils use the soapy solution to blow large bubbles with a plastic drinking straw until they pop leaving behind a circular...
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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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Worksheet
Curated OER

Circle Area, Perimeter and Circumference #2

For Students 5th - 6th
In this area, perimeter and circumference worksheet, students determine radius and circumference of given circles. A reference web site is given for additional activities.
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Interactive
Curated OER

Area and Perimeter of Rectangles Worksheet (II)

For Students 10th
In this geometry worksheet, 10th graders determine area and perimeter of rectangles, given the width and the length. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Worksheet
Curated OER

Circumference and Area

For Students 4th - 6th
In this circumference and area worksheet, students find area and circumference of a set of 9 circles. A website reference is given for additional resources.
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Interactive
Curated OER

My Test Book: Area and Perimeter

For Students 5th - 8th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding area, perimeter, and circumference. Students may submit their answers to be scored.
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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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Assessment
1
1
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Target F

For Teachers 7th Standards
Sometimes it's how you ask the question that counts. The sixth installment of nine from the Smarter Balanced Claim 1 Slideshow series presents a set of 13 questions to assess understanding of angle relationships as well as area and...
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Worksheet
Curated OER

All About Circles Post Test

For Students 7th - 9th
For 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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Lesson Plan
Curated OER

Finding Areas of Triangles, Rectangles, and Circles

For Teachers 9th - 10th
Students find the areas of geometric shapes. In this geometry lesson plan students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by using formulas.
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Lesson Plan
Curated OER

Finding the Area Under A Curve with Random Probability

For Teachers 11th - Higher Ed
Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...
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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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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

Circumference and Area

For Students 4th - 6th
In this circumference and area worksheet, students find each for a set of 9 circles. A website reference for additional activities is given.
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Worksheet
Curated OER

Circumference of Circle

For Students 4th - 6th
In this circumference worksheet, students find circumference. Radius and diameter are given, as well as an answer key. Workspace is provided.
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Lesson Plan
Curated OER

Finding Area

For Teachers 7th
Seventh graders explore the concept of area. In this area lesson, 7th graders determine what measurements are necessary to find the area of a rectangle and circle. Students use area formulas to calculate area or rectangles and circles.
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Lesson Plan
Curated OER

Equation of a Circle

For Teachers 9th - 12th Standards
Students write the equation of a circle. In this geometry lesson, students check the solution of a coordinate pair by evaluating them. They graph the circle given the equation and radius.
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Lesson Plan
Curated OER

Finding the Circumference and Area of a Circle

For Teachers 6th
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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Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. For 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

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
Alabama Learning Exchange

It's Around There Somewhere! Perimeter, and Circumference

For Teachers 6th - 8th Standards
Explore the concept of building equations for perimeter and circumference. Learners use rulers to measure the perimeter of half a sheet of paper.  Then fold the sheet of paper numerous times, each time measuring perimeter.  Learners use...

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