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Lesson Plan
Curated OER

Super Shapes Part 2 - Circles

For Teachers 5th - 6th
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...
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Lesson Plan
Curated OER

Geometry: Area, Scale Factor, Circumference

For Teachers 5th - 8th
In this geometry worksheet, students solve 10 problems regarding area, scale factors, and circumference. Students, in 3 of the problems, are given the circumference and asked to work backwards to find missing information.
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Lesson Plan
Curated OER

Small Angle Calculations

For Teachers 4th - 7th
Young scholars work with circles, angles and estimating angles in the night sky. In this circles and angles lesson, students practice measuring a degree using the circumference of a circle and apply the degree to determine a way to use...
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Lesson Plan
Curated OER

Circumference Review

For Teachers 3rd - 5th
In this circumference lesson plan, learners review how to find the diameter and circumference of a circle, they apply their skills to a real life application. Students are presented with the task of determining the circumference of trees...
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Lesson Plan
Curated OER

Tennis Ball Tubes

For Teachers 5th - 7th
Students determine whether the height of a tennis ball tube or the distance around the tube is greater, or whether they are the same. Using the formula for the circumference and diameter of a sphere, they discuss the word problem, and in...
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Lesson Plan
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Are You Full of Hot Air?

For Teachers 2nd - 3rd Standards
Explore the concept of measuring and recording circumference. In this physical science and measurement lesson plan, young learners blow up balloons, measure the circumference, and record the data on an interactive graphing website.
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Lesson Plan
Curated OER

Pumpkin Predictions

For Teachers 4th - 7th
It's time for Halloween and math! Perfect for Fall, this simple worksheet provides a grid for young mathematicians to record their predictions about a pumpkin's height, stem length, diameter, circumference, and weight. After learners...
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Lesson Plan
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The Circle's Measure

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

Perimeter and Circumference

For Teachers 5th - 8th
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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Lesson Plan
Curated OER

Circles

For Teachers 5th - 6th
In this math worksheet, students 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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Lesson Plan
Curated OER

Circumferences, Diameters, and Radii

For Teachers 5th - 8th
Young scholars explore circumferences, diameters, and radii. In this math lesson plan, students measure circumferences in inches and compute radii and diameters, given different circumferences.
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Lesson Plan
Curated OER

Perimeter and Circumference

For Teachers 5th - 8th
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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Lesson Plan
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Trees

For Teachers K - 3rd
Students investigate the parts of a tree, measure its circumference and the length and width of its longest branch. The data is compiled and placed into a bar graph.
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Lesson Plan
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How Do You Measure Up?

For Teachers 3rd - 4th
Students measure their body. In this measurement lesson, students use a string to measure their height and the circumference of their head. They record this information on the worksheet provided and answer questions as a group. 
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Lesson Plan
Curated OER

Circles

For Teachers 5th
Fifth graders investigate the concept of finding the circumference of a circle. They demonstrate why the formula works with a hands on experiment. There is detailed instructions for carrying out the technical portions of the experiment.
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Lesson Plan
Curated OER

Circumference of a Pumpkin

For Teachers 4th
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
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Lesson Plan
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Don't Be a Square

For Teachers 4th - 6th
Students analyze the relationship between radius and diameter.  Students read Sir Cumference and the First Round Table then take measurements of circular items from around the room.  Students compute the radius, diameter and...
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Lesson Plan
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The Is No Such Thing as a Perfect Pumpkin

For Teachers 4th - 6th
Students explore using descriptive words to describe physical appearance. In this appearance lesson, students look at pumpkins and discuss how there is not a perfect pumpkin. Students also hypothesize about what the perfect pumpkin's...
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Lesson Plan
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The Surface Area of a Cylinder

For Teachers 5th - 6th
Learners measure the circumference of a cylinder. In this cylinder lesson plan, students use round container lids and flexible rectangles to measure the circumference of the cylinder. They put the shapes together to make their own...
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Lesson Plan
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Puck's Girdle

For Teachers 5th
Fifth graders calculate the perimeters, areas, and volumes of everyday objects. They discuss the word problem involving Puck from the Shakespeare play "Mid-Summer Night's Dream," and invent and plan a method for solving the problem in...
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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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Lesson Plan
Curated OER

Tree Measurement

For Teachers 4th - 6th
Measure a tree? Yes, measure a tree! Learners get outside and measure a tree's trunk, crown, and height. Each group compares their answers to determine if any re-measuring is necessary. Once back in the classroom, students make bar...
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Lesson Plan
Curated OER

An Introduction to Pi and the Area of a Circle

For Teachers 5th - 7th
Students explore measurements of a circle. In this lesson about circumference and radius, students practice calculating measurements of a circle. Students estimate, calculate, and practice with graphing all while learning how to find...

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