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Lesson Plan
Virginia Department of Education

Going the Distance

For Teachers 6th Standards
Estimate the value of one of the most famous irrational numbers. The hands-on lesson instructs classmates to measure the circumference and diameters of circles using yarn. The ratio of these quantities defines pi.
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Worksheet
Curated OER

Perimeter, Circumference and Area

For Students 9th - 11th
In this measurement worksheet, learners 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

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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Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
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Lesson Plan
Curated OER

Geometric Figures

For Teachers 5th - 6th
Young scholars compare, classify and calculate the area of geometric figures such as rectangles, squares, circles and triangles.
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Interactive
Curated OER

All About Circles

For Students 6th - 8th
In this all about circles worksheet, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
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Lesson Plan
Willow Tree

Perimeter of Common Geometric Figures

For Students 8th - 11th Standards
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
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Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this circles and cylinders worksheet, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
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Worksheet
Curated OER

Whiskery Lake Problem

For Students 10th
In this Geometry worksheet, 10th graders solve a problems involving area of a circle given information regarding surface area.  The one page worksheet contains one problem with answer. 
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Lesson Plan
Curated OER

THE AREA OF A CIRCLE

For Teachers 7th - 12th
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle.  In this circle lesson students divide into groups and complete an activity. 
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Lesson Plan
Curated OER

Circumference and Area of Circles

For Teachers 5th - 6th
In this math worksheet, students learn to calculate the area and circumference of a circle. Students answer 4 word problems after reading the information and studying the examples.