Lesson Plan
Illuminations

#### Circumference and Areas of Circles

For Teachers 7th - 12th Standards
Middle and high schoolers listen to a scenario about a puppy and use the scenario to develop formulas in order to find the area of a circle. In this circumference lesson, pupils understand how to find the radius, diameter, area of a...
Lesson Plan
Curated OER

#### The Circumference of a Circle and the Area of the Region it Encloses

For Teachers 6th - 8th Standards
Bring your math class around with this task. Learners simply identify parts of a given circle, compute its radius, and estimate the circumference and area. It is a strong scaffolding exercise in preparation for applying the formulas for...
Worksheet
Curated OER

#### Coordinate Grid: Area and Circumference of Circles

For Students 9th - 12th
Here is a geometry worksheet in which learners plot the points of a circle onto a coordinate grid and proceed to calculate the area or circumference of the circle. There are four questions.
Lesson Plan
EngageNY

#### Families of Parallel Lines and the Circumference of the Earth

For Students 9th - 10th Standards
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
Lesson Plan
Curated OER

#### Finding Circumference and Area of a Circle

For Teachers 7th
Young geometers explore the concept of circumference and area of circles. They discuss what information is needed to find circumference and area. The resource employs several instructional methods: Frayer Model for Vocabulary, literature...
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...
Lesson Plan
Curated OER

#### Area and Circumference of Circles

For Teachers 6th - 7th
Students calculate the area and circumference of a circle as the activity is presented through an animated Microsoft PowerPoint presentation. They then complete a project to review the previous day's material.
Worksheet
Mrs. Glosser's Math Goodies

#### Circumference & Area Worksheet 2

For Students 6th - 9th Standards
With plenty of problems to chose from, this series of worksheets provides you different types of area and circumference problems. Your learners can plug diameter and radius in to solve, or they can work backward when the area or...
Worksheet
Mrs. Glosser's Math Goodies

#### Circumference & Area Worksheet 3

For Students 6th - 9th Standards
You can't go wrong with this series of practice problems about circumference and area. The answer keys are provided, so you can use some or all of the problems without needing to worry about solving beforehand. Some problems have your...
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.
Worksheet
Curated OER

#### Circumference and Area of Circles

For Students 5th - 6th
In this circumference and area activity, students find each for a set of 12 given circles; either diameter or radius are given. A website reference for additional resources and answers are provided.
Worksheet
Curated OER

#### Circumference and Area of Circles (A)

For Students 5th - 6th
In this geometry worksheet, students solve 12 problems in which the area and circumference of a circle is calculated to the tenth place. No formulas are given on this page.
Worksheet
Curated OER

#### Circumference and Area of Circles (B)

For Students 5th - 6th
In this geometry worksheet, students calculate the area and circumference of 12 circles in which either the diameter or radius is shown. There are no formulas given on this page.
Worksheet
Curated OER

#### Circle Area, Perimeter and Circumference

For Students 7th - 9th
Use this geometry skills practice activity to have learners solve seven problems that require them calculate the circle area, perimeter, and circumference of circles.
Assessment8:43
Mathed Up!

#### Area and Circumference of Circles

For Students 8th - 10th Standards
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...
Worksheet
Math eBook

#### Circumference of a Circle

For Students 6th - 9th Standards
Save trees and practice calculating the circumference of circles with this online interactive task! Of course, if you want individuals to turn it in, you will still need to print copies. There are 20 problems to solve, all of which...
Worksheet
Curated OER

#### Calculate the Circumference

For Students 7th
In this calculate the circumference worksheet, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
Lesson Plan
Curated OER

#### Discovering Pi/Welcome to Pi Day

For Teachers 9th - 12th
Students explore pi. In this circle measurement lesson, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare the...
Lesson Plan
Curated OER

#### Circles-Diameter, Circumference, Radius and the Discovery of Pi

For Teachers 7th
Seventh graders measure the diameter, circumference and radius of a circle and find pi using the diameter and circumference. In this geometry lesson plan, 7th graders work in groups to find the diameter, radius, and circumference of...
Worksheet
Curated OER

#### Perimeter and Circumference

For Students 10th
In this geometry worksheet, 10th graders determine the perimeter of various polygons and the circumference of circles.  The two page worksheet contains twelve problems.  Answers are provided.
Lesson Plan
Curated OER

#### Circumference Review

For Teachers 3rd - 5th
For 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...
Worksheet
Curated OER

#### Chapter 8 Worksheet 3 Circumference & Area

For Students 8th - 12th
For 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.
Worksheet
Curated OER

#### Easy Worksheet: Area and Circumference of Circles

For Students 9th - 12th
For this area and circumference of circles worksheet, students solve 4 graphing problems. Students graph a circle given an endpoint and center. Students find the area or circumference of the circle they graphed.
Worksheet
Curated OER

#### Circles and Arcs, Circumference and Area Multiple Choice

For Students 9th - 12th
In this circles worksheet, students determine the circumference and area of circles.  They compute the length of an arc and find the radius.  This one-page worksheet contains 6 multiple-choice problems.  This on-line worksheet is...