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1,115 reviewed resources for circumference

Videos (Over 2 Million Educational Videos Available)
Volcano Video
Thomas Jefferson - Author of The Declaration of Indepence & 3rd U.S. President | Mini Bio | BIO Video
Thomas Jefferson - Author of The...
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
Algebra 50 - Three Variable Systems in the...
Other Resource Types (1,115)
3 Items in Collection
Lesson Planet

Know and Use the Formulas for Area and Circumference of a Circle (7.G.B.4)

For Teachers 6th - 8th Standards
Practice with the formulas for circumference and area of a circle. Videos each work with a specific area and the last video challenges them to work backwards when given the area.
18 Items in Collection
Lesson Planet

STEM on Station

For Students 6th - 12th Standards
The STEM on Station series offers students the next best thing to being astronauts on the International Space State. The 18 NASA videos in this collection bring viewers into the space station to observe how these teacher scientists live,...
Lesson Planet

Utah Middle School Math Project: 7th Grade

For Teachers 7th Standards
The eight resources in this collection provide tweens with the tools and protocols for solving problems which in turn enable them to make the transition from acquiring basic knowledge to creatively applying it. The lessons in the...
9 Items in Collection
Lesson Planet

Grade 7, Claim 1: Concepts and Procedures Item Slide Shows

For Teachers 7th Standards
Prepare seventh graders for end-of-year assessments with a collection of nine resources packed with teacher and student-friendly slides featuring problems that address the A-I competencies. Questions are modeled after Smarter Balanced...

EngageNY Geometry Module 2: Similarity, Proof, and Trigonometry

For Teachers 9th - 12th Standards
The Geometry Module 2: Similarity, Proof, and Trigonometry collection includes 36 lessons that are divided into five topics: Scale Drawings, Dilations, Similarity and Dilations, Applying Similarity to Right Triangles, and Trigonometry....
12 Items in Collection
Lesson Planet

Math Antics Geometry Video Lessons

For Teachers 4th - 8th Standards
The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...
Lesson Planet

Mission to Mars

For Students 6th - 8th Standards
Martians beware! Earthlings are on the way! A 13-resource collection prepares future astronauts for space travel by studying interesting facts about the Red Planet, the history of Martian exploration, and the development of robotics....
Lesson Planet

Mathematics Assessment Project: Tests for Middle School

For Teachers 6th - 8th Standards
Good assessments are hard to find—assessments that address content standards and fit into standard class periods. The six assessments in the middle school collection are 80-minute forms, divided into two 40-minute sections, and are...
Lesson Planet

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 Planet


For Teachers 6th
The difference between circumference and radius is the focus of this geometry lesson. After entering data into a spreadsheet which has the formula for circumference of a circle built into it, pairs of learners perform a hands-on exercise...
Lesson Planet

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...
Lesson Planet

How Do You Find the Radius of a Circle if You Know the Circumference?

For Teachers 5th - 8th
So you know the circumference of a circle but not the radius. This tutorial shows you two different formulas commonly associated with circles, determines which formula to use, then puts the formula to work. You'll have no problem...
Lesson Planet

Circumference of Circles

For Teachers 5th - 8th
In this comprehensive video Duane demonstrates how to use a formula to determine the circumference of a circle. This clip is good because it shows how to determine circumference when the diameter is knows and when only the radius is known.
Lesson Planet

Circumference: Lesson

For Students 6th - 10th Standards
It all depends what is given. The section of a large geometry playlist discusses the two formulas for finding the circumference of a circle. With the aid of the formulas, the presenter demonstrates finding the distance around circles in...
Lesson Planet

Diameter and Circumference of a Circle

For Teachers 10th
Tenth graders explore circles.  In this geometry instructional activity, 10th graders explore the relationship between a circle’s circumference and its diameter.  The dynamic nature of the technology allows students to verify the...
1 In 1 Collection 4:21
Lesson Planet

Find the Circumference of a Circle

For Students 6th - 9th Standards
Solving for circumference is an easy as one, two, pi! Show your learners what pi is and how to use it in an equation. This second video in a series uses the circumference and the radius as a ratio to show that 3.14 is a constant in these...
Lesson Planet

Circumference and Diameter Relationship

For Teachers 6th - 8th Standards
With a ruler and a piece of string, geometers measure the circumference of a circular object. Tracing and folding it, they find the diameter of the resulting circle so that they can relate it to the circumference. It is recommended that...
Lesson Planet

Evaluating Formulas: Area and Circumference of Circles

For Students 6th - 12th
Use this area and circumference of circles worksheet to have learners solve 13 short answer problems. They find the area and circumference of circles given a radius or diameter measurement.
Lesson Planet

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 Planet

Circumference and Area: Madley Brath #58

For Students 7th - 9th
Middle schoolers examine a donut-shaped ring. They compute the circumference of the entire ring and of the hole in the ring. They determine the area of the ring without the hole. This one-page instructional activity contains a diagram...
1 In 1 Collection

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 Planet

Area and Circumference 1

For Students 9th - 12th Standards
Have the class describe the relationship of the area and perimeter of inscribed polygons and the area and circumference of the circle. Pupils investigate the relationships of areas and perimeters of inscribed regular polygons and circles...
1 In 1 Collection 7:56
Lesson Planet

Circles, Circumference and Area

For Students 4th - 8th Standards
Put pi to work. The video provides the formulas for the circumference and area of circles. Using the formulas, the presenter shows how to distinguish the two using units. The discussion leads to the second formula for finding the...
Lesson Planet

How Do You Find the Circumference of a Circle if You Know the Diameter?

For Teachers 6th - 10th
There are two formulas that can be used to find the circumference of a circle. Choose the appropriate formula depending on the given value in the problem. After selecting the correct formula, solve the problem using 3.14 as an estimation...

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