<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Circumference

## Pi times the diameter or the distance around the circle.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Circumference

by CK-12 //basic
Calculate a circle's circumference.
MEMORY METER
This indicates how strong in your memory this concept is
1

## Circumference

This concept teaches students how to calculate the circumference of a circle.
MEMORY METER
This indicates how strong in your memory this concept is
2

## Area and Circumference of Circles

Derive the formulas for area and circumference of circles by finding the area and perimeter of regular polygons inscribed in circles.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Circumference

This concept teaches students how to calculate the circumference of a circle.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Solving problems of circles

This concept teaches students how to calculate the circumference of a circle.
MEMORY METER
This indicates how strong in your memory this concept is
0
• PLIX

## Circumference: Ancient Stonehenge Math Mysteries

Circumference Interactive
MEMORY METER
This indicates how strong in your memory this concept is
0
• PLIX

## Decode the Circumference Formula

Circumference Interactive
MEMORY METER
This indicates how strong in your memory this concept is
0
• PLIX

## Definition of Pi

Circumference Interactive
MEMORY METER
This indicates how strong in your memory this concept is
0
• PLIX

## Circling a Circle

Circumference Interactive
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circumference Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on finding circumference.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circumference Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Circumference".
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circumference Principles

This video gives more detail about the mathematical principles presented in Circumference.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Circumference Examples

This video shows how to work step-by-step through one or more of the examples in Circumference.
MEMORY METER
This indicates how strong in your memory this concept is
0
• 0
• Critical Thinking

## Circumference Discussion Questions

A list of student-submitted discussion questions for Circumference.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

## Getting in Gear!

Discover how gears work and how circumferences come into play.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Study Guide

## Circumference and Arc Length Study Guide

An overview of the formulas for circumference, arc length, sectors, and segments of circles is presented in this study guide.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Flashcards

## Perimeter and Area of Circles and Circle Parts Flashcards

by CK-12 //basic
These flashcards help you study important terms and vocabulary from Circumference, Arc Length, Area of a Circle, and Area of Sectors and Segments.
MEMORY METER
This indicates how strong in your memory this concept is
0