Wolfram Research
Wolfram Math World: Circle
This site from Mathworld provides a wealth of information about circles is presented. The information ranges from the basics--radius, circumference, etc.--to advanced concepts--equations in polar and pedal coordinates, etc.
ClassFlow
Class Flow: Circle Vocabulary
[Free Registration/Login Required] This lesson lets students identify, draw, and measure parts of a circle. The lesson compliments 5th grade Harcourt Math, Lesson 23.4. Activote assessment is included at the end of the lesson.
Other
Circles/circumference Interactive Learning Sites for Education
Includes record sheets and interactive media exploring circles and circumference from general parts of the circle to the relationship of the circle parts.
Learning Wave Communications
Learning Wave: Geometry, Section 2
Geometry concepts are briefly discussed at this site, including volume of a cylinder, parallelograms, circles, trapezoids, and triangles. Sample problems and applications are included for practice.
ClassFlow
Class Flow: Spheres Geometry
[Free Registration/Login Required] In this flipchart, students develop an understanding of the properties of a sphere and determine its area and volume.
ClassFlow
Class Flow: Dimensions
[Free Registration/Login Required] Students learn what surface area is on geometric figures, and find volume, lengths, and areas of figures.
Homeschool Math
Homeschool Math: Circles
Lesson presents definitions of terms associated with circles and helps young scholars learn to use a compass to draw circles and simple circle designs.
Khan Academy
Khan Academy: Area of a Circle
Find the area of a circle given its radius, diameter, or circumference. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Physics Aviary
Physics Aviary: Resistance of a Wire
This lab is designed to have students investigate the factors that affect the resistance of a wire. Students will be able to adjust the length of the wire, the diameter of the wire and the material from which the wire is constructed....
Ducksters
Ducksters: Kids Math: Circle Geometry
Circle Geometry math for kids contains information for students to learn about terms radius, diameter, circumference, chord, and pi.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Ground Plan of the Capitol, 1825
A plan of the ground floor of the Capitol Building from 1825. The map is keyed to show: (A) House of Representatives, 96 feet radius; (B) Senate Chamber, 75 feet radius; (C) Central Rotunda, 96 feet in diameter; (D) Library, 92 x 34...
Other popular searches
- Diameter and Radius
- Diameter, Radius and Chord
- Find Radius and Diameter
- Radius and Diameter Test
- Diameter Radius and Chord
- Circles Diameter and Radius
- Calculate Radius and Diameter
- Circle Radius and Diameter
- Identify Radius and Diameter
- Radius and Diameter of Circles