Activity
Other

Ic Teachers: Shapes, Circles (Basic)

For Students 5th - 9th Standards
This basic website will give you lots of information about circles. There are also some questions to test your circle knowledge.
Interactive
Mangahigh

Mangahigh: Pyramid Panic: Basic Shapes to Advanced Geometry

For Students 9th - 10th Standards
Guide a mummy safely through the burial chambers of a pyramid as you solve length and area problems in basic to advanced geometry. There are four game zones that deal with circles and triangles, quadrilaterals, the Pythagorean Theorem,...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of a Circle

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area of circles and the area of sectors of circles by using given information and formulas. Students examine guided notes,...
Activity
Math Open Reference

Math Open Reference: Circles

For Students 9th - 10th Standards
A complete reference guide to circles including parts, angles, and arcs. It provides definitions and interactive activities that enhance further explanation.
Unit Plan
BBC

Bbc: Bitesize: Maths: 2 D Shapes

For Students 2nd - 8th Standards
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of a Circle

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the area of a circle. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Handout
Quia

Ixl Learning: Area of Circles

For Students 7th - 9th Standards
Brush up on your math skills relating to the area of circles then try some practice problems to test your understanding.
Graphic
Curated OER

Educational Technology Clearinghouse: Maps Etc: Ground Plan of the Capitol, 1825

For Students 9th - 10th
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...
Handout
Learning Wave Communications

Learning Wave: Geometry, Section 2

For Students 9th - 10th Standards
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.
Whiteboard
ClassFlow

Class Flow: Dimensions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students learn what surface area is on geometric figures, and find volume, lengths, and areas of figures.
Unknown Type
Khan Academy

Khan Academy: Circumference of a Circle

For Students 7th Standards
Practice finding the circumference of a circle.

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