PBS
Pbs Learning Media: What's a 360?
In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Vector Addition
Learn how to add vectors. Drag vectors onto a graph, change their length and angle, and sum them together. The magnitude, angle, and components of each vector can be displayed in several formats.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Vector Addition
Learn how to add vectors. Drag vectors onto a graph, change their length and angle, and sum them together. The magnitude, angle, and components of each vector can be displayed in several formats.
University of Saskatchewan (Canada)
University of Saskatchewan: Geometry
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important topics in geometry: Triangles, and Circles and Other...
Google
Google for Education: Degrees and Radians
Students label key points on the unit circle in both radians and degrees. They count their way around the circle in 30-degree increments, and then again in increments of radians. Finally, students go through a similar process for angles...
TeachEngineering
Teach Engineering: Watch It Slide!
Students use inclined planes as they recreate the difficult task of raising a monolith of rock to build a pyramid. They compare the push and pull of different-sized blocks up an inclined plane, determine the angle of inclination, and...
TeachEngineering
Teach Engineering: Concentrated Solar Power
Students learn how the total solar irradiance hitting a photovoltaic (PV) panel can be increased through the use of a concentrating device, such as a reflector or lens. This is the final lesson in the Photovoltaic Efficiency unit and is...
Texas Education Agency
Texas Gateway: Making and Verifying Conjectures About Circles
Given information about the relationship(s) witnin one circle or a set of circles, the student will explore special segments and angles of circles.
Khan Academy
Khan Academy: Cosmology and Astronomy: Season Simulator
This season simulator takes Earth through an entire year cycle allowing the viewer to observe the tilt of the Earth and the intensity of the sunlight.
Government of Alberta
Learn alberta.ca: Mathematics Glossary: Angle
Get a visual and animated definition of the term "angle" from LearnAlberta.ca's Mathematics Glossary.
PBS
Pbs Learning Media: Directions to Hen Rock
The CyberSquad has to deal with angles and distances to locate a treasure chest in this video segment from Cyberchase.
University of Georgia
University of Georgia: Arcs, Central Angles, Arc Length & Sector Area
This site provides practice problems for calculating central angles and calculating arc length.
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles
This upper elementary and middle school lesson plan introduces the concept of acute, obtuse and right angles. Also, as the instructional activity proceeds vertical, adjacent, alternate interior and alternate exterior angles are explored....
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Similarity
This site contains a lesson plan for high school age learners. The objective is to discover the factor of proportionality in similar polygons and to relate this factor to the perimeters and areas of similar polygons.
Other
Advogato: Trigonometry by Geometric Construction
This site from Advogato is all about angles. It contains information starting with what an angle is and what it looks like, all the way up to bisecting angles and theorems about angles. This is very good information for students just...
Other
800score: Intersecting Angles
Read a description of intersecting lines and all about the different kinds of angles they form. Includes examples.
Other
University of Kansas: Quarked!: Catcher
A simple game of catch where the player must judge, from the angle a ball will hit a shape, where to position the catcher.
Mangahigh
Mangahigh: Shape: The Angles Inside a Triangle
Test your knowledge of the missing angle measure.
CK-12 Foundation
Ck 12: Geometry: Identification of Angles by Vertex and Ray
[Free Registration/Login may be required to access all resource tools.] Understand how angles are formed and identify an angle's rays and vertex. Students can master the concept by watching a video, examining guided notes, reviewing...
Math Is Fun
Math Is Fun: Angles
Definitions of different types of angles along with images and an interactive tool through which you can create acute, right, straight, obtuse, and reflex angles. View the parts of an angle, and learn the proper way to label angles.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Point, Line, Planes, Angles
Practice using your graphing calculator for drawing and labeling points, lines, planes, and angles. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
CK-12 Foundation
Ck 12: Geometry: Linear Pairs
[Free Registration/Login may be required to access all resource tools.] Identifying adjacent angles and vertical angles formed by intersecting lines
CK-12 Foundation
Ck 12: Analysis: Dot Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students are calculating dot products of vector quantities. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Angle Measurement Grades 8 10
[Free Registration/Login may be required to access all resource tools.] Find angle measures using a protractor and the Angle Addition Postulate.