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.
Clark University
Clark University: Dave's Short Trig Course: Trigonometric Functions
The Clark University site shows and explains the graphs of the six trigonometric functions. It explains how to find an arbitrary angle measurement using trig. Also, it explains that sine and cosine functions are complementary.
Other
Dans Math: Lessons: Trigonometry
College professor Dan Bach reviews basic trig concepts, including trig functions, right triangles, circles, radians, and polar coordinates. Site includes animated graphs and detailed examples.
Other
Math Ed Page: Angles: A Set of Three Lessons
There are a set of three lessons here that help students with the concepts of angles. Each of the lessons is a hands on approach to help students learn fundamentals angles and fundamental properties in geometry.
Homeschool Math
Homeschool Math: Triangles
This lesson plan provides students with an opportunity to practice drawing and measuring triangles and angles. It also shows pictures and gives definitions of each type of angle and triangle.
Math Planet
Math Planet: Algebra 2: Trigonometric Functions
Get information about trigonometric functions by viewing examples and a video lesson. [2:08]
Math Planet
Math Planet: Algebra 2: Angles
Features a definition, examples, and a video lesson all related to angles. [0:35]
Math Planet
Math Planet: Algebra 2: Sines
Defines and examines the law of sines through examples and a video lesson. [2:02]
Math Planet
Math Planet: Algebra 2: Cosines
Defines and explores the law of cosines through examples and a video lesson. [1:41]
Math Planet
Math Planet: Algebra 2: Inverse Functions
An example and a video lesson help to explain inverse functions. [0:38]
Math Planet
Math Planet: Geometry: Congruent Triangles
Features a definition and a video lesson on congruent triangles with examples. [1:11]
Math Planet
Math Planet: Geometry: Angles
Angles are explained through examples and a video lesson. [0:48]
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Medidas De Poligonos
In Spanish. Interactive activities dealing with the definition, angles and area of a polygon.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Angle Barrier Game [Pdf]
A game to learn about angles. Materials needed: barrier game grids, protractors, rulers and divider for each partnership.
Scholastic
Scholastic: Study Jams! Math: Geometry: Measure Angles
Complete the step by step lesson, sing karaoke, and test your knowledge of angle measures.
Other
Odyssey of the Mind: Up to Speed
Students "learn about vehicles, velocity, angles, and energy," as they participate in a variety of creative and hands-on activities, like building adjustable ramps, researching modes of transportation, and predicting "what transportation...
McGraw Hill
Glencoe Mathematics: Online Study Tools: Line and Angle Relationships
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of line and angle relationships.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Circles
Students show comprehension of advanced mathematics skills in Geometry. The questions check understanding on circles. Topics include diameters, angles, and finding the circumference.
Mangahigh
Mangahigh: Shape: Corresponding Angles
Explain that corresponding angles are the result of parallel lines being crossed by another line.
Mangahigh
Mangahigh: Shape: Alternate Segment Rule for Circles
Use the alternate segment rule for cirlces to determine the angle measures.