[Free Registration/Login Required] Using this flipchart, students will be able to identify various angles based on mathematical criteria. Questions are related to right, acute, and obtuse angles.

Students can practice classifying polygons in a series of self-check exercises and timed learning games.

This lesson focuses on the properties of triangles, a closed shape that has three sides, three vertices, and and three internal angles. There are different types of triangles such as a right triangle, obtuse, and acute based on the...

China's recent adoption of a legal system based on the rule of law is the focus of this video from Wide Angle.

This page offers a list of 50 problems/exercises to solve based on the content of Chapter 6: Uniform Circular Motion and Gravitation from the AP Physics online text.

An interesting junkyard of geometry findings where people are free to add their own findings and sift through others' interesting additions.

[Free Registration/Login may be required to access all resource tools.] The following online tutorial explains the basis of VSEPR theory. It helps students predict the shapes of molecules and polyatomic ions using VSEPR theory and it...

[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to classify triangles based on their angles and sides.

Gives basic info about a right triangle. Also students can substitute values for sides or angles in order to find missing values. The method for solving is then explained.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on length of sides.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.

This site provides a Java-based program called Mars24. You can download this to your computer to keep track of time on Mars.

Explains the basic concept of isosceles triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

Based off of the hit television show NUMB3RS, this activity is a very basic introduction to the tangent function and it's applications (such as measuring distances). Through this lesson, students will learn the definition of the tangent...

[Free Registration/Login may be required to access all resource tools.] In this lesson students apply the properties of equilateral triangles. Students examine guided notes, review guided practice, watch instructional videos and attempt...

[Free Registration/Login may be required to access all resource tools.] This concept will teach students the properties of equilateral triangles and how to apply them to solve problems. Students examine guided notes, review guided...

[Free Registration/Login may be required to access all resource tools.] Apply the properties of isosceles triangles.

How can trigonometry be used to find the area of a triangle or parallelogram? Does the triangle need to be a right triangle, and how accurate can the results possibly be? The answers to these questions are found here along with several...

This geometry lesson defines equilateral, isosceles, and scalene triangles, and has a variety of exercises, including drawing exercises.

Students find and calculate the angle that light is transmitted through a holographic diffraction grating using trigonometry. After finding this angle, student teams design and build their own spectrographs, researching and designing a...

In this biology field lab exercise, learners conduct a stationary population study of goldenrod galls. They examine a host of factors including goldenrod plant density, goldenrod gall density, gall height, gall mass, larval exit hole...

Use this information to build a scale model of the Great Pyramid. Explore the information available about the height, base and angles of this pyramid. Great opportunity to apply the principles of using a scale model.

Based off of the hit television show NUMB3RS, this lesson has students manipulate the vector component equations in order to maximize distance for a given initial velocity (using the launch angle as the variable). In an extension,...

This project resulted from the collaboration of a computer aided drafting teacher (pre-engineering), Chris Bond, and a math teacher, Lee Cable, (Hewitt-Trussville High School) to provide higher math expectations in CT and real life...