This comprehensive web lesson describes how to classify triangles by their angle and side measurements. It provides real-world examples and exercises for students to practice the skill.

NZMaths is a New Zealand teacher resource that provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.

Learn about drawing shapes using only a compass and straight edge or ruler with out measuring any lengths or angles.

This is a virtual exhibition of inventions from ancient Greece that have been reconstructed by Kostas Kotsanas after over two decades of study and research. Click on 'The Museum' link at the top of the page to read an explanation and to...

Students measure different types of small-sized beams and calculate their respective moments of inertia. They compare their calculations to how much the beams bend when loads are placed on them, gaining insight into the ideal geometry...

This New Zealand Problems website is an excellent resource for lesson plans in problem-solving. They are organized into the following categories: algebra, geometry, measurement, numbers, statistics, and logic and reasoning.

This New Zealand Problem Solving website is an outstanding resource for lesson plans. They are organized into the following categories: algebra, geometry, measurement, numbers, statistics, and logic and reasoning.

Teachers, this New Zealand Problem Solving website is an outstanding resource for lesson plans. They are organized into the following categories: algebra, geometry, measurement, numbers, statistics, and logic and reasoning.

Teachers, this New Zealand Problem Solving website is an outstanding resource for lesson plans. They are organized into the following categories: Algebra, Geometry, Measurement, Numbers, Statistics, and Logic and Reasoning.

[Free Registration/Login Required] Students will move the points on the line segments to explore anlge measures outside the circle. Click learn more to watch a video and click challenge me to answer a practice question.

Quiz your knowledge of three-dimensional figures, specifically volume and surface area, with this sixteen-question practice exercise.

A seven-question quiz will help you practice answering questions dealing with the volume and area of solids.

[Free Registration/Login may be required to access all resource tools.] Students explore volume of pyramids by navigating through the interactive learning module and then answering questions that go along with the module. Students can...

Solve missing triangle measures using the law of cosines. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice comparing 2 objects to see which is bigger, smaller, taller, shorter, or longer. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice constructing triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Find the unknown dimensions of a parallelogram given its area and another measurement.

Relate the length of an arc to the circumference of a whole circle and the central angle subtended by the arc. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

For this lesson, you will learn about the various types of lines, line segments, rays, the line segment symbol, and line segment examples. Check out the interactive examples and try your hand at solving a few interesting practice...

Solve word problems that involve general triangles using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login Required] Students explore identification of angles by vertex and ray by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more...

Given two triangles, determine whether they are congruent and use that to find missing angle measures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...

Carpenters use applications of geometry in their work, including the properties of right triangles and circles. This activity uses Cabri Jr. Geometry software to make measurements and solve problems based on carpentry situations....