Use your knowledge about angles to find missing angle measures in various situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Angles are explained through examples and a video lesson. [0:48]

A comprehensive guide for learning all about angles with definitions, examples, and practice questions.

Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.

This upper elementary and middle school lesson plan introduces the concept of acute, obtuse and right angles. Also, as the lesson proceeds vertical, adjacent, alternate interior and alternate exterior angles are explored. Plenty of...

Determine which angle has a greater measure by looking at the size of the opening between the angle's rays. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this activity, students use the Cabri software to mark points, draw lines, construct parallel and perpendicular lines, angles, bisectors, and triangles. They learn how to use the tool to measure angles.

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

Explains the terms and symbols used to discuss line angles, what an angle is, and the types of angles. Includes short video lesson demonstrating how to use a protractor to measure an angle. [0:57]

[Free Registration/Login may be required to access all resource tools.] Use reasoning to figure out the measures of missing angle measures

2 OF 2 FOR ADDITIONAL TOPICS IN MATH. Students will use the coordinate plane and equations of lines and circles to describe figures; create the equation of a circle given the figure or use the structure of a given equation to determine a...

Find missing angle measures in quadrilaterals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

A great resource where you can learn how to calculate the measures of the interior and exterior angles of any regular polygon with these tutorials. There are several practice pages for someone to try. The teacher resource page includes...

Study inscribed angles in semicircles and quarter-circles. What conjectures can you make about the measure of an inscribed angle in semi- or quarter-circles?

[Free Registration/Login may be required to access all resource tools.] Finding the measures of angle pairs including the measure of missing angles by using given information.

This activity is designed for students to make conjectures about triangles. Students will create three lists to represent the measures of the angles of the triangle. The entire class list will then be sent to each student for analysis,...

[Free Registration/Login may be required to access all resource tools.] In this lesson students solve complementary angle problems. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...

[Free Registration/Login may be required to access all resource tools.] Solve supplementary angle problems.

Practice problems finding missing angles.

Print or create worksheets or flashcards to assess students' understanding of angle measure, area, surface area, and volume.

Determine angle measures based upon the given information.

This geometry resource investigates types of angles. Definitions, detailed examples, and practice problems are included.

[Free Registration/Login may be required to access all resource tools.] Finding and understanding the angle measures of triangles.

Join the heroes Loxley, Arrowyn, Busido, and Mockingbird in this epic adventure of Bows and Angles! Practice measuring and reading angles while you defend yourself from treacherous shadow ninjas.