Math Is Fun
Math Is Fun: Obtuse Angles
This very basic website gives a clear, simple explanation of what an obtuse angle is.
Math Is Fun
Math Is Fun: Acute Angle
This very basic website gives a clear, simple explanation of what an acute angle is.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Angle Basics
Find a quick, concise explanation of angles and types of angles. Several examples are given to help you understand how angles are formed and the different types of angles.
ClassFlow
Class Flow: All About Angles
[Free Registration/Login Required] This flipchart gives an introduction to angles, reading a protractor, naming and classifying angles. It also includes opportunities to practice these skills. The lesson is aligned with the 5th grade...
ClassFlow
Class Flow: Angle Tester
[Free Registration/Login Required] This flipchart reviews right, acute and obtuse angles with students. An Activote review is included at the end.
ClassFlow
Class Flow: Angles
[Free Registration/Login Required] Practice identifying different types of angles in this flipchart. See examples of the different angles.
ClassFlow
Class Flow: Angles Votes
[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.
ClassFlow
Class Flow: Bisecting Angles
[Free Registration/Login Required] Sunshine State Standard: MA.C.3.3.1-1 You can bisect an angle by using a compass and a straight edge. This flipchart goes over definitions and the mathematical process of bisecting angles in a step by...
Math Is Fun
Math Is Fun: Angles on a Straight Line
This very basic website gives a clear, simple explanation of the sum of angles on a straight line that when put together form a straight angle.
Math Is Fun
Math Is Fun: Reflex Angle
This math tutorial provides an illustrated explanation of a reflex angle.
Math Is Fun
Math Is Fun: Straight Angles
Students learn about straight angles. A definition and examples are included.
Math Is Fun
Math Is Fun: Exterior Angle
Gives a clear definition and drawing of an exterior angle of a polygon.
Math Is Fun
Math Is Fun: Interior Angles
Gives a clear definition and drawing of an interior angle of a polygon.
University of Cambridge
University of Cambridge: Nrich: Games Estimating Angles
Use this game to improve your ability to create an angle with a specific number of degrees. You can set the angles to the size you want on this game. Just follow the instructions below it!
University of Cambridge
University of Cambridge: Nrich: Angle A
Sharpen your logic and angle recognition skills by working on this interactive challenge. Solution available.
Doina Popovici
Math Play: Classifying Angles Game
Play Tic Tac Toe while practicing your skills of identifying an angle as being acute, obtuse, right, or straight in this online game.
ClassFlow
Class Flow: Angles Protractor
[Free Registration/Login Required] This flipchart uses the interactive protractor to measure various angles.
Doina Popovici
Math Play: Classifying Angles Jeopardy Game
An online Jeopardy game where students describe the type of angles, measurement of angles, and identify whether angles are complementary, supplementary or congruent.
Khan Academy
Khan Academy: Angle Types
Determine if an angle is acute, right, or obtuse. A protractor is provided. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Quia: Spanish 2 Final Exam Review 2003
You can assess your knowledge of the various parts of angles and lines at this web site. You respond to a series of questions. A running total is visible showing the number of correct responses you have as you work your way through the...