An angle that turns through n one-degree angles is said to have an angle measure of n degrees.

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Not Right For WatchKnowLearn
Ages: 10 - 18
Protractors: Angle Action (Part 1) (Interactive)
From pbs.org, produced by MathActive
An interactive that allows students to measure angles using a protractor. Identify angles that are acute, obtuse, right, straight or reflexive.
July 17, 2012 at 02:43 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
Benchmark Angles Podcast
From YouTube, produced by John Kelly
This video podcast explains angle measurement and benchmark angles. (04:09)
Found by jzkelly in 4.MD.C.5b
January 19, 2011 at 09:17 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
How to Measure Angles
From brainpop.com, produced by Brainpop
This two-minute video animation explains how to measure angles. An angle is two rays that share a common endpoint. the common point is called the vertex. You can use a protractor to measure angles. Acute angles are less than 90 degrees. Right angles ... [more]
Found by freealan in 4.MD.C.5b
July 22, 2011 at 02:29 PM
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Not Right For WatchKnowLearn
Ages: 10 - 15
Angles: Composition Measuring
From YouTube, produced by tiorico1
The instructor uses an electronic sketchpad to demonstrate how to constucut angles.  Video discusses vocabulary and symbols associated with angles, ray (sides of the angle), vertex (the point where the rays start).  It then goes on to use the protrac... [more]
Found by Barb in 4.MD.C.5b
July 13, 2009 at 06:46 PM
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Not Right For WatchKnowLearn
Ages: 10 - 14
Common Angle Measures
From nextvista.org, produced by nextvista.org
This video explains the concept that common angle measures are based on a rotation on a circle.  The video shows a circle with a spinner which is used to show common angle measures such as 180 degrees and 90 degrees.  (04:47)
September 15, 2011 at 07:43 PM
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Not Right For WatchKnowLearn
Ages: 7 - 13
Angles Music Video (by Peter Weatherall)
From YouTube, produced by Peter Weatherall
This two-minute video, set to song, may help students learn the types of angles; acute, right, obtuse, etc. (01:50)
August 14, 2011 at 01:23 PM
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Not Right For WatchKnowLearn
Ages: 6 - 12
Using Protractors to Measure Angles
From amblesideprimary.com, produced by Mark Robinson
This media asset demonstrates how to use a protractor for measuring angles.  After the introduction, you can select from 10 different online activities for measuring angles.  These activities are designed to be used on whiteboards or computer monitor... [more]
Found by dlwooden in 4.MD.C.5b
November 28, 2010 at 07:58 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
Introduction to Angles and Angle Types
From YouTube, produced by Math Made Easy
In this video a math instructor introduces angles that are used a lot in math.  He explains what angles are, how they are created, and the main types of angles we used in math.
March 16, 2010 at 07:49 PM
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