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Measuring Angles

There are 21 videos in this category and 0 videos in 0 subcategories.

Category Videos
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: 12 - 18
Measuring Angles - Khan Academy
From YouTube, produced by Salman Khan
Sal Khan demonstrates how to use a virtual protractor to measure angles in this four-minute video.
August 26, 2011 at 07:41 PM
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Not Right For WatchKnowLearn
Ages: 11 - 15
Singapore Math, Grade 5 /Geometry - Finding Unknown Angles in Four-Sided Figures
From YouTube, produced by HomeCampus
How do you find unknown angles in a four-sided figure? Here is an example. (04:05)
October 21, 2012 at 09:46 AM
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Not Right For WatchKnowLearn
Ages: 7 - 13
How To Read a Protractor
From YouTube, produced by Talesof4thGrade
Teacher-created paper slide video on how to read a protractor.  (09:29)
February 14, 2019 at 03:50 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]
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]
July 13, 2009 at 06:46 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
Measuring Angles - Geometry Help
From YouTube, produced by YourTeacher
Students learn the definition of an angle and the concept of measure, including the following vocabulary: side, vertex, protractor, degrees, right angle, acute angle, obtuse angle, and straight angle. (02:26)
February 1, 2010 at 09:15 PM
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Not Right For WatchKnowLearn
Ages: 16 - 18
Inscribed Angle is Half of a Central Angle that Subtends the Same Arc - Khan Academy
From YouTube, produced by Salman Khan
The instructor in this video demonstrates that an inscribed angle is half of a central angle that subtends the same arc. The instructor 'writes' using computer software. (14:16)
March 18, 2010 at 08:17 PM
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Not Right For WatchKnowLearn
Ages: 11 - 15
Determining Whether a Group of Sides Can Form a Triangle
From nextvista.org, produced by NextVista.org
A teacher challenges students to apply their knowledge of triangles in this video.  Students are given measurements of three possible sides of a triangle and are asked whether or not a triangle could be formed with the sides given.  The teacher expla... [more]
November 29, 2011 at 07:07 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
The Angle Game - Khan Academy
From YouTube, produced by Salman Khan
This video uses an electronic black board with different-colored 'pens'.  Using what we know about angles students need to figure out the measurement of the other angles in the figure that is drawn.  The video should be paused then restarted for solu... [more]
July 13, 2009 at 06:28 PM
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