How to Use a Protractor
Learn about what a protactor is, and how to use it to draw angles in this simple instructional video.
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Measuring Angles With a Protractor
This short video demonstrates how to use a protractor to measure the degree of an angle with step-by-step instructions. (1:40)
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Angles of a transverse line when you intersect parallel lines are discussed in this video.   Video discusses parallel lines and what a transverse line is.  Video then goes into labeling the angles, such as corresponding angles, opposite angles, alternate interior angles, alternate exterior angles, and supplementary angles.  The video shows how to find the measurement of each of the angles using what you know about
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How to Factor a Trinomial with a Greatest Common Factor
Teacher works through an example of factoring a trinomial with a greatest common factor. He standing in front of and using a whiteboard. Sample video lesson-the complete lesson is at yourteacher.com -solves one equation.(2:14)

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Factoring Trinomials
Illustrates the steps for factoring a trinomial through writing on basic text slides. Many examples given. Although not very exciting, it would make a good tutorial for a student who is struggling with homework. Grades 8-12. 29:27 min.
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Factoring Differences of Squares - Yay Math
Using the difference of squares method to factor polynomials. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=692593011638794540&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
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Introduction to Factoring Trinomials - Yay Math
Removing common factors and using FOIL to reverse engineer trinomials to find the factors. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=5372924760957296665&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
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Basic Calculations in Mathematics : Calculating the Perimeter of a Circle
The perimeter of a circle is calculated by measuring the radius and multiplying it by 2 pi. Calculate the perimeter of a circle with a professional math tutor in this video on math skills. There are English captions at the bottom. (01:07)

Expert: Fernando Millan
Contact: www.tutormath.info
Bio: Fernando Millan is the owner and founder of Math Specialists LLC and has taught college mathematics courses at Miami Dade Community College, Barry University and University of Flo

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Central Angles
This video explains how a central angle is an angle where the vertex is on the center of the circle and the endpoints are on the circle. The endpoints on the circle are also the endpoints for the angle's intercepted arc. The angle measure of the central angle is congruent to the measure of the intercepted arc which is an important fact when finding missing arcs or central angles. (2:12)
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Inscribed Angles
This video describes how inscribed angles are angles whose vertices are on a circle and that intersect an arc on the circle. The measure of an inscribed angle is half of the measure of the intercepted arc and half the measure of the central angle intersecting the same arc. Inscribed angles that intercept the same arc are congruent. (1:44)
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Angles in Semicircles
If an angle is inscribed in a semicircle, it will be half the measure of a semicircle (180 degrees), therefore measuring 90 degrees. This video describes how angles in a semicircle can be used to find missing missing angles and lengths. Pythagorean's theorem can be used to find missing lengths (remember that the diameter is the hypotenuse). Also, the measure of an angle formed by a chord to a tangent is half the intercepted arc. (2:08)
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Pi Mathematical Pi Song (Full Version)
This Is The Full Version Of The Pi Pi Mathematical Pi Song! Written by Antoni Chan and Ken Ferrier. Note, this is not mine.
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PI Song (Each and Every Time)
Video is a song about pi.  It talks about who discovered it and what it measures.
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Lose Yourself in the Digits - Song
This music video is to the tune of Eminem's "Lose Yourself" and teaches about the concept of Pi.  Lyrics are not included on the screen but can be found at www.teachpi.org.  The lyrics in the chorus are, "You better lose yourself in the digits of pi.  It's a high but you got a thousand more to go.  The numbers do not stop or drop into pattern, no. To memorize it would take most of a lifetime." (04:26)
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How to Understand Pi
How to Understand Pi - This tutorial will help the viewer understand the concept of Pi. (02:52)
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Congruent Figures
A teacher narrates a slide show explaining what makes two figures congruent.
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Learn to Measure things Using NonStandard Units
This musical video is about measurement using non standard unit. No narration in this video, just text instructions. Non standard unit is the glass that being used to measure 1 kg of flour.
A simple example is shown and then questions are asked about how  to find other items that can be measured in the same way.

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Words ending in "ight"
A poem illustrating "ight" words like might, light, tight... This video has 3 small British children reciting the poem and could be used as a tool for rhyming beginners. (1:30)
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Martin Luther Sparks a Revolution
This three minute video explains the German monk's questioning of Catholic dogma that leads to the Protestant Reformation though his questioning of the values of the Catholic Church and its sale of indulgent behavior. A good biography.
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Reformation Series #1- Martin Luther
This video looks at the life of Martin Luther. Video shows pictures and words are written on the screen.
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