Winston Churchill: Blood, Toil, Tears and Sweat (1940)
Winston Churchill delivers one of his most famous speeches, his first as Prime Minister, in the House of Commons on May 13th, 1940. Includes introduction by historian Simon Schama. Taken from the BBC documentary series 'A History of Britain'.
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Variables and Equations using Substitution
This introduction shows students how to substitute variables in equations.  It is geared for intermediate grade levels 7-8.  The video looks a substitutions examples on a white board.  The whole video lesson is not presented in this clip.  You have to go the link shown at the end of the clip to watch the entire lesson.

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Multiplication 2: The Multiplication Tables
In this introduction to the multiplication tables from 2-9, the instructor emphasizes the importance of knowing the multiplication tables. Instructor uses the Paint Program to demonstrate the points of his discussion. For third grades through sixth.
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Multiplication 3: 10, 11, 12 Times Tables
In this introduction to the multiplication tables from 10-12, the instructor emphasizes the importance of knowing the multiplication tables. Instructor uses the Paint Program to demonstrate the points of his discussion. For third grades through sixth
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Introduction to Addition with Carrying
This video teaches adding a 2-digit number to a 1-digit number with an introduction to carrying. The narrator of the video walks you through the mathematical computations with the Paint Program.
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Basic Addition With a Number Line
Introduction to addition strategies. Teacher demonstrates counting objects and constructing a number line,  Instructor demonstrates while using an interactive whiteboard.  (7:42)
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Division 3: More Long Division (with remainder ) Examples
In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. As this is an introduction to long division, this video is for elementary students (fourth, fifth, and sixth-grades).

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Division 2
This is an introduction to division with remainders. In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. As this is an introduction to long division, this video is for elementary students (fourth, fifth, and sixth-grades).
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Graphing Quadratic Equations
Instructor uses a white board to model graphing quadratic equations.  Examples show using quadratic equations in standard form to determine the line of symmetry, create a table of values, and graph the quadratic equation by using these values.

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Graphing Quadratic Functions
Instructor uses a white board to demonstrate graphing quadratic functions.  Example models taking a quadratic function in standard form, determining if the function opens up or down, finding the axis of symmetry and vertex.  The instructor then creates an x/y table and uses those points to complete the graph.
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Slope
This is a slide show presentation that walks the learner through all things slope.  The definition of slope is given as well as how how to find the slope of a line given a graph or by using the formula for slope.  
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Finding Slope Given 2 Points
The instructor uses the electronic chalkboard to demonstrate how to determine the slope of a line when given two points that are on that line.  Using the graph is modeled first followed by a step by step approach using the formula for slope. 

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Finding the Slope of a Line When Given a Graph
The instructor uses an electronic chalkboard to demonstrate how to find the slope of a line when given its graph.  A definition of slope is given and one example is modeled using a step by step approach to determine the slope of the given line.  
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Solving Systems by Graphing - Algebra Help
The instructor uses a white board for demonstration and this video is suitable for high school students. Students learn to solve a system of linear equations by graphing. The first step is to graph each of the given equations, then find the point of intersection of the two lines, which is the solution to the system of equations. If the two lines are parallel, then the solution to the system is the null set. If the two given equations represent the same line, then the solution to the system is th
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Conic Sections - Circles - Yay Math
Introduction to circles. Effect of changing parameters in the equation and graphing circles on a co-ordinate plane. Finding radius, center, and points on circumference. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. 
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Conic Sections - Ellipses - Yay Math
Ellipses are another of the conic sections. The video reviews the major and minor axes, the focii, and graph in detail. 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=-6234650987019435013&q=source:012956945238798337823&hl=enProduced by Robert Ahdoot, yaymath.org
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Graphing Quadratic Equations (Parabolas) - Yay Math
An introductory lesson on graphing quadratic equations, aka parabolas. Demonstrates the role and effect of changing the co-efficients of terms in the quadratic equation on the graph of the parabola. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is
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Complex Numbers - Yay Math
Introduction to complex/imaginary numbers. Defines i and works through several examples with increasing complexity. Using white board in classroom setting. Clear and understandable.Produced by Robert Ahdoot, yaymath.org
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Inverse Functions - Yay Math
Introduction to and working with inverse functions. 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=-1690428245315389775&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
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Introduction to Function Inverses
Introduction to Function Inverses. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The screen gets busy (and dark)--the viewer may want to open to 'full screen' to see everything. The sound is a little low. (09:05)
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