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Ages: 10 - 15
Dividing Decimals - Khan Academy
From YouTube, produced by Sal Khan
The instructor in this video uses his 'electronic chalkboard' to demonstrate how to divide decimal numbers.  (09:28)
July 11, 2009 at 08:31 AM
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Ages: 10 - 18
Basic Math: Lesson 6 - The LCD and Fraction Comparisons
From YouTube, produced by VideoMathTutor.com
Concepts covered: Least (or Lowest) Common Denominator and learn how to compare the sizes of different fractions. (18:12)
November 9, 2009 at 04:18 AM
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Ages: 9 - 16
How to Simplify Fractions - Basic Math Tutor
From 5min, produced by MathTutor
In this section, we will learn about fractions, what they are, what they represent and how to use simplified fractions. NOTE: This is a clip from a much larger (seven hours) tutorial. Instructor uses a whiteboard. (29:02)
April 13, 2011 at 07:02 PM
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Ages: 9 - 14
Divisibility of a Number
From YouTube, produced by MyVideoMath
This animation with narration demonstrates the rules of identifying the divisibility of a numbers: 2,3,4,5,6,9, and 10. For elementary and middle school students.
August 23, 2009 at 04:19 PM
Not Right For WatchKnowLearn
Ages: 10 - 15
Plotting an Ordered Pair on a Coordinate Plane
From YouTube, produced by Davitily
The instructor uses an electronic chalkboard to demonstrate how to plot an ordered pair on the coordinate plane.  One example is modeled using a step by step description of how to plot the ordered pair. (01:42)
April 29, 2010 at 12:02 AM
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Ages: 9 - 18
One-Step Subtraction Equations
From YouTube, produced by Your Teacher.com
This video takes you through a one step subtraction equation and also shows you how to check your answer.
November 23, 2010 at 02:05 PM