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Math - Middle Grades


Ratio, Rates, Percents and Proportions

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6th grade math km
6th grade math km
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6th grade math knowledge map info
StudyStack
Alternate Solution to Ratio Problem (HD Version)
Alternate Solution to Ratio Problem (HD Version)
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In this video, Salman Khan of Khan Academy solves another ratio problem.
Khan Academy
Introduction to Ratios (new HD version)
Introduction to Ratios (new HD version)
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In this video, Salman Khan of Khan Academy introduces you to ratios.
Khan Academy
Taking percentages
Taking percentages
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In this video, Salman Khan of Khan Academy explains taking percentages.
Khan Academy
Speed translation
Speed translation
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In this video, Salman Khan of Khan Academy demonstrates speed translation.
Khan Academy
Simple Interest Formula
Simple Interest Formula
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Gives a brief description of the simple interest formula with one complete example.
About.com Math
List of Conversions
List of Conversions
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This site will help you convert from one measurement to another one. Lots of conversion to look at.
Tank Depot
Ratios and Proportions
Ratios and Proportions
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Simple explanation of Proportions
math.com
Scientific Notation
Scientific Notation
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Though this site is for Chemistry it has good examples of scientific notation and significant figures.
Math Skills
Percent Change
Percent Change
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Explains, with examples, how to calculate percent increase and percent decrease. Includes a video of examples.
Online Math Learning
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