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Math - Middle Grades


Ratio, Rates, Percents and Proportions

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Distance, rate, and time
Distance, rate, and time
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Explains the use of the math formula Distance = Rate x Time, giving example probblems.
Math.com
Proportion basics
Proportion basics
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How to set up a proportion equation and solve for an unknown factor.
Alegbra Help
More percent problems
More percent problems
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In this video, Salman Khan of Khan Academy solves more percent problems.
Khan Academy
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