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Math

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Jan 11, 2010

Looking to find the standard deviation of your set of values? Standard deviation quantifies how diverse the values of your data set are, and is useful in determining how different your numbers are fro ...

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Jan 11, 2010

Not sure exactly how to calculate a twenty percent tip for your waitress? Or how about how to figure out how much less your cost will be with that thirty percent off tag? Use these steps to calculate ...

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Jan 5, 2010

Learn how to find the slope of a line in this math tutorial. Whether you're doing your math homework or trying to figure out how steep a mountain is, the slope of a line is simple to calculate and has ...

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Dec 30, 2009

Fractions can be tough, but in truth, they're one of the easiest concepts to understand in math. Figuring out fractions is the last thing you really have to worry about in math class, unless you have ...

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Dec 8, 2009

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable.Isolating a variable is a matter of separating and simplifying.Step 1: Bring like terms togetherBring l ...

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Dec 8, 2009

Ah, adding fractions. It brings back memories of awkward elementary school yearbook photos with braces and having a crush on our super hot Brad Pitt lookalike math teacher. But we digress. Fractions a ...

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Dec 8, 2009

Don't be scared of fractions! Adding and subtracting fractions is not that hard once you understand how to do it.Once you know the trick to adding and subtracting fractions with different denominator ...

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Dec 8, 2009

If you've ever been asked to find the GCF, or Greatest Common Factor, of a series of numbers or algebraic expressions, check out this video to learn how.The methods for finding the greatest common fac ...

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Dec 8, 2009

When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follo ...

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Oct 30, 2009

If you fear you're off to summer school, ease the stress of uncertainty with some simple math and know when to seek help with your grades.You Will Need* A four point grading scale* Recent grades* A pe ...