Need a little bit of help figuring out how to solve word problems involving the perimeter of a rectangle? See how it's done with this free video math lesson. From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).
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How To: Remember "greater than" & "less than" symbols

How To: Divide small numbers by big numbers

How To: Convert improper fractions to mixed numbers quickly

How To: Find the Percent Given Two Numbers

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Calculate Faster Than a Calculator

How To: Write a slopeintercept equation given an XY table

How To: Find the area & perimeter of triangles & squares

How To: Find the Slope Given 2 Ordered Pairs

How To: Spend Money on a Graphing Calculator? Nah—Just Use This WebBased TI Emulator

How To: Subtract a mixed number from a proper fraction in basic math

How To: Convert between diameter and radius

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How To: Find the formula of a piecewise function given a graph

How To: Find extra points for a parabola (quadractic equation)

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