Look for an easy way to find the least (or lowest) common multiple for a set of numbers? Like to think in pictures? Try the upsidedown birthday cake method! Learn how with this free video 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: Find the Percent Given Two Numbers

How To: Understand the rule of vertically opposite angles

How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

How To: Do long division without a calculator

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

How To: Divide small numbers by big numbers

How To: Calculate the growth rate or percentage change between two numbers

How To: Solve word problems involving the addition of whole numbers

How To: Solve exponential and logarithmic equations

How To: Find a number given Its percent

How To: Convert between diameter and radius

How To: Find the area of a triangle when given 2 sides & angle

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How To: Square expressions involving radicals

How To: Find the volume of a cylinder with given radius

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2 Comments
thnx so much i was having a very hard time with my homework! your a life saver thnx again!
thank you for this post. you explained it better than my teacher! wish my school was flipped! flipped classroom rocks!
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