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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems that require you to apply deductive reasoning.
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How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

How To: Use the TOA formula in trigonometry

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

How To: Find the Percent Given Two Numbers

How To: Divide small numbers by big numbers

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Convert between diameter and radius

Find the discriminant (DELTA): quadratic equation

How To: Find the Radius of a Circle from Arc Length

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

How To: Find a missing side of a triangle, similar to another

How To: Write a slopeintercept equation given an XY table

How To: Learn Calculus in 20 minutes

How To: Find the area of a parallelogram using geometry

How To: Figure out the domain & range of a piecewise function

How To: Graph half an ellipse

How To: Find the value of a variable in an algebraic equation

How To: Factor a trinomial with negative leading coefficient

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

How To: Calculate Faster Than a Calculator

How To: Use the TOA formula in trigonometry

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

How To: Find the Percent Given Two Numbers

How To: Divide small numbers by big numbers

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Convert between diameter and radius

Find the discriminant (DELTA): quadratic equation

How To: Find the Radius of a Circle from Arc Length

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

How To: Find a missing side of a triangle, similar to another

How To: Write a slopeintercept equation given an XY table

How To: Learn Calculus in 20 minutes

How To: Find the area of a parallelogram using geometry

How To: Figure out the domain & range of a piecewise function

How To: Graph half an ellipse

How To: Find the value of a variable in an algebraic equation

How To: Factor a trinomial with negative leading coefficient
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