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

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

How To: Find the Percent Given Two Numbers

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

How To: Find the area of a parallelogram using geometry

How To: Convert improper fractions to mixed numbers quickly

How To: Calculate Faster Than a Calculator

How To: Find a number given Its percent

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

How To: Use a mean and scatter plot for Statistics

How To: Find the perimeter & area of a complex figure

How To: Find the area of a rhombus

How To: Find the standard deviation with the ZScore formula

How To: Convert Fahrenheit to Celsius with a formula

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

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

How To: Do normal probability calculations on a calculator

How To: Find the equation of a circle given: center & tangent

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

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

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

How To: Find the Percent Given Two Numbers

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

How To: Find the area of a parallelogram using geometry

How To: Convert improper fractions to mixed numbers quickly

How To: Calculate Faster Than a Calculator

How To: Find a number given Its percent

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

How To: Use a mean and scatter plot for Statistics

How To: Find the perimeter & area of a complex figure

How To: Find the area of a rhombus

How To: Find the standard deviation with the ZScore formula

How To: Convert Fahrenheit to Celsius with a formula

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

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

How To: Do normal probability calculations on a calculator

How To: Find the equation of a circle given: center & tangent
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