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 multiply (or divide) and express as a simplified rational, stating the domain.
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How To: Remember "greater than" & "less than" symbols

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

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

How To: Solve equations with the order of operations

How To: Find the area of a parallelogram using geometry

How To: Find the standard deviation with the ZScore formula

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

How To: Divide small numbers by big numbers

How To: Convert improper fractions to mixed numbers quickly

How To: Match exponential graphs

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

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

How To: Calculate the area of a parallelogram

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

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

How To: Square expressions involving radicals

How To: Subtract mixed numbers with borrowing

How To: Estimate probabilities with the empirical rule

How To: Use a formula to find the area of a parallelogram

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

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

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

How To: Solve equations with the order of operations

How To: Find the area of a parallelogram using geometry

How To: Find the standard deviation with the ZScore formula

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

How To: Divide small numbers by big numbers

How To: Convert improper fractions to mixed numbers quickly

How To: Match exponential graphs

How To: Do long division without a calculator

How To: Calculate percent composition for chemistry

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

How To: Calculate the area of a parallelogram

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

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

How To: Square expressions involving radicals

How To: Subtract mixed numbers with borrowing

How To: Estimate probabilities with the empirical rule

How To: Use a formula to find the area of a parallelogram
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