Need to know how to solve algebraic word problems involving age? 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 threepart installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve agebased word problems.
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How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

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

How To: Divide small numbers by big numbers

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

How To: Write a slopeintercept equation given an XY table

How To: Calculate math without a calculator

How To: Calculate percent composition for chemistry

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

How To: Learn Calculus in 20 minutes

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

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

How To: Convert between diameter and radius

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

How To: Convert Fahrenheit to Celsius with a formula

Find the discriminant (DELTA): quadratic equation

How To: Find the 100th term in a sequence

How To: Calculate the height and volume of a pyramid

How To: Write a logarithm as a sum or difference of logarithms

How To: Find the coordinate of a point
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