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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve application problems involving units of weight in basic arithmetic.
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How To: Remember "greater than" & "less than" symbols

How To: Convert between diameter and radius

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

How To: Find the slope of a line given 2 points with fractions

How To: Find a number given Its percent

How To: Calculate the area of a parallelogram

How To: Find the Percent Given Two Numbers

How To: Calculate Faster Than a Calculator

How To: Do long division without a calculator

How To: Divide small numbers by big numbers

How To: Convert improper fractions to mixed numbers quickly

How To: Calculate percent composition for chemistry

How To: Find the Slope Given 2 Ordered Pairs

How To: Find a data point (Xi) with the ZScore formula

How To: Solve word problems involving domain and range

How To: Find outliers using the Zscore method

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

How To: Graph an inequality on a number line in Algebra

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

How To: Find the formula of a piecewise function given a graph
1 Comment
how to example of solving difficult words?
and how to make in one paragraf?
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