Speed Mathematics - Secret Skills for Quick Calculation 2010

by kavinele Sat Feb 20, 2010 10:24 pm

Speed Mathematics - Secret Skills for Quick Calculation 2010

sing this book will improve your understanding of math and have you performing like a genius!

People who excel at mathematics use better strategies than the rest of us; they are not necessarily more intelligent.

Speed Mathematics teaches simple methods that will enable you to make
lightning calculations in your head–including multiplication, division,
addition, and subtraction, as well as working with fractions, squaring
numbers, and extracting square and cube roots. Here’s just one example
of this revolutionary approach to basic mathematics:

96 x 97 =
Subtract each number from 100.

96 x 97 =
4 3

Subtract diagonally. Either 96—3 or 97— 4.
The result is the first part of the answer.

96 x 97 = 93
4 3

Multiply the numbers in the circles. 4 x 3 = 12.
This is the second part of the answer.

96 x 97 = 9312
4 3

It’s that easy!

Download:

Code:

http://rapidshare-u.blogspot.com/2010/02/speed-mathematics.html