Speed Mathematics: Secret Skills for Quick Calculation

Speed Mathematics: Secret Skills for Quick Calculation

by Bill Handley

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Overview

Speed Mathematics: Secret Skills for Quick Calculation by Bill Handley

Using 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!

Product Details

ISBN-13: 9780471467311
Publisher: Wiley
Publication date: 08/05/2003
Pages: 272
Product dimensions: 6.06(w) x 9.02(h) x 0.70(d)

About the Author

BILL HANDLEY is recognized as an authority on teaching and study methods. His methods of teaching mathematics and his strategies for learning and thinking have achieved astonishing results in schools worldwide.

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