Speed Mathematics: Secret Skills for Quick Calculation (Paperback)
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Short Description for Speed Mathematics Speed Mathematics empowers readers to make complex calculations in the blink of an eye, all by teaching easy strategies for basic arithmetic. Bill Handley's revolutionary and failsafe methods make it fun to do maths fast while also significantly reducing mistakes.
- Published: 07 November 2003
- Format: Paperback 272 pages
- ISBN 13: 9780471467311 ISBN 10: 0471467316
- Sales rank: 40,606
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Full description for Speed Mathematics
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!