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Speed Mathematics: Secret Skills for Quick Calculation
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| List Price: | £9.99 |
| Price: | £6.28 & eligible for FREE Super Saver Delivery. Details |
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Dispatched from and sold by Amazon.co.uk
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Average customer review:
Product Description
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
- Amazon Sales Rank: #36642 in Books
- Published on: 2003-11-07
- Original language: English
- Number of items: 1
- Binding: Paperback
- 272 pages
Editorial Reviews
From the Back Cover
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!
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.
Customer Reviews
very easy to follow - except long division
This book is very easy to follow.
The only drawback is that the chapter on long division is a bit muddled.
