Counting techniques
6.99 €
5.59 €
The only thing available 2
Do you know how to multiply or divide by 25 without using a calculator? How do you multiply multi-digit numbers in your head? Can you quickly solve a long example? Do you know how to find approximate roots from decimals? The book in front of you will help you learn this and much more. With its help, you will learn the basic principles of easy oral and written counting. It lists all the necessary rules for multiplying and dividing multi-digit numbers, simple and decimal fractions, as well as square roots and percentage problems. After learning all the techniques, you will understand how to speed up the simplest calculations you face every day: calculating your budget or shopping at the store. The book is written in an accessible language and does not require any special knowledge. All examples are analyzed in detail, but for greater efficiency it is recommended to solve them on your own.
See also:
- All books by the publisher
- All books by the author
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