Imaginary Abacus - Instruction Book
Author | : Paul Green |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 100 |
Release | : 2017-01-10 |
ISBN-10 | : 1542357276 |
ISBN-13 | : 9781542357272 |
Rating | : 4/5 (272 Downloads) |
Download or read book Imaginary Abacus - Instruction Book written by Paul Green and published by Createspace Independent Publishing Platform. This book was released on 2017-01-10 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to add and subtract in your head by imagining an abacus to calculate the result. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus.This book will teach you the skills required to firstly use the actual abacus effectively, then how to use an imaginary abacus (also known as a mental abacus). To follow this book you will need: 1) A Japanese abacus (with at least 13 columns). 2) The accompanying workbook 'Imaginary Abacus - Workbook' (sold separately). This useful and impressive skill would be an asset for anyone. See book review here: https: //www.youtube.com/watch?v=U3Lzp27cdwQ