Imaginary Abacus PDF
By:Paul Green
Published on 2017-01-11 by Createspace Independent Publishing Platform
Learn to add and subtract in your head by imagining an abacus to calculate the result. This workbook has 1882 problems with answers. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus. To follow this course you will also need: 1) A Japanese abacus (with at least 13 columns). 2)The accompanying Instruction book 'Imaginary Abacus - Instruction book' (sold separately). Clearly written with graphics. Answers to all work is included. Learning to use an abacus is both enjoyable and helps to improve concentration and memory power. Clearly written with graphics. Answers to all work is included. Learning to use an abacus is both enjoyable and helps to improve concentration and memory power. see book review here: https: //www.youtube.com/watch?v=wxGfE8i_Res&feature=youtu.be
This Book was ranked at 19 by Google Books for keyword mathematics abacus.
Book ID of Imaginary Abacus's Books is vWxAMQAACAAJ, Book which was written byPaul Greenhave ETAG "qfXxN/1dILA"
Book which was published by Createspace Independent Publishing Platform since 2017-01-11 have ISBNs, ISBN 13 Code is 9781542357227 and ISBN 10 Code is 1542357225
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Book which have "124 Pages" is Printed at BOOK under Category
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