Imaginary Abacus - Workbook: A mind math step-by-step guide to addition and subtraction using an imaginary Japanese abacus (Soroban). - Couverture souple

Green, Mr Paul

 
9781542357227: Imaginary Abacus - Workbook: A mind math step-by-step guide to addition and subtraction using an imaginary Japanese abacus (Soroban).
Couverture souple
ISBN 10 : 1542357225 ISBN 13 : 9781542357227
Editeur : CreateSpace Independent Publishing Platform, 2017

Synopsis

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.

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Éditeur
CreateSpace Independent Publishing Platform
Date d'édition
2017
Langue
anglais
ISBN 10 
1542357225
ISBN 13 
9781542357227
Reliure
Broché
Numéro d'édition
1
Nombre de pages
123
Coordonnées du fabricant
Manufactured by Amazon on behalf of the author
https://www.amazon.fr/hz/contact-us

c/o Amazon Media EU S.à.r.l., 38 Avenue John F. Kennedy
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Luxembourg