This workbook is written for abacus practices. A physical abacus is required to be presence when using this book (see bottom of the descriptions for abacus specs). In the abacus theory, the numbers have a unique set of rules that are applied to 1 through 9. A complete total of 34 abacus rules exists. To learn abacus is to learn all the rules. In the book, the rules will be explained 1 by 1 with practice questions followed.

The contents:
1. Solving basics, 400 questions, 10 pages.
2. Rules, 1,360 questions, 34 pages.
3. Mixed reviews, 320 questions, 8 pages.
The rules of abacus are paged in order, plus mixed reviews in between; with images illustrating how rules are used.

Physical abacus (soroban) is a required material that’s not included with this book. The abacus must have 1 bead on top and 4 beads on bottom, with a recommended minimum 13-columns.

We recommend this book as teaching materials and we welcome photocopies of our contents. The youngest that can learn an abacus is 4 ‘n half year old and must know how to write 0 to 9.

For the best learning experience we highly recommend finding an abacus instructor.

Lastly, your review is highly appreciated and will help us improve for the benefits of future readers.

Thank you.

"About this title" may belong to another edition of this title.

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