Practical Abacus for Beginners - (Revised Edition)

Author: Chao Jinquan
Publisher:
Publish Date: 2005-10-01
Features: This book comprehensively and systematically introduces the basic knowledge of abacus, as well as the calculation methods of abacus addition, subtraction, multiplication, and division, abacus-style mental arithmetic addition, subtraction, multiplication, and division, percentages, powers, and square roots, area, volume, and capacity. It also includes methods for identifying errors in abacus calculations. The appendix introduces the "National Abacus Technique Grading Standard," explanations of the requirements for each level, and two complete sets of practice questions for the National Abacus Technique Grading Standard. This book is suitable for self-study and reference by、 (accounting and statistics personnel), and can also serve as a textbook and reference for abacus teaching in relevant schools. This book comprehensively and systematically introduces the basic knowledge of abacus, as well as the calculation methods of abacus addition, subtraction, multiplication, and division, abacus-style mental arithmetic addition, subtraction, multiplication, and division, percentages, powers, and square roots, area, volume, and capacity. It also includes methods for identifying errors in abacus calculations. The appendix introduces the "National Abacus Technique Grading Standard," explanations of the requirements for each level, and two complete sets of practice questions for the National Abacus Technique Grading Standard. This book is suitable for self-study and reference by、 (accounting and statistics personnel), and can also serve as a textbook and reference for abacus teaching in relevant schools.