The School Arithmetic: Including A Comprehensive Course Of Mental Arithmetic (1860) is a book written by Robert Johnston. It is a comprehensive guide to arithmetic that was designed for use in schools. The book covers all aspects of arithmetic, including addition, subtraction, multiplication, and division, as well as more advanced topics such as fractions, decimals, and percentages.One of the unique features of this book is its emphasis on mental arithmetic. The author believed that students should be able to perform calculations in their heads, without the aid of paper and pencil. To this end, the book includes numerous exercises and examples that are specifically designed to improve mental calculation skills.In addition to its focus on mental arithmetic, The School Arithmetic also includes detailed explanations of mathematical concepts and principles. The author uses clear and concise language to explain even the most complex topics, making the book accessible to students of all levels.Overall, The School Arithmetic: Including A Comprehensive Course Of Mental Arithmetic (1860) is an invaluable resource for anyone looking to improve their arithmetic skills. Whether you are a student, a teacher, or simply someone who wants to brush up on their math skills, this book is an excellent choice.With Hints On The Improved Method Of Teaching Arithmetic.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.