Efficiency Arithmetic: Primary (1917) is a book written by Charles Ernest Chadsey. The book is designed to help young students learn arithmetic in an efficient and effective way. It covers a range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and more. The book uses clear and concise language, making it easy for students to understand and follow along. It also includes numerous examples and exercises to help students practice and reinforce their understanding of the concepts. The book is intended for primary school students, but it can also be helpful for anyone who wants to improve their arithmetic skills. Overall, Efficiency Arithmetic: Primary (1917) is a valuable resource for anyone looking to learn or teach arithmetic in an efficient and practical way.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.