This comprehensive arithmetic textbook is an indispensable resource for students preparing for high school and college-level math courses. Charles Austin Hobbs provides clear explanations of key mathematical concepts and offers numerous examples and exercises to reinforce learning. The book is an excellent tool for anyone seeking to improve their math skills. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.