""Key To The Southworth-Stone Arithmetics: For The Use Of Teachers"" is a book written by Gordon Augustus Southworth in 1906. The book is intended to be used by teachers as a guide to teaching the Southworth-Stone Arithmetics. The Southworth-Stone Arithmetics is a series of textbooks designed to teach arithmetic to students of all ages. The key provides answers to the problems in the textbooks, as well as explanations of the concepts and strategies used to solve them. The book is divided into chapters that correspond to the chapters in the textbooks. Each chapter includes a brief overview of the concepts covered, followed by a series of problems and their solutions. The book is written in a clear and concise style, making it easy for teachers to use as a reference guide. Overall, ""Key To The Southworth-Stone Arithmetics: For The Use Of Teachers"" is a valuable resource for any teacher looking to teach arithmetic to their students.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.