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A Key To The Practical And Mental Arithmetic: For The Use Of Teachers (1851) is a book written by Roswell Chamberlain Smith. It is a comprehensive guide to arithmetic that is designed specifically for teachers. The book covers a wide range of topics, including addition, subtraction,... Read Full Overview

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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original... Read Full Overview

A Key To The Practical And Mental Arithmetic: For The Use Of Teachers (1851) is a comprehensive guidebook written by Roswell Chamberlain Smith. The book is intended for teachers who wish to improve their students' understanding of arithmetic, both practically and mentally. The... Read Full Overview