A Key To The Introduction To The National Arithmetic Exhibiting The Operation Of The More Difficult Examples In That Work

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Excerpt from A Key to the Introduction to the National Arithmetic: Exhibiting the Operation of the More Difficult Examples in That Work, for the Use of Teachers Only The object of the author, in this publication, is to aid the teacher in communicating instruction to his pupils, and in detecting any error which they may have made in the operation of the examples. Every instructor, who has a large number of scholars under his care, is, aware that it is a great tax on his time, especially when in school, to examine the opera tion of many arithmetical questions; whereas, by the aid of a Key, he may readily detect any mistake in the operation. Besides, amid the labors of the school-room, it is often very difficult for the most able arithmetician to recollect, at the moment, all the principles involved in the solution of difficult questions; but, by recurring to a Key, this difficulty will be obviated. The author would recommend to teachers never to point out directly to the pupil the method of solving a problem, nor perform the labor for him, but suggest and explain such principles as will enable him to perform the question himself. The answers to all the examples in the Arithmetic are inserted in the Key, for the convenience of those teachers who may prefer to use the edition of the Arithmetic which does not contain the answers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Reprint of the original, first published in 1871.

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