Publisher's Synopsis
Excerpt from Key to the North American Arithmetic: Part Second and Part Third; For the Use of Teachers
This book contains solutions of some of the questions in the Oral exercises, and answers to all the examples in the Written exercises, of the N orth American Arithmetic, Part Second It also contains answers to all the examples, and solutions to the more difficult questions in the exercises of Part Third.
To those who have been accustomed to teaching arithmetic ana lytically, that portion of the Key which relates to the Oral exercises, will be useless. N or need it be used by any teacher who will L'tm. Part Second with a class, and proceed step by step throuorh eve section. But it may often happen, that a teacher unacquainted wi the method of instructing in mental arithmetic, will be called to the instruction of a school, in which the scholars have already made some progress therein. In such cases, the solutions will be found convenient.
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