Key to the New Practical Arithmetic: With Answers to Exercises in the New Elementary Arithmetic; Prepared for the Mathematical Series of Benjamin Greenleaf, A. M (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Key to the New Practical Arithmetic: With Answers to Exercises in the New Elementary Arithmetic; Prepared for the Mathematical Series of Benjamin Greenleaf, A. M

IN deference to the opinion of some good teachers, the editor of the New Practical Arithmetic has been disinclined, either to make, or authorize to be made, a Key to that work.

It appears, however, that there can hardly be a mathematical book of any considerable popularity without a Key in some form. Withholding such a help in this case from the teacher and private learner, has failed of the hoped-for result. It has given occasion for the manufacture of many manuscript keys, and their free use in the school-room.

It has, also, been found that many teachers desire ready access to omitted answers, and that not a few, who are in charge of many pupils, fail of time to examine in detail numerous arithmetical Operations, without a hand-book of solutions.

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