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613436

C
ROBINSON'S
NEW ARITHMETICS

N'S

Robinson's New Primary Arithmetic
Robinson's New Rudiments of Arithmetic
Robinson's New Intellectual Arithmetic
Robinson's New Practical Arithinetic
Robinson's New Higher Arithmetic

Two-Book Course for Graded Schools

Robinson's New Rudiments of Arithmetic
Robinson's New Practical Arithmetic

Copyright, 1891, by D. W. Fish
Copyright, 1894, by AMERICAN BOOK COMPANY

NEW INTELLECTUAL

W. P. 4

PREFACE.

The importance, and the practical benefit to be derived from the study of Intellectual Arithmetic, not only as a preparation for business life, but as a means of developing and strengthening the thinking and reasoning powers, and of thorough mental culture, cannot be overestimated. Not only is it a necessary study for young pupils, but it is indispensable to the more advanced student, as a preparation for the prompt and accurate business man. And it is believed that, as a general rule,

a the most critical, correct, and ready students of mathematics are those who have been most thoroughly drilled in Intellectual Arithmetic.

This work is designed for those who have first been well taught in a primary book, and for such as are pursuing the study of written arithmetic or algebra, and who have never been thoroughly exercised in this branch of study.

The aim throughout has been to make the work progressive and comprehensive, to develop clearly all essential principles, and to afford a thorough mental drill

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