Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση
[ocr errors]
[ocr errors]

TUE

NORTH AMERICAN

PRACTICAL

SCHOOL ARITHMETIC:

PARTICULARLY ADAPTED TO

THE MERCANTILE, MECHANICAL, AND AGRICULTURAL

BUSINESS OF THE UNITED STATES,

PREPARED BY

THE PRINCIPAL OF THE ASSOCIATE ACADEMY, NEW YORK,

A PRACTICAL TEACHER OF TWENTY YEARS' EXPERIENCE

REVISED BY

DAVID PRICE,

AUTEOR OF THE ENGLISH SPELLER, AND ELEMENTARY ENGLISH GRAMMAR

NEW YORK:
LEAVITT & ALLEN,
379 BROADWAY.

1858.

ATTE CALLEET LIBRARY

The in
CHARLES Hary HURBER

MAR 5 1926

Entered according to Act of Congress, in the year 1850,

BY DAVID PRICE, In the Clerk's Office of the District Court of the United States for the

Southern District of New York.

PREFACE.

[ocr errors]

The author of this work, for many years a teacher in the constant exercise of his profession, has observedperhaps some will think he should rather say, imagined -that, in this age of rapid improvement, there has been less progress made in the science of arithmetic, than in other departments of school literature. It is admitted that, in the exact sciences, so called, there can be no invention, and little discovery, so far as main facts are concerned. But there may be improved arrangements, and happier elucidations. The processes by which results are obtained, may be simplified and explained in terms of easier comprehension, so that the rules and principles of the science, instead of being abstruse and arbitrary, may carry to the mind a pleasurable conviction.

The author has attempted, in this ork, to secure some improvement in this respect. He has endeavored to explain simply and concisely, to illustrate clearly and fully, and so to arrange his materials, that the pupil, ascending by easy gradations, may reach, without weariness or disgust, the summit of the science of numbers. If he has not succeeded in elucidating the principles and simplifying the mechanical processes of the science, he has accomplished no part of his original design; for he would depre

« ΠροηγούμενηΣυνέχεια »