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American Tutor's Assistant

REVISED;

OR,

A COMPENDIOUS SYSTEM OF

PRACTICAL ARITHMETIC;

CONTAINING

THE SEVERAL RULES OF THAT USEFUL SCIENCE,

CONCISELY DEFINED, METHODICALLY ARRANGED, AND
FULLY EXEMPLIFIED.:

THE WHOLE

PARTICULARLY ADAPTED TO THE EASY AND REGULAR

INSTRUCTION OF YOUTH IN OUR AMERICAN SCHOOLS.

Originally compiled by sundry Teachers in and near Phila-
delphia; now Revised, and an additional number

of Examples given in money of the

United States.

TO WHICH IS ADDED, A COURSE OF

BOOK-KEEPING by Single Entry.

PHILADELPHIA,

PRINTED AND SOLD BY JOSEPH CRUKSHANK

1813.

DISTRICT OF PENNSYLVANIA, το WIT:

Be it Remembered, That on the Twenty-seventh Seat day of May, in the Thirty-third Year of the Independence of the United States of America,

A. D. 1809, JOSEPH CRUKSHANK, of the said District, hath deposited in this Office the Title of a Book, The Right whereof he claims as Proprietor, in the words following, to wit:

"THE American Tutor's Assistant revised; or a compendious System of Practical Arithmetic; containing the several rules of that useful Science, concisely defined, methodically arranged, and fully exemplified. The whole particularly adapted to the easy and regular instruction of Youth in our American Schools. Originally compiled by sundry teachers in and near Philadelphia; now revised, and an additional number of Examples given in Money of the United States. To which is added, a Course of Book-keeping by Single Entry."

In Conformity to the Act of the Congress of the United States, entitled "An Act for the Encouragement of Learning, by securing the Copies of Maps, Charts and Books, to the Authors and Proprietors of such Copies, during the Times therein mentioned." And also to the Act, entitled

An Act supplementary to an Act, entitled "An Act for the Encouragement of Learning, by securing the Copies of Maps, Charts and Books, to the Authors and Proprietors of such Copies, during the Time therein mentioned," and extending the Benefits thereof to the Arts of designing, engraving, and etching historical and other Prints."

D. CALDWELL, Clerk of the
District of Pennsylvania.

Lately published and for sale by Joseph Crukshank, price 75 cents. A Key to the American Tutor's Assistant, revised; in which all the sums necessary for a learner are wrought at large.

Recl.

4-5-43

Travers PREFACE.

11-25-30

23046

THE former impressions of The American Tutor's Assistant having been well received by the public, the Proprietor has been induced to revise it, and has now made some amendments and additions, which he presumes will render it more acceptable to teach

ers.

To avoid increasing the size and price of the book, some parts have been omitted, to make room for matter considered of more essential use.

To this edition is added, a course of Book-keeping, according to the method of Single Entry, with a description of the books, and directions for using them.

Much attention has been given to the revision and correction of the work, and the errors which had escaped notice in the former are corrected in this edition.

4

A

RITHMETIC

is the art of computing by numbers. Is has five principal rules for its operations, viz. nt meration, addition, subtraction, multiplication, and division.

NU

NUMERATION.

UMERATION teaches to express numbers by figures, set down or named, and consists of two parts, viz.

First, the right placing of them.

Second, The true valuing of each figure, in its proper

place; both

which are exhibited in the following

TABLE.

Thousands

Hundreds

Tens of Thousands
Hundreds of Thousands66

[blocks in formation]

55555

777

8

[blocks in formation]

321 Three hundred and twenty-ane.

4.321

54 321

4 Thousand 321

5 Thousand 321

4 321654 Thousand 321
4321

7 Million 654 Thousand 321

54 321 87 Million 654 Thousand 321 987 654321987 Million 654 Thousand 321 The above table is comprised in the following:--

Tens
Units

Hundreds

Thousands

Tens of Thousands
Hundreds of Thousands

Millions
Tens of Millions
Hundreds of Millions

987

54

321

Millions.

Thousands Units.
A

Nine

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