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BY ROSWELL C. SMITH,
AUTHOR OF PRACTICAL AND MENTAL ARITHMETIC, THE PRODUCTIVB GRAMMAR,

THE PRODUCTIVE GEOGRAPHY, &c.

STEREOTY.PE EDITION

HARTFORD:
PUBLISHED BY JOHN PAINE.

1842.

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IT IS NOT EASY TO DEVISE A CURE FOR SUCH A STATE OF THINGS, (THE DECLINING TASTE FOR SCIENCE;) BUT THE MOST OBVIOUS REMEDY IS TO PROPIDE THE EDUCATED CLASSES WITH A SERIES OF WORKS ON POPULAR AND PRACTICAL SCIENCES, FREED FROM MATHEMATICAL SYMBOLS AND TECHNI CAL TERMS, WRITTEN IN SIMPLE AND PERSPICUOUS LANGUAGE, AND ILLUSTRATED BY FACTS AND EXPERIMENTS WHICH ARE LEVEL TO THE CAPACITY OF ORDINARY MINDS."

QUARTERLY REVIEW.

66

THE FIRST THING TO BE REQUIRED IN A SYSTEM OF POPULAR IXSTRUCTION, IS, THAT IT SHOULD BE INTELLIGIBLE; THAT CHILDREN AND YOUTH SHOULD UNDERSTAND WHAT THEY LEARN. UNDERSTAND WHAT THEY LEARN? IT MAY BE ASKED ; WHAT ELSE CAN THEY DO ? we answER, THAI THEY MAY COMMIT IT TO MEMORY, MAY RECITE IT, MAY EVEN MAKE A FAIR SHOW OF KNOWLEDGE, AND YET KNOW NC THING. WE HAVE NOT THB LEAST HESITATION IN SAYING, THAT TWO OR THREE YEARS, IN THE EDU CATION OF ALMOST EVERY INDIVIDUAL IN THIS COUNTRY, HAVE BEEN TIROWN AWAY UPON STUDYING WHAT THEY DID NOT UNDERSTAND."

North AMERICAN Review.

Entered according to Act of Congress, in the year 1841,

BY JOHN PAINE,
in the Clerk's Office of the District Court of Connecticut.

IARSFORD,
STEREOTYPED BY
RICHARD H. HOBBS.

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BEING A MENTAL2 COURSE FOR EVERY CLASS OF LEARNERS.

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CCC

IV*.

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VIII.

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NUMERATION.

D Recite by the Questions. I. 1. NUMBER, which shows how many are meant, is represented' by letters, by words, and by characters' called figures, as :One 11 One hundred

... Two. II 2 Two hundred.

CC

200 Three. III 3 Three hundred

300 Four. 4 Four hundred.

cccc

. 400 Five. V. 5 Five hundred . D or not.

500 Six. ....VI ..:6 Six hundred .

DC Or 1C

600 Seven . . . VII...7 Seven hundred

DCC or iOCC ..700 Eight .8 Eight hundred .

DCCC or locCC... . 800 Nine.

IX*. 9 | Nine hundred. DCCCC or iocccct.. 900 Ten ....X ...10 One thousand. Mor ciot.

1000 Eleven. XI 11 Two thousand.

Il or MM.

2000 Twelve . . XII. . 12 Three thousand III Or MMM.

3000 Thirteen XIII 13 Four thousand

IV or MMMM 4000 Fourteen . XIV 14 Five thousand

V or 150

5000 Fifteen. . XV. 15 Six thousand

VI or 155M

6000 Sixteen . . xvi. . 16 Seven thousand VII or 130MM .. 7000 Twenty . . XX.. 20 Eight thousand.

VIII or 15OMMM ... 8000
Thirty.
Xxx . 30 Nine thousand

IX or 1MMMM .. 9000
Forty
XL* . 40 | Ten thousand.

X or ccroot. ..10000
Fifty.

Twenty thousand xx or cciccio. 20000
Sixty LX
Fifty thousand ..

I or 1505 .....

50000
Seventy · Lxx. . 70 One hundred thousand. 7 or cccioɔɔ 100000
Eighty
Lxxx. 80

Five hundred thousand. 7 or 1990.... 500000
Ninety . . XC* . 90 One million

M or cccc5595.1000000 * Or, ili for 4; viu for 9; xxxx for 40; Lxxxx lor 90; and cm for 900,

Every 5 annexed to to increases its value 10 times : as 1o, is 500), 100 is 5000; in like manner the prefixing of c and the annexing of 5 to cio increases it 10 times as ci), 1000, ccrɔɔ, 10000; lastly a line over any number increases it 1:00 times: as, p, 5001, D, 500000.

Note. L. stands for the Latin language ; G. for the Greek and F. for the French.
1 ARITHMETIC, [G.arithmétike.] Computing, calculating or reckoning by numbers,
2 MENTAL, IL. mentis.) Pertaining to the mind; intellectually.
3 NUMERATION, [L. numeratio.) Numbering; the method or act of numbering.
4 REPRESENTED, Exhibited ; described ; personated; to supply the place of.
6 CHARACTER, A mark; a stamp; a letter; reputation; a personage.

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