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A Presentation of Business Methods Based
upon Inductively Developed Principles.
By J. H. Dunbar, A. M., Claremont, N. H.
Published in Four Parts, Parts I and II now ready,
Parts III and IV in preparation.
The following are the two points of special superiority claimed for this work:
It develops arithmetical principles, in place of presenting arbitrary arithmetical rules; it thus stimulates the interest and expands the mind of the pupil.
It aims to present direct, common-sense, business-like methods, and thus to produce correct and rapid accountants.
That these claims are not without some foundation will, we think, be admitted by those who read the testimonials in this circular from prominent business men and well-known educators and school officials.
An idea of the plan followed in the development of principles may be obtained from the sample page on the back of this circular. Such development of a principle is always followed by model solutions, complete and systematic explanations, and a large number of exercises for practice.
THE HOWE PRESS, GRANTHAM, N. H.
Hartford, Vt., Aug. 8, 1894. Prof. J. H. Dunbar,
Dear Sir: I have carefully examined your “InPlain of (ompre ductive Arithmetic,” and find it more than interesting. hension
It presents a method of instruction for the school room which is at once original, clear, and plain of comprehension to the student mind. Its arrangement is methodical, building on from one branch
to another in logical sequence, so as to present a truly inductive A truly inductive system of instruction. system Its propositions and definitions are terse and come directly to the
point. From the business man's standpoint it also has superior suggestions and practical methods. Its ready ways of calculation in every-day transactions, and particularly in matters of interest
computations, are quick and economize one's time. A complete directly
mastery of this work by the student would seem to equip him for point all the arithmetical problems of commercial and ordinary business life. Your treatise deserves success and will command it.
Truly yours, (Ex-Governor of Vermont, and President Samuel E. Pingree.
of White River Saving Bank ) lepart
Bethel, Vt., June 28, 1894. J. H. Dunbar, Esq.,
Dear Sir: I have recently examined a copy of your Arithmetic with much interest. It is a new departure in the Educates line of text-books. The arrangement is admirable, and the style instructs clear, simple, and logical. It seems calculated to stimulate the
mind of the pupil and suggest practical methods to the instructor; to educate as well as to instruct.
The treatment of the subject of interest is the best I have ever
seen, accurate and plain. A univer
The general adoption of the book is to be hoped for and will be
a universal benefit to scholars and schools. I have no doubt it will and receive the practical approval it deserves. schools
Sincerely yours, (Ex-Pres. Vt. Bar Association.)
Wm. B. C. Stickney.
sal bene. fit to scholars
Burlington, Vt., Aug. 1, 1894. Presents Mr. J. H. Dunbar, practical
My Dear Sir: I have examined your new “Inducbusiness methods tive Arithmetic,” and am much pleased with it. You seem to have
caught and confined in your book practical business methods. This is emphatically true of those portions devoted to “Compound Num
bers” and to “Interest.” I congratulate you on your success in your
Remark (Member of Congress from Vermont.)
D. J. Foster. short cuts
and logi. cal reg
Beverly, Mass., July 25, 1895.
qnick, results, and the way in which from first to last the pupil is led to correct
solutions reason logically.
Because its methods thus effect quick, correct solutions, and at the same time tend to develop the reason, it meets equally the demand both of the business man and the teacher. The pupil must receive from its study that intellectual stimulus Meets cle
mund which he fails to get from those arithmetics which merely frame both of
business rules for purely mechanical processes.
mart and Yours cordially,
teacher Prin. Beverly (Mass.) Training School.
Claremont, N. H., Mar. 24, 1902. During the spring of 1901, while I was a member of the Clare- Highly
satisfacmont School Board, portions of Dunbar's Inductive Arithmetic, tory to
teachers Part I. and “Business Methods in Interest,” were introduced into the Claremont schools. From personal knowledge I can testify pils that both pupils and teacher were highly pleased with the books, and that the results of their use were in every way satisfactory. To those school officers who, like myself, believe that the best textbook on arithmetic is the one which presents the most business-like
Un methods, and which best develops thinking on the part of the pupil, equaled
for supI heartily commend this work.
plemen C. H. Wilson.
Lempster, N. H., Mar. 26, 1902. This is to certify that we used Dunbar's Inductive Arithmetic in three of our schools last fall and liked them very much. We never have had any book so good for supplementary work or one which awakened the reasoning faculties in children so well. I should recommend its use in any school advanced enough to use it.
Jennie L. Olmstead, Member of School Board.
tion is to
77 Each ques.
39. To Multiply by 147, 125 25 5, etc.
How, then, after obtaining the product by 7 can we obtain
the product of the same multiplicand by 14? weighed, If the product by 7 is 28, what will be the product by 14 ?
If the product by 7 is 91, what will be the product by 14?
How will the order of a product by tens compare with the
order of the product of the same multiplicand by units ? swered by Where, then, should the right-hand figure of the product
by the 14 tens be placed with reference to the right-hand
figure of the product by the 7 units ?
We are to multiply a number by 125 25 5.
After obtaining the product by 5, how can we obtain the
product by 25 ? gains
Where shall we place the right-hand figure of the product by the 25 tens ?
How will the product by 125 compare with the product by practice
How, then, after obtaining the product by 25, can we obin expres.
tain the product by 125 ?
How does the order of the 125 compare with the order of the 25 ?
How, then, will the order of the product by 125 compare
with the order of the product by 25 ? ing and in
Where, then, should the right-hand figure of the product by 125 be placed with reference to the product by 25?
Give, then, a special rule for multiplying by 125255.
placed with reference to the right-hand figure of a preceding ception
partial product ?
If the partial multiplier is four orders higher than the preceding partial multiplier ?
If it is five orders higher ?
If it is ten orders higher? pression
Give, then, a special rule for multiplying a number
By 600 150 30 6.
By 625 125 25 5.
By 256 128 32 8.
By 210 105 155.
By 3 927 81.