Arithmetic by Grades for Inductive Teaching, Drilling and Testing, Βιβλίο 8

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Σελίδα 116 - Cloth. 264 pages. For introduction, 70 cents. THIS sterling book was prepared under the personal supervision of the late Professor Whitney. The formal statement of principles and rules has been modified only so far as was necessary to secure greater simplicity. The inductive method of the original has been in general retained. The book may therefore be said to bear the stamp of eminent scholarship, and to be so far authoritative. Some special features of the revision are as follows : Topical Arrangement....
Σελίδα 63 - If two men start from the same place, and travel in opposite directions, the one traveling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Σελίδα 42 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Σελίδα 109 - Rule — From the square of the hypothenuse subtract the square of the given side, and Fig.
Σελίδα 116 - ... simplicity. The inductive method of the original has been in general retained. The book may therefore be said to bear the stamp of eminent scholarship, and to be so far authoritative. Some special features of the revision are as follows : Topical Arrangement. The work has been entirely rewritten in topical form. The improvement in typography will commend itself. Topical headings are printed in boldface type ; examples are in smaller type, and so arranged as to stand out clearly from the text....
Σελίδα 96 - New York North Carolina North Dakota Ohio Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming LLL KAT°.
Σελίδα 109 - The contents of the frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by a third of the altitude.
Σελίδα 116 - ... work has been entirely rewritten in topical form. The improvement in typography will commend itself. Topical headings are printed in boldface type ; examples are in smaller type, and so arranged as to stand out clearly from the text. Simplicity and Conciseness. The aim has been to make a practical, rather than a pretentious, text-book. To this end the editor has sought to embody the most important facts of the language, and to set them forth simply, distinctly, and concisely. Abundant Illustration....

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