AN

ARITHMETIC

FOR

PREPARATORY SCHOOLS,

HIGH SCHOOLS, AND ACADEMIES.

BY

CHARLES A. HOBBS, A.M.,

MASTER OF MATHEMATICS IN THE BELMONT SCHOOL, BELMONT, MASS.

PREFACE.

This book is designed particularly for pupils in preparatory schools, and it is likewise adapted for the use of all pupils who desire a thorough knowledge of Arithmetic.

The four fundamental operations of Arithmetic should be learned by a thorough drill in the elementary schools. This cannot be too strongly insisted upon, as accuracy and readiness of work in all parts of Arithmetic are dependent on these fundamental operations. After such a drill the pupil is ready for rapid advancement. Since this fundamental work belongs to the elementary schools, it has been omitted in this book, and the space has been given to examples for more advanced pupils.

Special attention has been paid to the selection of examples, over a thousand of which have been taken from entrance papers given at various universities and colleges. The 275 miscellaneous examples at the end of the book are all taken from such entrance papers and from entrance papers given at the United States Military and Naval Academies at West Point and Annapolis. An abundance and variety of examples, sufficient to render the pupil. master of the subject, will be found in all parts of the book.

In the selection of illustrative examples, great care has been taken to present those which will make clear to the pupil all the difficulties he is liable to meet. The solu