EL NATIONAL ARITHMETIC IN WHICH THE PRINCIPLES OF THE SCIENCE ARE FULLY EXPLAINED PUBLISHED BY ROBERT S. DAVIS & CO. NEW YORK: D. APPLETON & CO., AND MASON BROTHERS. ទ Entered In the Clerk's according to Act of Congress, in the year 1848, by BENJAMIN GREENLEAR, ce of the District Court of the District of Massachusetts. Entered according to Act of Congress, in the year 1856, by In the Clerk's of the District Court of the District of Mass husetts. GREENLEAF'S SERIES OF MATHEMATICS. 1. PRIMARY ARITHMETIC; OR, MENTAL ARITHMETIC, upon the Inductive Plan; designed for Primary Schools. Improve electrotype edition. 72 pp. 2. INTELLECTUAL ARITMETIC; OR, GHER ENTAL ARITHMETIC, upon the Inductive Plan; designed to Common Schoo and Aca mies. Improved edition. 3. COMMON SCHOOL ART ETIC; OR, I TRODUTON TO THE NATIONAL ARITHMETIC. Improved store pe edition. 3 pp. 4. HIGHER ARITHMETIC OR THE NATIONAL AHMETIC, being a com plete course of Higher Arithmetic for advanced schors in Common Schools and Acade mies. New electrotype edition, with additions and improvements. 444 pp. 5. PRACTICAL TREATISE ON ALGEBRA, for Academies and High Schools, and for advanced Students in Common Schools. Improved stereotype edition. 360 pp. 6. ELEMENTS OF GEOMETRY, for Academies and High Schools, and for Advanced Students in Common Schools. [In preparation, and will soon be published.] COMPLETE KEYS TO THE INTRODUCTION, AND NATIONAL ARITHME TIC, AND THE PRACTICAL TREATISE ON ALGEBRA, containing Solutions and Explanations, for Teachers only. In 3 volumes. Two editions of the NATIONAL ARITHMETIC, and also of the COMMON SCHOOL ARITH METIC, one containing the ANSWERS to the examples, and the other without them, are pub. lished. Teachers are requested to state in their orders which edition they prefer. |