Applied Arithmetic: Book 1 (1919)

Nels Johann Lennes

জানু ১৯১৯ · J.B. Lippincott Company

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Three-book series is intended to cover the work in Arithmetic of the second, third, and fourth grades. The principles which have guided the authors may be grouped under three main heads: 1. Selection and organization of subject matter; 2. Derivation and application; and 3. Motivation.--From preface.