This textbook is a fourth-grade course in arithmetic. It contains a review of the principles taught in Book III, with their extension to problems of greater difficulty. A few new principles are introduced from time to time, the aim being to introduce the new thought side by side with the review of those already taught. Realizing that the highest…

This textbook is part of a series designed to give an elementary school child all the arithmetical power necessary to cope with the situations of common everyday life. This book covers fundamental elements of arithmetical manipulation and thought. Thus, a child who goes no farther than the fourth or fifth grade will be so familiar with essentials…

This textbook presents an arithmetic course that seeks to adapt the subject matter to the experiences, interests, and immediate needs of children, and to provide means for a mastery of the formal phases of arithmetic through more scientifically organized drills. This series consists of three books: Primary, Intermediate (ED622334), and Advanced…

This textbook is first in a series of arithmetic books that apply the principles discovered by the psychology of learning, by experimental education, and by the observation of successful school practice, to the teaching of arithmetic. Part One of this book is for use as a supplement to the informal work of grade two, and as a basic text in grade…