This textbook is a third-grade course in arithmetic. It contains a review of the preceding book, a continuation and extension of the work in the fundamental processes and in fractions, and the introduction of several new principles in their simplest form, as percentage. The exercises are divided into lessons for convenience. Better results will…

This textbook is part of a series that aims to develop all the mathematical power needed by the average person in the accurate control of his affairs. The purpose has been to teach first the most important topics of arithmetic and last those least frequently used. This book presents topics, problems, and processes that are representative of the…

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…