This series of arithmetics makes a carefully planned attempt to combine the psychology of number-learning with the best experience of successful class-room practice. The principle employed is that the primary purpose of arithmetic is to put in the hands of the child a well-mastered tool for use in the practical affairs of his every-day living
Print Book, English, 1927
The Bobbs-Merrill Company, Indianapolis, 1927
3 volumes : illustrations (some color) diagrams ; 19 cm
Books 2-3 written in cooperation with James R. Skiles
Book two written by Raymond A. Kent in cooperation with James R. Skiles.