Excerpt from Progressive Arithmetic, Vol. 1 Abundant and varied practice, both oral' and written, is given in order to secure accuracy and facility in computation, and the method of development is such that the pupil cannot fail to gain an intelligent comprehension of all the processes that are presented. The presentation always proceeds by very easy and progressive steps from the known to the related unknown. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.