Excerpt from Primary Arithmetic, or Mental Operations in Numbers: Being an Introduction to the Revised Edition of Adam's New Arithmetic Notes an suggestions to teachers are placed at the end of the book, reference bei made to them in all eases 'bem they will apply. This arrangement p aces a valuable key in the hands of the young teacher, to which the yupil will seldom refer. 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.