Excerpt from Key to Adams's New Arithmetic: For the Use of Teachers Every school-house should be furnished with a black board; arithmeticians should be classed, a'nd exercised upon it. This is one of the great modern improvements in' teaching the science; Neglect is chargeable somewhere, if it be not done. 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.