Excerpt from Hamilton's Essentials of Arithmetic: Lower Grades The sign means less or minus. 3 - 2=l 3 less 2 equals 1, or 3 minus 2 equals 1. 4. Read: 3 2 3 5. 2 thumbs less 1 thumb are how many thumbs? 6. Tell a number story about 2 pies less 1 pic. 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.