Excerpt from How to Teach the Critical Difficulties of Arithmetic: To Accompany the California State Series Advanced Arithmetic; For Normal Students and Experienced Teaches Write a miscellaneous list of proper, improper fractions and mixed numbers on the board. Have pupils tell whether each is I (improper), M (mixed number) or P (proper). This form of drill may be either oral or written.2. Changing Improper Fractions to Mixed Numbers. 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.