IN ARITHMETIC PART II BY WILBUR F. NICHOLS, A.M. SUPERVISING PRINCIPAL OF THE EATON SCHOOL DISTRICT, BOSTON THOMPSON BROWN COMPANY (JOHNSON, BLAGDEN & CO.) CHICAGO NEW YORK Educ T 119.11. 605 HARVARD COLLEGE LIBRARY GIFT OF GINN & COMPANY COPYRIGHT, 1911 PREFACE THIS book is designed for the use of pupils during the fifth and sixth years of school. The work intended for each year is indicated and will be found to contain first, a review of all work up to the present time; second, a presentation of new work, and third, a general summary at the end. The book aims to give the pupils slightly more complicated exercises, and those involving somewhat larger numbers than in the preceding book, thus keeping pace with their enlarging powers. The problems have been carefully selected and made as practical as the experiences of the pupils will allow. A large amount of oral work is given, because of the belief that skill in solving problems orally is the best preparation a pupil can have for the problems that he will meet in life. Pupils should be urged to solve orally as many problems as possible in every lesson. Since a thorough mastery of any subject comes only from repetition, many review exercises are given so that the pupils may learn to rely upon themselves and to work independently. The author acknowledges his indebtedness to all who have assisted by suggestions, but especially to Miss Mabel L. Gessner, who planned the lessons devoted to Domestic |