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เนื้อหาย่อ : Mathematics is the common heritage of all people. The position of leadership and service to which a nation rises depends largely on the ability of all its people to understand and apply simple mathematical truths and on the relatively few, by com- parison, who need to apply the more advanced branches of mathematics. ery word in the title "Basic Mathematics Simplified" is descrip purpose, organization and scope of this book. Each unit, each section and each part is the result of extensive analysis into the basic mathematical skills needed by in- iduals in preparation for satisfactory economic and social adjustr The funda- mental question, "How much arithmetic and mathematics does a person need to earn a living and to live a meaningful life?" is answered in this book. "Basic Mathematics Simplified" provides instructional material for a well- balanced, continuous and integrated program of mathematics based on concrete life needs. pe is broad enough to permit adaptation of content to meet the needs and capacities of students. The pattern used in the development of each instructional unit makes possible the continuous adjustment and reorganization of programs and methods. These changes ghize variations within individuals to progress according to individu put mathematics to work in real problems which are significant to the individual. teful acknowledgment is made to Elmer A. Rotmans, Head, Drafti on Technical and Industrial High School, Rochester, for the skillful f all drawings; to Alan Wayne, Chairman, Related Subjects Depa liamsburg Vocational High School, New York City, for technically ed uscript and for critically reviewing the organization and content of ever for indexing to Janet Strube, State Library, New York State Education Department, English editing; to Louis Siy, Albany Public Schools and to Helen C. ance in preparing the manuscript for public and to the teachers and super- visors who assisted in testing this material. sic Mathematics Simplified" is dedicated to Hilda G. Olivo, an o her, and to three typical American childre Connie, Tommy and Judy. Each has been generous in sharing through the years the numberless hours which were needed in the successive stages of research, outlining, developing, testing and refining to the step of preparing the final manuscript. This book is a special tribu