This mathematics textbook, developed for use with slow learners and learning disabled students in secondary school, contains 17 chapters. Among the topics covered are: number words; place value; rounding whole numbers; addition, subtraction, multiplication, and division of whole numbers; reducing fractions; mixed numbers; lowest common denominator; comparing fractions; and addition, multiplication, and division of fractions and mixed numbers. Each chapter begins with the statement of an "aim" and a "method." (MK)