These eleven essays range across a variety of topics. They concern: (1) philosophy and the curriculum, with comments on accountability, humanism, programmed learning, hierarchies, structure, idealism, existentialism, realism, experimentalism, and essentialism; (2) philosophy in the mathematics curriculum, with comments on mathematics laboratories, programmed learning, contracts, management systems, and learning centers; (3) objectives and learning activities in the mathematics curriculum, focusing on objectives and on using various types of materials; (4) providing for individual differences and designing the mathematics curriculum, with sections on slow learners, talented pupils, learning activities, other ways of providing for individual differences, and scope; (5) principles of learning and the mathematics curriculum, with comments on purpose, interest, problem solving, meaningful learning, individual differences, mathematics concepts, decision-making, and evaluation; (6) mathematics and the learner; (7) change in education; (8) inservice education and the computer; (9) innovation, technology, and the mathematics curriculum; (10) knowledge of results, with comments on evaluation procedures, behaviorism, and humanism; and (11) evaluating achievement in mathematics, including the use of observations, checklists, teacher-made tests, standardized tests, work samples, parent-teacher conferences, tape recorders, pupils' responses, and pupil-teacher conferences. Some chapters provide selected references. (MNS)