The document discusses the mathematics curriculum and its organization. It defines curriculum as the sum of all student activities and experiences provided by the school. The key components of developing a mathematics curriculum include setting goals, planning learning experiences and content, and assessing outcomes. When organizing the curriculum, principles like logical and psychological order, correlation across topics and grades, and adapting to individual differences should be followed. Approaches to organizing the curriculum include the topical, spiral, logical-psychological, unitary, and integrated approaches.