This paper describes an emerging approach to the design of task sequences and the theory that undergirds it. The approach aims at promoting particular mathematical concepts, understood as the result of reflective abstraction. Central to this approach is the identification of available student activities from which students can abstract the…

[This paper is part of the Focused Collection on Curriculum Development: Theory into Design.] Research in physics education has contributed substantively to improvements in the learning and teaching of university physics by informing the development of research-based instructional materials for physics courses. Reports on the design of these…

Building on the assumption that the most important skill for the future is the ability to think, an initial framework for an intellectual processes curriculum theory is described. A definition of intellectual processes is formulated first: Intellectual processes are those mental operations that enable one to acquire new knowledge, apply that…