Reflective Reform in Mathematics: The Recursive Nature of Teacher Change Elizabeth Smith Senger OriginalPaper Pages: 199 - 221
Factors that influence teachers learning to do interviews to understand students' mathematical understandings M. Kathleen HeidGlendon W. BlumeBarbara S. Edwards OriginalPaper Pages: 223 - 249
The role of operation sense in transitions from arithmetic to algebraic thought David Slavit OriginalPaper Pages: 251 - 274
The mediation of tools in the development of formal mathematical concepts: The compass and the circle as an example Dimitris Chassapis OriginalPaper Pages: 275 - 293
