1. Lines of thought: A ratio and operator model of rational number

   • David William Carraher

   OriginalPaper Pages: 281 - 305

2. A hint is not always a help

   • Jacob Perrenet
   • Wim Groen

   OriginalPaper Pages: 307 - 329

3. Toward a constructivist perspective: The impact of a mathematics teacher inservice program on students

   • Martin A. Simon
   • Deborah Schifter

   OriginalPaper Pages: 331 - 340

4. Encouraging the transfer of ‘school’ mathematics to the ‘real world’ through the integration of process and content, context and culture

   • Jo Boaler

   OriginalPaper Pages: 341 - 373

5. Images of mathematics held by university teachers of mathematical sciences

   • Roberta Mura

   OriginalPaper Pages: 375 - 385