1. Developing mathematics education in a systemic process

   • Erich Ch. Wittmann

   OriginalPaper Pages: 1 - 20

2. For a learnable mathematics in the digital cultures

   • Richard Noss

   OriginalPaper Pages: 21 - 46

3. Development of reasoning associated with pictographs: Representing, interpreting, and predicting

   • Jane M. Watson
   • Jonathan B. Moritz

   OriginalPaper Pages: 47 - 81

4. Institutional and personal meanings of mathematical proof

   • Angel M. Recio
   • Juan D. Godino

   OriginalPaper Pages: 83 - 99

5. Student difficulty in constructing proofs: The need for strategic knowledge

   • Keith Weber

   OriginalPaper Pages: 101 - 119

6. Instructions for Authors

   Instructions for Authors Pages: 121 - 128