1. Problem-solving on a computer-based teletype

   • Patrick Suppes
   • Elizabeth F. Loftus
   • Max Jerman

   OriginalPaper Pages: 1 - 15

2. Initiation aux probabilités à l'école élémentaire

   • E. Fischbein
   • Ileana Pampu
   • I. Mînzat

   OriginalPaper Pages: 16 - 31

3. A teachers course colloquium on sets and logic

   • Hans Freudenthal

   OriginalPaper Pages: 32 - 58

4. A catalog of models for the operations of addition and subtraction of whole numbers

   • Floyd R. Vest

   OriginalPaper Pages: 59 - 68

5. Initiation to vector spaces

   • Maurice Glaymann

   OriginalPaper Pages: 69 - 79

6. ICMI report on mathematical contests in secondary education (olympiads) I

   OriginalPaper Pages: 80 - 114

7. Apparent conflicts in maths education

   • M. Bruckheimer
   • N. Gowar

   OriginalPaper Pages: 115 - 122

8. The development of self-reliant thinking in mathematics teaching

   • Erich Wittmann

   OriginalPaper Pages: 123 - 133