1. La notion de continuité dans l'enseignement du second degré

   • A. Revuz

   OriginalPaper Pages: 281 - 298

2. Derivatives and tangents

   • K. E. Hirst

   OriginalPaper Pages: 299 - 305

3. Predicting the relative difficulty of verbal arithmetic problems

   • Max Jerman
   • Raymond Rees

   OriginalPaper Pages: 306 - 323

4. Comments on variable-free calculus

   • Philip S. Marcus

   OriginalPaper Pages: 324 - 330

5. An exploratory investigation of basic mathematical abilities of kindergarten children

   • Joseph M. Scandura
   • Robert McGee

   OriginalPaper Pages: 331 - 345

6. Logic and probability in the lower grades

   • T. Varga

   OriginalPaper Pages: 346 - 357

7. What exactly is dy/dx?

   • Hugh Thurston

   OriginalPaper Pages: 358 - 367

8. Quelques études pour contribuer à l'observation du comportement mathématique des non-mathématiciens

   • Josette Adda

   OriginalPaper Pages: 368 - 392

9. Set-theory in 1888

   • A. F. Monna

   OriginalPaper Pages: 393 - 397

10. XIIIth International Olympiad Bratislava-Zilina, 7–20 July 1971

    Announcement Pages: 398 - 399