Three determinants of difficulty in verbal arithmetic problems Pearla Nesher OriginalPaper Pages: 369 - 388
Enquiry, discovery and research: Terminology and meaning Menahem FinegoldShmuel Avital OriginalPaper Pages: 389 - 397
The place of geometry in mathematics teaching: An analysis of recent developments H. J. Vollrath OriginalPaper Pages: 431 - 442
La géométrie projective à l'école Emma CastelnuovoDanielaClaudio Gori-Giorgi OriginalPaper Pages: 443 - 463
Balancierte graphen-ein thema für die didaktische diskussion zum geometrieunterricht G. Walther OriginalPaper Pages: 465 - 495
Approche des statistiques en classe de sixième: Analyse de résultats sportifs Claude ComitiMarie-Rose GuillermardAlain Solano OriginalPaper Pages: 497 - 521
A commentary from iea on Dr. Freudenthal's article in: Educational studies in mathematics, vol. 6, no. 2 G. F. Peaker OriginalPaper Pages: 523 - 527
