Czeglédy, IstvánKovács, András2024-09-042024-09-042004-06-01Teaching Mathematics and Computer Science, Vol. 2 No. 1 (2004) , 185-2011589-7389https://hdl.handle.net/2437/379530Recent surveys studying mathematics teaching show that there is a great variety in the level of mathematics teaching in Hungary. To increase efficiency (and decrease differences between schools) it is essential to create textbooks with new attitudes. The experiment we started after the PISA survey of 2000, produced a textbook that is new, in some sense even unusual in its attitude and methods. This paper presents the experiences we gained in the course of this work.application/pdftextbooksystem theoryproblem-solvingsurveyfolyóiratcikkOpen AccessIstván Czeglédy and András Kovácshttps://doi.org/10.5485/TMCS.2004.0060Teaching Mathematics and Computer Science12Teach. Math. Comp. Sci.2676-8364