[b]Ένα GeoGebra book για τις εννοιολογήσεις της κλίσης ευθείας.
[/b]Χρησιμοποιήθηκαν οι εννοιολογήσεις της κλίσης που περιγράφονται στα:
Stump, S. (1999). Secondary mathematics teachers’ knowledge of slope. [i]Mathematics Education Research Journal[/i], 11(2), 124-144.
Stump, S. (2001α). Developing preservice teachers’ pedagogical content knowledge of slope. [i]The Journal of Mathematical Behavior[/i], 20(2), 207–227.
Stump, S. (2001β). High School precalculus students' understanding of slope as measure. [i]School Science and Mathematics[/i], 101, 81-89.
Moore-Russo, D., Conner, A., & Rugg, K. I. (2011). Can slope be negative in 3-space? Studying concept image of slope through collective definition construction. [i]Educational Studies in Mathematics,[/i] 76(1). 3-21.
