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- Rina Hershkowitz
- 2007

ing in context was taken as human activity of mathematization, mainly "vertical mathematization" (Treffers and Goffree, 1985). Vertical mathematization represents the process of constructing a new construct in mathematics by learner/s within the mathematics itself and by mathematical means; like reorganization of previous mathematical constructs,… (More)

We present the learning process of a pair of grade 8 students, who learn a topic in elementary probability. The students successfully accomplish a sequence of several tasks without apparent difficulty. When working on a further task, which seems to require only actions they have previously carried out well, they run into difficulty. In order to explain this… (More)

- Rina Hershkowitz, Baruch Schwarz, Shirly Azmon
- ICLS
- 2010

- Naomi Prusak, Rina Hershkowitz, Baruch B. Schwarz
- ICLS
- 2010

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