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Activities of thinking, investigating learning an the role of the teacher. (Denkactiviteiten, onderzoekend leren en de rol van de docent.) (Dutch)
Nieuwe Wiskrant 31, No. 4, 9-12 (2012).
The authors report experiences with tasks, which offer chances to investigate mathematical problems. They discuss the changed role of the teacher.
Reviewer: Martin Winter (Vechta)
Classification: C30 C70
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