3 papers
math.HO2016
From conjecture generation by maintaining dragging to proof
Anna Baccaglini-Frank, Samuele Antonini
In this paper we propose a hypothesis about how different uses of maintaining dragging, either as a physical tool in a dynamic geometry environment or as a psychological tool for g…
math.HO2016
Maintaining dragging and the pivot invariant in processes of conjecture generation
Samuele Antonini, Anna Baccaglini-Frank
In this paper, we analyze processes of conjecture generation in the context of open problems proposed in a dynamic geometry environment, when a particular dragging modality, mainta…
math.HO2016
Coming to see fractions on the numberline
Elisabetta Robotti, Samuele Antonini, Anna Baccaglini-Frank
The aim of this paper is to present a didactical sequence that fosters the development of meanings related to fractions, conceived as numbers that can be placed on the number line.…