Introducing an old calculating instrument in a new technologies environment: a praxeological analysis of students' tasks using different registers

The Chinese abacus is the resource presented in this paper, to teach and learn number sense and place-value system at primary level. The Chinese abacus can be material, virtual (software) or drawn on a worksheet. We present three tasks and analyse them in term of techniques and relative knowledge. W...

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Bibliographic Details
Main Author: POISARD, CAROLINE
Format: Online
Language:English
Published: Urray 2017
Subjects:
Online Access:https://pasithee.library.upatras.gr/review/article/view/2839
Description
Summary:The Chinese abacus is the resource presented in this paper, to teach and learn number sense and place-value system at primary level. The Chinese abacus can be material, virtual (software) or drawn on a worksheet. We present three tasks and analyse them in term of techniques and relative knowledge. We show how these tasks can be solved by students in different registers (material, software, paper-and-pencil, fingers, oral) which is important for both students' understanding and teachers' activity.