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''Instrumental Orchestration'' ist ein didaktisches Modell von [[Luc Trouche]] (später ergänzt von [[Paul Drijvers]]), mit dem unter anderem der Einsatz von Technologie im Mathematikunterricht beschrieben werden kann. | |||
==Definition== | |||
The teacher's intentional and systematic organisation and use of the various artefacts available in a learning environment in a given mathematical task situation, in order to guide students' instrumental genesis. | The teacher's intentional and systematic organisation and use of the various artefacts available in a learning environment in a given mathematical task situation, in order to guide students' instrumental genesis. | ||
==Layers== | |||
===A didactical configuration=== | |||
An arrangement of artifacts in the environment, a configuration of the teaching setting and the artefacts invovled in it | An arrangement of artifacts in the environment, a configuration of the teaching setting and the artefacts invovled in it | ||
===Exploitation mode=== | |||
The way the teacher exploits the didactical configuration for her didactical intentions: decisions on the way a task is introduced and worked, on the possible roles, of the artifacts and on the schemes and techniques involved | The way the teacher exploits the didactical configuration for her didactical intentions: decisions on the way a task is introduced and worked, on the possible roles, of the artifacts and on the schemes and techniques involved | ||
===Didactical Performance=== | |||
invovles the ad hoc decisions taken while teaching on how to actually perform in the chosen didactic configuration and aexploitation mode: what quiestion to pose now, how to do justice to or to set asides the student input... | invovles the ad hoc decisions taken while teaching on how to actually perform in the chosen didactic configuration and aexploitation mode: what quiestion to pose now, how to do justice to or to set asides the student input... | ||
==Dimensions== | |||
===Time Dimension=== | |||
ranges from preparation (didactical configuration) to ad hoc decisions (didactical performance) | ranges from preparation (didactical configuration) to ad hoc decisions (didactical performance) | ||
===Structural incidental dimension=== | |||
ranges from operational invariants to incidental things | ranges from operational invariants to incidental things | ||
Analogy: Jazz band leader | Analogy: Jazz band leader | ||
==Orchestration Types== | |||
In technology-rich classroom teaching there can be identified 7 types of instrumental orchestration: | |||
* Technical-demo | |||
* Explain-the-screen | |||
* Lin-screen-board | |||
* Discuss-the-screen | |||
* Spot-and-show | |||
* Sherpa-at-work | |||