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There Mathematice in many articles concerning dynamic geometry. Several have very fine aspects of certain software, allowing use in class pretty hair extensions amazing. The objective of this article is not to go in that direction, but rather to focus on the practicalities of implementation with students, based on the observation that it is not always hair extensions easy to practice dynamic geometry class, especially when it is the students who handle ... The Labomep application currently allows to script, distribute and retrieve hair extensions student work for situations involving Tracenpoche or GeoGebra software (with the prospect futures will also find excellent CaRMetal software). We will show in this article hair extensions how to proceed and what can be achieved with Labomep on examples deliberately very simple. Once the principle is laid on basic examples, everyone can experience by tapping into the abundant literature on the subject and found many examples on the Internet. Principle
Tracenpoche GeoGebra and are implemented hair extensions in Labomep on the same principle (which also allows hair extensions to pass easily from one to another and to accustom students to a plurality of tools with different characteristics). More generally, hair extensions this implementation corresponds to a more general pattern of tools Labomep. As a reminder, Labomep is a contraction of "Laboratory Mathenpoche" and it is obviously necessary tools to power the lab. Among these tools, some concern eg mental arithmetic (discussed in another article), others refer to various features (simple question ... external link), and therefore there these two geometry tools dynamic (pending tools for computer algebra currently in development).
With a tool, you can create hair extensions a resource. This resource in Labomep can be recorded, annotated (for easy retrieval), stored in folders ... Here is an example of a possible storage to illustrate this:
This resource can be shared with colleagues from the same institution (and ultimately more widely: it is under study). More importantly, it can be placed in sessions that can be easily differentiated according to students (this is a major strength of the application). Once placed in a session, the resource can be used by students and the teacher gets his class for the balance of the session. In the case before us, the record may contain, for each student, a text produced and / or construction with a dynamic hair extensions geometry software.
Students may need to use a dynamic geometry software by themselves in front devices like the TNI or projector. This obviously use a lot of interest (in particular to conduct hair extensions a class discussion), but generally there is only one student who can intervene both on the computer. By cons, computer room (or for those who are lucky enough to be in devices where all students have a laptop), it is possible to allow each student to experiment or build itself hair extensions .
From a practical point of view, several problems can then ask the teacher: a) How to install the software in the computer room (especially if there is no network) and how to easily set (remove features for example)? b) How to give the instruction hair extensions to students, especially in the case of a differentiated or a sequence of several years work? c) And above all: how to easily retrieve student work (text and or figure)? and how to access it without it being too long or tedious (recover files, open them one by one ...)?
I would like my students to work on the 5th position hair extensions of the center of the circumscribed circle in a triangle. To do this, first I want they build the circumscribed circle without using the mediator button (to force them to build community and perpendicular) and ask them to speculate a property on the position of the center following the triangle. For this, I'll give them the triangle already built (without departing obtuse angle) they can deform thereafter.
a. In the "My Resources" tab I click on the green button with a cross "Create a new resource" which brings me to choose among the possible types (this list