Status problem teaching aids.. Provide an opportunity for students to understand new perspectives on the concept of a specific

Situation which is organized by the teacher for the whole chapter, in the context of knowledge, and learn new skills.

  And determined   Raynal et Rieunier1997 Being: teaching position formulated by the teacher to:

** Create a space of reflection and analysis of a problem to be solved or an obstacle to be overcome ByMartinand).

**. Provide an opportunity for students to understand new perspectives on the concept of a particular basis of this   Space - the problem Espace problème (Called De Ketele and Rogiers X. This situation, the status of exploration).

= Position in the context of an educational learning meaningful and the meaning of the learner, designed to upset the structure of knowledge in order to build the new place Altalmat competence

This situation is characterized by:

** The status of exploration are at the beginning of the lesson.

** Allow mobilization of the gains of integrated

** Guide the learner to accomplish the task of meaningful teaching and learning, social, cultural, or ethical or ...

** Carries the meaning of autonomy for the learner in his own life or the public.

** Pose a challenge for the learner in its approach; where unable to find a solution, and therefore feels that he desperately need to acquire the adequacy of a particular situation to approach an effective way. Thus generated has the desire to learn, this is called job teaching aids for this kind of situations. A function on the effectiveness of incentive to build Altalmat associated with competence, not T, but an exercise approach to the problem or the problem is.