Modelagem matemática como ambiente de aprendizagem de conteúdos algébricos no 9º ano do Ensino Fundamental

Abstract

This master's degree research had as objective to elaborate and implement a didactic approach by means of Mathematical Modeling, investigating its application as learning environment in the construction of new meanings of algebraic content, with students from the rural area of brejo paraibano. For this reason, it was necessary to devise and implement an intervention didactics with Secondary Level students, using problem situations, basing on Barbosa (learning environment), Lesh (experimental design at multiple levels), Vygotsky (construction of meanings). The implementation of the course was held in the the Year 9 of Secondary Level for a public school, located in the town of Alagoa Nova-PB, in a class with twenty and six students in the age range of 16 to 23 years old, residing or having contact with the rural area. To check the allocation of new meanings, we used the direct observation by means of annotations in a book of field, the application of questionnaires and analysing the use of algebraic concepts and procedures in the realization of the activities implemented. These activities were based on a didactic module developed by a group of master's students of this institution, aiming to initial and continuing training of teachers in Mathematical Modeling. As a result, we have seen advances in the attribution of meaning to the concept of function and of its representations, relating this concept to situations involving revenue, expenses and profits within the model developed. We conclude that the didactic approach in addition to enabling a greater involvement of students, enables develop skills for group work in an integrated manner and attitudes to see mathematics as a tool for understanding reality.