information, the elementary instrumentation of
students so that they can participate in this world, is
not only instigating, but essential. This proposal aims
to demystify, for teachers already working and for
those in training, not only the teaching of statistics in
the final years of elementary school but also the
technological support that is available to students to
effectively appropriate this knowledge.
We believe that teaching and learning processes
should be presented to students in a collaborative and
investigative way and, for this, the teacher needs to
break with prerogatives acquired throughout their
development process, as stated by Moraes (1996, p.
59):
“the great majority of teachers still privilege the
old way they were taught, reinforcing the old
teaching, moving the learner away from the
process of knowledge construction”.
In this sense, we point out that by using
technology for teaching, especially through dynamic
software, we create a channel of communication with
our student, whose use increases the student's
engagement and interest, as Romero assures:
“Technology, specifically educational software,
provides opportunities for motivation and
appropriation of the content studied in the
classroom, since in many public and private
schools, teachers use didactic resources such as
blackboard and chalk to teach their classes, this is
one of the many problems that cause the growth
of unsatisfactory quality of teaching, especially in
the state network” (Romero, 2006, Apud
Cavalcante, 2010, p. 3).
Corroborating the study above, the document
Reflections on the contents of probability and
statistics at school in Brazil, published on the website
of the Brazilian Statistics Association (ABE, 2016, p.
1) suggests that the student should be involved with
the entire process, from the choice of research topic,
data collection, to interpretation and discussion of
results, providing an investigative environment.
Among the skills present in the BNCC, we
address the concept of probability, which we can see
in Brazil (2018, p. 315):
“Calculate the probability of events, based on the
construction of the sample space, using the
multiplicative principle, and recognize that the
sum of the probabilities of all elements of the
sample space is equal to 1”.
Still in this perspective, we worked on basic
concepts of Statistics present in the BNCC in Brazil
(2018, p. 315):
“To obtain the values of central tendency
measures of a statistical survey (average, mode
and median) with the understanding of its
meanings and relate them to the dispersion of data
indicated by the amplitude”.
In this way, we chose to work these concepts
using technology and built our applet. It is possible to
build very interesting didactic sequences using the
Geogebra materials, available in the software
platform that are made available for free by teachers
from all over the world for teachers who wish to use
technology in their classroom.
2 METHODOLOGY
To answer the research question we proposed a set of
activities to be done with the students. The proposed
activities were structured in 4 stages:
1. Question preparation
2. Peer Interviews
3. Data Analysis
4. Results discussion
This experiment was developed in an eighth grade
class at the Dulce Trindade Braga school, of the
network of the municipality of Duque de Caxias
within the state of Rio de Janeiro and aimed to
provide students with an environment for
investigating the concepts of statistics in which the
data collection was also idealized and performed by
the students.
At school, the experiment allows students to
engage with the content being addressed by the
teacher, formulate their hypotheses, research
solutions, analyze results, as well as actively
participate with their peers in the teaching-learning
process (Almeida & Malheiro, 2019).
According to Dias & Silva (2010, p. 49) we have
that: “in the experiment, the researcher elaborates the
research scenario, defines the variables and the
subjects to be analyzed, which are divided into
experimental and control”.
This experiment was carried out without the
control group for ethical reasons so that we did not
include any students in this process.