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Dissertations |
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1
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Hiago Gomes Pereira
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Classification of groups generated by automata of two states.
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Advisor : FLAVIA FERREIRA RAMOS ZAPATA
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COMMITTEE MEMBERS :
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ALEX CARRAZEDO DANTAS
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FLAVIA FERREIRA RAMOS ZAPATA
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RICARDO NUNES DE OLIVEIRA
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RUI SEIMETZ
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Data: Feb 15, 2023
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Show Abstract
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Matemáticos e cientistas da computação possuem grande interesse em grupos de autômatos, já que esses oferecem respostas para problemas complexos. Se os objetos a serem classificados podem ser descritos de forma combinatória, é natural querer classificá-los por complexidade. Os problemas de classificação estão entre os principais problemas matemáticos. Neles, visa-se categorizar objetos matemáticos por sua complexidade em diferentes classes. Neste trabalho, no teorema principal, classificou-se os grupos gerados por autômatos de dois estados sobre o alfabeto de duas letras. Existem 64 autômatos invertíveis agindo sobre um alfabeto de duas letras, mas apenas seis grupos de autômatos: o grupo diedral infinito, o grupo Lamplighter, o grupo cíclico-infinito, o grupo cíclico de ordem dois, o grupo de Klein e por fim o grupo trivial. Para além dessa classificação, foi proposta uma aplicação para o ensino de parte dos conceitos abordados. Optou-se pelo ensino de autômatos e máquinas de leitura para crianças cursando o ensino fundamental. O objetivo é fornecer a esses alunos um primeiro contato com a linguagem de máquinas, linguagem essencial a computação moderna.
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2
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Igor Alexandre Gomes de Almeida
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A proposal for teaching Limits and Derivatives in High School
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Advisor : TARCISIO CASTRO SILVA
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COMMITTEE MEMBERS :
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ILTON FERREIRA DE MENEZES
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RAIMUNDO DE ARAUJO BASTOS JUNIOR
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RUI SEIMETZ
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TARCISIO CASTRO SILVA
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Data: Feb 16, 2023
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Show Abstract
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In this work, we develop a brief introduction to the concepts of numerical sets,
functions, limits and derivatives. We present statistical data that synthesize the result of applying
Limits and Derivatives in a short course given to high school students. While reading, the reader
will come across a successful pedagogical proposal for teaching these concepts that, commonly,
high school students contemplate in higher education, specifically in the field of Exact Sciences.
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3
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Thales Victor Dias
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Advisor : RUI SEIMETZ
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COMMITTEE MEMBERS :
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RUI SEIMETZ
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SIMONE VASCONCELOS DA SILVA
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RAQUEL CARNEIRO DORR
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ELEANDRO ADIR PHILIPPSEN
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Data: Mar 27, 2023
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Show Abstract
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This work will describe difficulties present in the teaching-learning process in the study
of limits of functions of a real variable. Based on two questionnaires, we will present students' perception
and their results in questions applied in the second semester of 2022.
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4
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Flávio de Aguiar Ferreira
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The use of technological resources in the Mathematics teaching-learning
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Advisor : TATIANE DA SILVA EVANGELISTA
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COMMITTEE MEMBERS :
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TATIANE DA SILVA EVANGELISTA
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RUI SEIMETZ
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VINICIUS DE CARVALHO RISPOLI
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Agenor Freitas de Andrade
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Data: May 12, 2023
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Show Abstract
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The main objective of this dissertation is to make educators have a new vision about the improvement achieved in student learning when introducing technological devices in their classes. Initially, the idea of writing this work was to work only with mathematical software in the development of Mathematics. Although in the course of the study, it was seen that technology does not only revolve around electronic and modern equipment, but tools created a long time ago such as the ruler, the compass, the square and the Soroban. These tools, which were innovative in their time, are now underused. When collecting the opinion of Mathematics teachers, some believe that a lot of time is lost using such resources, but others believe in the advantages that such materials can offer in the development of different types of mathematical content. Initially, the importance and contributions that Mathematics provided to technology were addressed, both currently and in times when there was no electronic equipment, that is, through analog or manual equipment. It was also detailed about the importance of using such tools in the classroom, in addition to the challenges faced by the educator when leaving the traditional classroom and adopting a differentiated methodology using these resources. To defend this theory, a survey was carried out with teachers and elementary school students who gave their opinion on the use of these tools. Based on this research, work was carried out in the classroom, emphasizing the application of the contents using the materials presented in the body of this dissertation, proving the thesis that there are more advantages than disadvantages when introducing technology to Mathematics classes.
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5
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Douglas Gomes de Almeida
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Law of Cosines: A Plural and Enriching Perspective for High School Education
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Advisor : ANDRE VON BORRIES LOPES
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COMMITTEE MEMBERS :
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ANDRE VON BORRIES LOPES
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MATHEUS BERNARDINI DE SOUZA
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THIAGO WILLIAMS SIQUEIRA RAMOS
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VINICIUS DE CARVALHO RISPOLI
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Data: Jun 27, 2023
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Show Abstract
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This dissertation presents a didactic presentation that focuses on the various forms of demonstration and the versatile applications of the law of cosines in the architecture of Brasilia. Drawing upon Vygotsky's sociohistorical theory and the construction of the mathematics learning process, our objective is to foster understanding, interaction, and utilization through different approaches to mathematical representation (algebraic, geometric, and computational) using analytical geometry, both static and dynamic. By employing these tools and appropriate languages, we aim to enhance the learning experience.
Furthermore, we will explore the application of the law of cosines in the context of Brasilia's architecture, considering notable monuments and contributions by the architect Oscar Niemeyer. Additionally, we will leverage GeoGebra in an innovative manner, allowing students to explore alternative resources for solving mathematical models in a technological way.
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6
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Marcelino Agleison Vieira Pedrosa
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Assessment for learning in Mathematics: an experience with test in phases in High School
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Advisor : WESCLEY WELL VICENTE BEZERRA
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COMMITTEE MEMBERS :
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CLEYTON HERCULES GONTIJO
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MATEUS GIANNI FONSECA
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ROGERIO CESAR DOS SANTOS
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WESCLEY WELL VICENTE BEZERRA
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Data: Jul 12, 2023
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Show Abstract
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This paper aims to present reflections arising from the use of the test in phases as an assessment tool focused on learning in mathematics classes. Fourteen students from a third grade class of a public high school in the Federal District participated in this investigation. To carry out this investigation, we chose a qualitative and interpretive methodology and the use of a test composed of four discursive questions that was applied in two phases. After completing the test in phases, the students answered a questionnaire to identify their perceptions about this experience. At the end, we observed some positive points in the use of this test, such as: identification of gaps in student learning and opportunities to provide more efficient feedback.
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7
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Fabrizio Fidelis da Silva
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Exploring the Pythagorean Theorem from the perspective of critical and creative thinking in mathematics.
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Advisor : CLEYTON HERCULES GONTIJO
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COMMITTEE MEMBERS :
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ALEXANDRE TOLENTINO DE CARVALHO
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CLEYTON HERCULES GONTIJO
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MATEUS GIANNI FONSECA
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WESCLEY WELL VICENTE BEZERRA
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Data: Jul 17, 2023
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Show Abstract
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The research “Exploring the Pythagorean Theorem from the perspective of critical and creative thinking in mathematics” deals with a study of the Pythagorean Theorem from the perspective of critical and creative thinking in mathematics in educational contexts that seek to improve students' creative processes. In Brazil, the teaching of mathematics predominantly follows the banking model, based on lectures, mainly theoretical. However, in view of the social, economic, political and cultural transformations of the modern world, mathematics education has been questioned as to its role in this society, which requires a new type of professional and more creative citizen. For this purpose, mathematics education must articulate learning for the world of work and learning for the world of social relations. In this sense, in order to seek a solution to this new reality, the Pythagorean Theorem was chosen, the most famous mathematical proposition in the world, with the aim of finding new and creative ways for teaching mathematics. For this, we explore aspects related to the History of Mathematics in order to approach the scenario of this theorem, we present some demonstrations and applications of the theorem. Then, a review is carried out on the concept of creativity and critical and creative thinking in mathematics. Finally, based on these theories, an attempt was made to build a didactic strategy, through the Workshop in Mathematics on the Pythagorean Theorem, in order to make teaching more interesting and conducive to the development of students.
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8
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DANILO PEREIRA DOS SANTOS
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Exploratory teaching and learning integer and rational numbers: experience in youth and adult education
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Advisor : REGINA DA SILVA PINA NEVES
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COMMITTEE MEMBERS :
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REGINA DA SILVA PINA NEVES
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RAQUEL CARNEIRO DORR
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RUI SEIMETZ
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ANA MARIA PORTO NASCIMENTO
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Data: Aug 31, 2023
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Show Abstract
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Mathematics Education has gained space in the educational scenario, since the urgent need to improve the quality of teaching and learning in the various modalities of Basic Education has driven research in the area. In this context and in the search for methods that can positively
influence the process of teaching and learning mathematics, Exploratory Teaching stands out as a didactic approach. Exploratory Teaching aims to contribute, from the critical and reflective dialogue between teachers and students, to the conceptual and mediational development in mathematics. In this research, we assume Exploratory Teaching having as conceptual cut the integers and rational numbers in Youth and Adult Education (EJA). The present study aims to make use of the analysis of students' records and participation in mathematical tasks - of an exploratory nature, and in diagnostic assessments, as a basis for identifying the main strategies presented by them when dealing with problems involving integers and rational numbers. In addition, it is intended to reflect on the teacher's posture in the pedagogical process to verify actions that influence students' decisions. The tasks were constructed and inspired by research on other works developed in relation to the contents involving integers and rational numbers. Two EJA classes of the second segment, 7th and 8th stages, with the presence of 36 students from a public school in the Federal District participated in this study. The stages of the research were: diagnostic evaluation, to assess the level of prior knowledge of the students, to give basis to the interventions and the elaboration of the mathematical tasks; applications of the tasks; and, finally, post-diagnostic evaluation, to analyze the evolution in the students' learning. The results were verified through the observation of critical dialog, participation and records in the evaluations and tasks. These results indicate that when students are placed in an environment of sharing and interaction, they produce creative answers to the problems presented and that learning rates grow significantly with the methodology adopted.
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9
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Leonardo Henrique Santos Simões
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Outcome of the Three Hundreds Method on Collaborative Learning: A Comparative Analysis of
School Performance and Interpersonal Relationships in High School Classes
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Advisor : RICARDO RAMOS FRAGELLI
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COMMITTEE MEMBERS :
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HELBER RANGEL FORMIGA LEITE DE ALMEIDA
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IGOR DOS SANTOS LIMA
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RICARDO RAMOS FRAGELLI
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TATIANE DA SILVA EVANGELISTA
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Data: Oct 26, 2023
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Show Abstract
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This research aims to enhance the teaching and learning of mathematics through the implementation of
the "Trezentos" method, a collaborative approach to group study. The motivation arose from the need to
refine teaching strategies in line with the New High School Education and the National Common Curricular
Base (BNCC), emphasizing the significance of dynamic and collaborative methods. The "Trezentos"
method emphasizes collaboration and involves groups of students with varying levels of performance,
fostering mutual learning. The study was conducted with two classes of second-year high school students,
divided into Group A (based on personal preferences) and Group B (exposed to the "Trezentos" method).
The results revealed that Group B exhibited a more significant increase in average assessment scores.
The "Trezentos" method contributed to the development of socio-emotional skills, such as empathy,
resilience, and cooperation. Students reported enhanced engagement and broader connections with their
peers. Data indicated that the collaborative approach provides a more productive environment compared
to conventional classes. The application of the "Trezentos" method also garnered recognition from the
pedagogical coordination, generating interest among other teachers. The dissertation underscores that
collaboration among students at different learning stages has a positive impact on mathematics learning
and personal development. While academic outcomes showed promise, the focus on the human dimension
of learning emerged as a valuable element. This research seeks to contribute to the enhancement of
mathematics education, aligning with educational guidelines and highlighting the importance of
collaborative work and active methodologies to foster more meaningful learning.
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10
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Elisângela Fernandes Cerqueira
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COMBINATORIAL MATHEMATICAL TASKS IN YOUTH AND ADULT EDUCATION: AN EXPLORATORY APPROACH
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Advisor : RAQUEL CARNEIRO DORR
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COMMITTEE MEMBERS :
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RAQUEL CARNEIRO DORR
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MAURO LUIZ RABELO
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REGINA DA SILVA PINA NEVES
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ANA MARIA PORTO NASCIMENTO
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Data: Nov 13, 2023
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Show Abstract
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Teaching strategies that enable argumentation, communication and the construction of mathematical reasoning
provide students with ways to exercise their own citizenship.
In this sense, exploratory teaching provides a possibility to develop these skills, through mathematical tasks for the
Youth and Adult Education – YAE – classes, so that students can build their own knowledge. This master's thesis
has the general objective of analyzing the development of mathematical tasks, by EJA students, from public schools
of the Federal District, to verify aspects that indicate learning referent to the combinatorial reasoning. The research
presents the development of three mathematical tasks, the first one refers to a diagnostic assessment, with the
purpose of verifying skills considered necessary, under the eyes of the teacher-researcher, to develop
understanding about Combinatorial Analysis. The other two refers to tasks developed in groups, from the
perspective of exploratory teaching, for 71 students from two schools in the 3rd stage of the 3rd segment of YAE.
The theoretical foundation was based on authors such as Canavarro (2011) and Stein (2008) on exploratory
teaching and Ponte (2014) on mathematical tasks. The results showed that group work in mathematical tasks
favored mathematical argumentation and discussion. Thus, it was possible to conclude that the development of
mathematical tasks of Combinatorial Analysis developed from the perspective of Exploratory Teaching was able to
promote the learning of these students.
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11
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Paulo Rodrigo Alves dos Reis
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Calculating areas of polygons using complex numbers
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Advisor : ANDRE VON BORRIES LOPES
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COMMITTEE MEMBERS :
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ANDRE VON BORRIES LOPES
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ROGERIO CESAR DOS SANTOS
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VINICIUS DE CARVALHO RISPOLI
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THIAGO WILLIAMS SIQUEIRA RAMOS
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Data: Nov 22, 2023
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Show Abstract
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In this dissertation, results related to the calculation of the area of convex polygons using complex numbers are presented. The study aims to demonstrate the formulas of Heron, Brahmagupta, and Bretschneider through the use of complex numbers and, additionally, to develop a comprehensive formula for calculating the area of convex polygons in a general manner. Furthermore, the practical implications of these findings in the context of high school education are discussed, based on an experiential account of a mini-course presented during the 23rd edition of the University of Brasília's University Week.
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12
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Danielly de Souza Figueiredo
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Financial Education from the perspective of Exploratory Teaching: conception, development and analysis of a Mathematical Task
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Advisor : REGINA DA SILVA PINA NEVES
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COMMITTEE MEMBERS :
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REGINA DA SILVA PINA NEVES
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RAQUEL CARNEIRO DORR
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RUI SEIMETZ
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Marcia Rodrigues Leal
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Data: Dec 5, 2023
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Show Abstract
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This research presents the study, observation, development, and analysis of a mathematics task (MT) in Financial Education (FE), applied to students in order to analyze the theme about conscious spending. The task was developed in a class of ninth grade, according to an Exploratory Teaching approach (Canavarro, 2011). Thus, essential information was produced and supported the creation of the meaningful tasks and allied to the educational objectives. Furthermore, tasks that provide an enriching experience of learning. The aim was to develop a MT of Financial Education to secondary school due to its applicability on daily routine of the student, that make them relate the content of Financial Mathematics to their daily lives, understanding debts, purchases paid in installments and to calculate discounts in products. The MT: “Decide with wisdom, which cellphone would you buy?” simulated the acquisition of a cellphone that encouraged the interest of the students, because it was related to their interests, motivating them to answer it. After developing the MT according to the principles of exploratory teaching and analyze the data, it became clear that the students were able to reflect on the available options of purchase in the market and ways of saving money. They also calculated percentages and found interest rate. It was concluded that the implementation of the MT provided a series of benefits to the students. Besides revisiting the content of Financial Mathematics, it gave autonomy to the students, encouraging the critical thinking and reflection, allowing them to relate the content studied in class to their everyday lives. The study also highlighted that the Financial Education was essential to give the students basic knowledge to act and make a decision in the face of a buying scenario. It is expected that this experience can help them to buy with more responsibility, recognizing their wishes and being able to save their money in the future.
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13
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Juliana Abrantes Tavares
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Assessment of creativity in mathematics in the elaboration of problems and redefinition of mathematical elements: an application in teaching logarithms
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Advisor : WESCLEY WELL VICENTE BEZERRA
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COMMITTEE MEMBERS :
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WESCLEY WELL VICENTE BEZERRA
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CLEYTON HERCULES GONTIJO
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ROGERIO CESAR DOS SANTOS
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MATEUS GIANNI FONSECA
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Data: Dec 6, 2023
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Show Abstract
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Teaching in Brazil is going through a process of transformation that intends to adjust to the current intellectual and social demands of a world in constant change. Traditional teaching, characterized by memorization and reproduction, is definitely ineffective in this scenario, especially when it comes to mathematics learning, where is a lack of connection between the content learned and practical applicability, making the students feel unmotivated. To align learning objectives with current needs, teaching methods that encourage student autonomy, responsibility, critical sense and creativity are gaining prominence. In this context, strategies for posing, solving and redefining problems emerge as important ways to develop this skills, especially mathematical creativity, the focus of this research. Based on the justifications presented, we sought to answer how strategies for elaborating and redefining problems can contribute to the development of mathematical creativity among students in the 2nd grade of high school at two schools in the Federal District. To this end, we purposed a qualitative investigation in two distinct stages, the first aimed at problem posing, carried out with a group of participants, and the second, at problem redefinition, applied to another group. The activity of the first stage consists of formulating and solving a problem situation involving logarithms in the solution, while the redefinition stage consists of identifying the maximum number of characteristics common to logarithms log 24 and log 360. The answers produced by the participants were evaluated according to the skills of fluency, flexibility, originality and elaboration, components of mathematical creativity, and categorized into levels from 0 to 2 according to criteria established by the researcher, based on the answers collected. The results of these classifications on problem posing showed that students had more difficulty in making the problem structure more flexible in relation to common cases treated in the classroom, but they were able to produce new ideas and see the applicability of exponential and logarithmic functions. The redefined problems showed that the majority of participants identified at least 3 properties, but these presented a low degree of mathematical class variability and the ideas remained repeated. Considering the circumstances in which the two stages were taken, it is concluded that problem posing and redefinition can contribute to the development of mathematical creativity. However, it was observed that the students' level of knowledge about the topics covered directly interferes in creative production and that the time taken to carry out activities can limit creative performance.
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14
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Douglas Oliveira de Lima
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51 geometric challenges.
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Advisor : TATIANE DA SILVA EVANGELISTA
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COMMITTEE MEMBERS :
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TATIANE DA SILVA EVANGELISTA
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MATHEUS BERNARDINI DE SOUZA
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VINICIUS DE CARVALHO RISPOLI
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MARCELA LUCIANO VILELA DE SOUZA
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Data: Dec 8, 2023
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Show Abstract
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Circular transformation is a subject little known to many teachers, as it is largely focused on solving Olympic problems, the vast majority of which are difficult. In general, it is an advanced technique that is used on a large scale in Mathematics Olympiads, in which it seeks new talents with the characteristic of being an intellectual competition, using challenging problems that require the student to have their creative capacity in solving them, and the Inversion is an important tool that assists in this task. In general, if there is no specific preparation, we are faced with several barriers that are hidden in theories. This fact may be common to both students and teachers and, especially, in the final stages of the Olympics. Thus, this work proposes an attempt to reduce the gap that occurs with mathematics in Basic Schools and in the Mathematics Olympiad. The dynamics of this proposal were based on experiences in preparing students for the Olympics and in some way trying to show how we can grow theoretically through the problems involved. Therefore, the problems here have detailed resolution, some copyright and others with due reference. Through the resolution of some chosen problems, the aim is to outline some interesting strategies for resolving them using little theory. In such resolutions, comments are made on these strategies and possible difficulties that the student and/or teacher may encounter. This experience indicated that there are several problems that encourage young people to enjoy mathematics and become interested in Olympic Problems, simply by developing their reasoning through subjects that are easy to learn.
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15
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Vinicius de Oliveira Rodrigues
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Analysis of Numerical Semigroups using Kunz coordinates.
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Advisor : MATHEUS BERNARDINI DE SOUZA
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COMMITTEE MEMBERS :
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WANDERSON TENÓRIO
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EDSON ALVES DA COSTA JUNIOR
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MATHEUS BERNARDINI DE SOUZA
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TATIANE DA SILVA EVANGELISTA
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Data: Dec 12, 2023
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Show Abstract
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The main goal of this work is to study the numerical semigroups using their respec- tive Kunz coordinates and establish an algorithm for constructing the tree of numerical semigroups via Kunz coordinates. Given a numerical semigroup S, its Ap ́ery set is found and from this the coordinates of Kunz associated with S are obtained. Once the coordinates of Kunz of S are obtained, we proceed to the analysis of these coordinates, obtaining the respective invariants, namely: gender, multiplicity, Frobenius number, conductor and depth. Gapsets are also the object of study in this work. Results of the work by Eliahou and Fromentin [6] on the characterization of gapsets of multiplicity m = 3 and m = 4 through their respective filtrations are revisited in this work and explored by this work from the perspective of the coordinates of Kunz. Continuing with the analysis of the coordinates of Kunz of S, this work proposes a classification of each of the coordinates of the (m − 1)-tuple ∈ Nm−1 of according to its characteristic, as the coordinate characteristic aims to construct the tree of numerical semigroups indicating the classification of the numerical semigroup, the existence or not of children and their quantity. Finally, we propose activities for high school exploring knowledge objects from this work as well as the computational thinking proposed at BNCC.
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16
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Clebia Ferreira da Cruz
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Numeric Semigroups Generated by two Elements and a Geometric Identification
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Advisor : MATHEUS BERNARDINI DE SOUZA
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COMMITTEE MEMBERS :
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MATHEUS BERNARDINI DE SOUZA
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TATIANE DA SILVA EVANGELISTA
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VINICIUS DE CARVALHO RISPOLI
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RAFAELA FERNANDES DO PRADO
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Data: Dec 12, 2023
Ata de defesa assinada:
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Show Abstract
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The main goal of this work is to introduce the concept of a numerical semigroup, highlighting those generated by two elements and the relations between these generators and the invariants of the numerical semigroup. We use a geometric identification to associate each gap of a numerical semigroup with a point with non-negative integer coordinates on the cartesian plane through a bijection, which allows us to compute some invariants of the numerical semigroup, such as the genus, the conductor, the Frobenius number, the depth and the Kunz coordinates. Finally, we present a didactic sequence of activities for high school schools based on the geometric identification.
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17
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Ricardo Jose de Oliveira Paula
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Finite Induction Principle: a possibility for Basic Education.
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Advisor : JOSE EDUARDO CASTILHO
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COMMITTEE MEMBERS :
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JOSE EDUARDO CASTILHO
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ROGERIO CESAR DOS SANTOS
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SIMONE VASCONCELOS DA SILVA
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WEMBESOM MENDES SOARES
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Data: Dec 14, 2023
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Show Abstract
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The approaches and discussions presented in this dissertation have as their central objective to show teachers and students a formal demonstration resource for formulas presentedin Basic Education. The resource chosen to carry out the formal demonstrations was the one called Finite Induction Principle (P.I.F). Therefore, it is worth highlighting that the theme chosen in this work is relevant when it comes to studying the importance of demonstrations of formulas that are presented in Basic Education and, in particular, the method entitled P.I.F. It is a mathematical method that involves natural numbers (N) widely used in the disciplines of number theory, geometry, combinatorial analysis, etc. Mathematician Giuseppe Peano (1858-1932) established the necessary axioms so that we could describe the set of numbers N. In this work, the reader will find some variations for writing these four axioms. In a special way, we will address Peano’s fourth axiom, which is also known as the axiom of induction and which will serve as the basis for the proof method using P.I.F. The organization in which the themes are presented to the reader follows a didactically chosen order so that the content can be well understood by both teachers and students who may eventually read this work. The reader is presented with topics related to: a little about the set of N and also Giuseppe Peano; legislation that encourages the use of methods that lead to the development of critical thinking; demonstrations through P.I.F applied to high school; practical applications of P.I.F and, finally, presentation of the questionnaire applied to teachers and analysis of the results.
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18
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Diogo Alves Brandão
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Artificial Intelligence and Machine Learning: from theory to ready-made algorithm in High School
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Advisor : VINICIUS DE CARVALHO RISPOLI
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COMMITTEE MEMBERS :
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OSMAR ALÉSSIO
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JOSE EDUARDO CASTILHO
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RUI SEIMETZ
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VINICIUS DE CARVALHO RISPOLI
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Data: Dec 14, 2023
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Show Abstract
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This work addresses the Machine Learning from theory to hands-on with an emphasis on Support Vector Machine classification algorithm associated with high school mathematics in order to improve knowledge and skills. This dissertation is based on new strategies and pedagogical guidelines that direct to the use and implementation of Machine Learn- ing as a didactic and technological resource in Mathematics. Our integrated approach includes many concepts, challenges and performance metrics in Machine Learning, also builds data augmentation and dimensionality reduction. This work describes how work linear, soft margin and kernel trick models, including two theoretically-based activities for the students. This dissertation contains a short Python tutorial in order to help the implementation. Six project steps are proposed with the Support Vector Machine, each one having performance evaluations by metrics, graphics and matrices.
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19
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Fabio Couzzi Velasco
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The use of animations through GeoGebra software in teaching Analytical Geometry.
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Advisor : ROGERIO CESAR DOS SANTOS
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COMMITTEE MEMBERS :
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ROGERIO CESAR DOS SANTOS
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JOSE EDUARDO CASTILHO
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WESCLEY WELL VICENTE BEZERRA
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Marcia Rodrigues Leal
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Data: Dec 15, 2023
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Show Abstract
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In this work, we used the GeoGebra software as an alternative teaching approach, employing algebraic expressions to create graphs and animate their parameters to resemble figures with realistic movements. Our focus is to provide visual and interactive experiences that make learning analytical geometry more engaging and intuitive, while also transforming the software's limitations into creative stimuli to overcome them.
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20
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Gerson Ferreira Rocha
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Mathematical Models of Epidemiological Dynamics and Applications in the Classroom
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Advisor : VINICIUS DE CARVALHO RISPOLI
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COMMITTEE MEMBERS :
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ANDRE VON BORRIES LOPES
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CAMILA DE OLIVEIRA VIEIRA
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TATIANE DA SILVA EVANGELISTA
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VINICIUS DE CARVALHO RISPOLI
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Data: Dec 15, 2023
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Show Abstract
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Aiming to disseminate the culture of mathematical epidemiology, this work will provide an analysis of the basic Kermack-Mackendrick SIS and SIR compartmental models. Demographic effects and effects of pulse vaccination on the epidemic will be investigated using this last model. Due to its importance for epidemiological studies, emphasis will be placed on the basic reproduction number of the disease and its meaning as the number of secondary infections caused by an infectious individual. Furthermore, two proposals for introducing mathematical epidemiology in junior school and high school will be presented, one with the specific presentation of epidemiological models discretized as coupled recursive sequences, and the other as an interdisciplinary project involving computer programming, mathematics and related disciplines, with the purpose to build epidemiological models, implement them computationally and study the dynamics they describe.
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21
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Michelle Ramos Von Borries
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Teaching functions: a didactic sequence applied to 1st year high school students
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Advisor : LUCIANA MARIA DIAS DE AVILA RODRIGUES
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COMMITTEE MEMBERS :
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LUCIANA MARIA DIAS DE AVILA RODRIGUES
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ROGERIO CESAR DOS SANTOS
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TARCISIO CASTRO SILVA
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HIURI FELIPE SANTOS DOS REIS
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Data: Dec 15, 2023
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Show Abstract
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This dissertation aims to analyze the teaching-learning process of the following topics in the concept of functions: function concept, graphical representation, variation of a function, functions represented by more than one sentence, compound function, parity of a function, and inverse function. The work focused on a study carried out with 1st year high school students at The Military School of Brasilia (Colégio Militar de Brasília - CMB), one of the units of The Brazilian Military School System (Sistema Colégio Militar do Brasil - SCMB). In methodological terms, the research presents a proposal for a didactic sequence for teaching the aforementioned topics, diagnostic assessments, structured interviews, expository classes, guided studies, and activities using the Geogebra software. The study shows that students’ difficulties permeate all the topics studied, however, we consider that the didactic sequence activities contributed to the improvement of classes and to the learning of the function theory content.
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22
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Diego Wilson da Silva Neres
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Quadratic function and second degree equation: difficulties increased by the Covid-19 pandemic and approach suggestion using problem solving method
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Advisor : LINEU DA COSTA ARAUJO NETO
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COMMITTEE MEMBERS :
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LINEU DA COSTA ARAUJO NETO
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ANDRE VON BORRIES LOPES
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RUI SEIMETZ
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RAFAELA FERNANDES DO PRADO
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Data: Dec 22, 2023
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Show Abstract
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This research paper aims at providing an overview of the teaching/learning process of quadratic function and second-degree equation content by a group of students in a public high school in the Federal District, Brazil, during the time of hybrid teaching imposed by the COVID-19 pandemic. This academic piece of work, which was conducted during the transition from hybrid teaching to school-based teaching, intends to analyze and diagnose difficulties that might have arisen or increased due to the remote teaching and social isolation between 2020 and 2021. In addition, it also approaches math-problem solving as a teaching methodology. It will also explain the TEACHING- LEARNING-ASSESSMENT methodology for Math teaching. At the end, this work will recommend some ludic and motivating exercises in order to present parts of the quadratic function content, and some math problems to be discussed after introducing specific content.
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