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All Journal Al-Jabar : Jurnal Pendidikan Matematika Indonesian Journal of Science and Mathematics Education Journal of Teaching and Learning in Elementary Education JTAM (Jurnal Teori dan Aplikasi Matematika) Teorema: Teori dan Riset Matematika Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika JOURNAL OF SONGKE MATH JPMI (Jurnal Pembelajaran Matematika Inovatif) IndoMath: Indonesia Mathematics Education Al-Bidayah : jurnal pendidikan dasar Islam Pi Radian Journal
Pereira, Jerito
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Designing interactive games for improving elementary school students’ number sense Hermita, Neni; Alim, Jesi Alexander; Putra, Zetra Hainul; Gusti, Peggi Muharrani; Wijaya, Tommy Tanu; Pereira, Jerito
Al-Jabar: Jurnal Pendidikan Matematika Vol 12 No 2 (2021): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v12i2.9983

Abstract

Number sense is an essential primary mathematics material in elementary school that students must master. Learning media may be utilized in elementary schools' teaching and learning process to engage and inspire students to participate in learning activities, particularly mathematics. Therefore, the researchers designed an interactive game using Genially to improve students' number sense. The ADDIE development model was applied in the research and development procedure. In this research, the ADDIE development model began by analyzing problems related to the mathematics learning process in elementary schools, analyzing the environment and work situation, designing an interactive game, developing the game based on validation results from three media experts and two concept experts, and conducting a one-on-one trial. The product feasibility was tested on 46 students who were divided into two classes. Class B served as the experimental class, while Class A served as the control class. The interactive game's validation findings showed that the developed interactive learning media was practical and useful. As a result of the implementation, the experimental class students' grasp the material better than the control class. 
Developing A Mathematics Learning Media to Explain Formula Of Area of Kite Using Hawgent Pereira, Jerito; Tan, Shiwei; Li, Li; Purnama, Aditya
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 3 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i3.7391

Abstract

This study aims to develop Hawgent Dynamic Mathematics Software Learning Media. The broad material of ICT-based kites as a medium for learning mathematics for grade IV SD students. The research method used in this research is Research and Development (R and D) with a 4-D model. The results of the material expert’s assessment of the six components include: the language aspect is 70%, the ease of use of learning media reaches the highest average of 90%, and it is concluded that the overall average percentage is 83.33%. It can be said that the ICT-based learning media that have been designed are in the feasible category. While the results of the material expert’s assessment of the four aspects obtained an average percentage of 87.89%. Based on the results of the study Hawgent Dynamic Mathematics Software Learning Media can be used as a learning media for learning mathematics to find the area ofa kite.
Dynamic Software Based Mathematics Review Lesson Design: Take a Basic Theorem of Vector Plane as an Example Zou, Shuo; Pereira, Jerito; Hermita, Neni
Indonesian Journal of Science and Mathematics Education Vol. 5 No. 1 (2022): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v5i1.10417

Abstract

Reviewing lessons as a very important form of learning and very important role to impress students. The research method was adopted the ADDIE model design. This research was done at Balihan Senior High School, China. The population of this research are 43 students and using random sampling to selected a representative 5 students. The student statement result show that, a using Hawgent dynamic in the review lesson can improve student learning performance, very useful in the learning process and etc with statement average is 80.4% or good category. Based on validation results of the 3 aspects obtained an average percentage of 81.33% in a good category. Therefore, the review lesson of basic theorem vector plane using Hawgent dynamic mathematics software can be applied to the teaching process and can using this dynamic software to the review lesson another mathematics topics.
Exploring Cognitive and Gender Factors in Mathematical Creativity: Evidence from Indonesian Vocational Schools Pantaleon, Kristianus Viktor; Pereira, Jerito; wijaya, Tommy Tanu; Visera, Elisabeth
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 9, No 4 (2025): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v9i4.31443

Abstract

Despite the increasing focus on creativity in mathematics education, research on the combined effects of cognitive style and gender on mathematical creative thinking in vocational high schools is still scarce, especially in Indonesia. This study investigated the influence of cognitive style and gender on the mathematics creative thinking of 60 eleventh-grade students in a vocational high school, classified as Field Independent (FI) or Field Dependent (FD) by the Group Embedded Figures Test (GEFT). Mathematical creativity, which includes fluency, flexibility, and originality, was assessed using an open-ended test that was verified by two experts in mathematics education and pilot-tested for reliability. Data were examined via two-way ANOVA. The findings indicated that FI students markedly surpassed their FD counterparts across genders (p < 0.001), although gender disparities were not statistically significant, although females exhibited a tendency for enhanced fluency and inventiveness, while males shown better flexibility. No notable interaction between cognitive style and gender was detected. These findings underscore the superiority of cognitive style over gender in influencing mathematical creativity in vocational environments and present the inaugural empirical evidence for this combination effect within the Indonesian context. They propose that vocational mathematics instruction must be cognitively adaptive providing structured scaffolding and collaborative methods for FD learners, and open-ended, self-directed tasks for FI learners to enhance creativity and problem-solving abilities pertinent to real-world vocational challenges.
Research on classroom teaching strategies for junior high school students under the guidance of core literacy Zhong, Yujiao; Pereira, Jerito
Pi Radian: Journal of Mathematics Education Vol. 2 No. 1 (2024): Pi Radian Journal
Publisher : CV. Pustaka Literasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63214/piradian.v2i1.pp31-40

Abstract

Student-oriented classroom is the fertile ground for students to develop core literacy of mathematics. The new curriculum standard emphasizes the teaching concept of "student-oriented". In the teaching activities, teachers should give full play to the subject status of students, return the classroom to students, so that students can better show themselves, so that they can master mathematical knowledge and develop the core literacy of mathematics subject naturally. However, at present, the classroom atmosphere of some middle school mathematics students' classroom reform pilot middle schools has not reached the ideal effect. There are some problems in the teaching classroom, such as ignoring students' main position, ignoring students' initiative in learning, and teachers' student-oriented concept is not thorough enough. This paper aims to develop students' core literacy. By studying the current situation of the mathematics students-based classroom in junior middle school and putting forward strategies to solve the problems, the teaching mode of the student-oriented classroom is improved.
Research on mathematical abstraction literacy in China Tang, Shiewei; Pereira, Jerito
Pi Radian: Journal of Mathematics Education Vol. 3 No. 1 (2025): Pi Radian Journal
Publisher : CV. Pustaka Literasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63214/piradian.v3i1.pp1-16

Abstract

Mathematical abstraction is the basic idea of mathematics, which is an important foundation for the formation of rational thinking, reflects the essential characteristics of mathematics, and permeates its generation, development, and application. The latest version of the general high school mathematics curriculum standard lists mathematical abstraction as the primary core literacy of the discipline, and mathematical abstraction literacy has become the focus of educational research. A number of scholars have researched mathematical abstraction literacy in senior high schools in China in recent years, but there is no literature that summarizes and compiles this aspect. This paper employs the literature analysis method to review and sort out the relevant literature on mathematical abstraction literacy and draws the following conclusions: (1) Previous research on mathematical abstraction literacy mainly contains five aspects, which are the connotation of mathematical abstraction, the current status quo of the level, the evaluation method, the influencing factors, and the strategies for the cultivation. (2) There are generally more studies on the connotation of mathematical abstraction, the current status of the level, and the cultivation strategy. However, in terms of influencing factors, the views in the existing literature are scattered, and no major influencing factors have been found. (3) The research methods are relatively single, with literature analysis or discursive methods predominating, especially the analysis of the influencing factors is not systematic and objective enough, lacks quantitative research for empirical evidence, and lacks targeted and practical cultivation strategies
Sejauh Mana Perbedaan Kemampuan Matematis yang diukur Memoderasi Efektivitas Pendekatan Ralistic Mathematics Education: Studi Meta-Analisis Tamur, Maximus; Ndiung, Sabina; Nurjaman, Adi; Pereira, Jerito
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 7 No 1 (2021): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v7i1.15736

Abstract

Evidence-based research on the effect of Realistic Mathematical Education (RME) has been conducted. However, whether differences in the measured variables alter the studies' effect sizes have not been explored. To fill this gap, it is necessary to conduct a meta-analysis study that can summarize the evidence for the effect of RME and analyze how the differences in the measured variables are associated with the effect size (ES) of the study. The research sample is an individual study of the effect of RME on various mathematical abilities identified from the ERIC database, the Scopus database, and Google Scholar. Based on the inclusion requirements, 54 independent samples from 38 individual studies were included in the analysis with a total of 6140 students included. The estimation method uses a random-effect model, and the Comprehensive Meta-Analysis (CMA) software is used as a data processing tool. The results of the analysis showed that the ES of the study was 0.97. This shows that overall, the use of RME has a significant effect on students' mathematical abilities. The moderator analysis results explain that the differences in the measured variables moderate the implementation of RME. These findings contribute to the implementation of RME in classrooms and the further development of RME by considering the categories of abilities being measured.
Co-Authors Adi Nurjaman, Adi Aditya Purnama Alim, Melvi Lesma Aulingga, Anisa Chen, Yuxin Gusti, Peggi Muharrani Jesi Alexander Alim Jie, Qin Li Li Ndiung, Sabina Neni Hermita Ning, Yiting Nuraida Nuraida Pantaleon, Kristianus Viktor Safitri, Nila Sambas Astra, Riki Riyanto Shuo, Zou Tamur, Maximus Tan, Shiwei Tang, Jianlan Tang, Shiewei Usman Aripin, Usman Vilela, Anastasia Visera, Elisabeth Wijaya, Tommy Tanu Xiang, Zhang An Zetra Hainul Putra Zhang, Simin Zhong, Yujiao Zou, Shou Zou, Shuo