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All Journal Jurnal Elemen Edumatsains JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) KALAMATIKA Jurnal Pendidikan Matematika MaPan : Jurnal Matematika dan Pembelajaran Jurnal Analisa Theorems (The Original Research of Mathematics) MENDIDIK: Jurnal Kajian Pendidikan dan Pengajaran JKPM (Jurnal Kajian Pendidikan Matematika) BIORMATIKA : JURNAL ILMIAH FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN Jurnal Pengabdian Pada Masyarakat Jurnal Pendidikan MIPA
Rusdian Rifai
Universitas Mathla'ul Anwar
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Pelatihan Penyusunan Bahan Ajar Berbasis Web Bagi Guru SMP Kabupaten Pandeglang Nenden Suciyati Sartika; Tatu Munawaroh; Ervi Nurafliyan Susanti; Ika Meika; Ratu Mauladaniyati; Asep Sujana; Asep Sahrudin; Ika Yunitasari; Eka Rosdianwinata; Rusdian Rifai; Deni Pratidiana; Peni Permatasari; Dede Uniah; Kamila Cahyati
Jurnal Pengabdian Pada Masyarakat Vol 8 No 4 (2023): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v8i4.621

Abstract

Pembelajaran yang kondusif dan menyenangkan dalam revolusi industri 4.0 membuat perubahan dalam gaya belajar dalam proses pembelajaran. Guru dituntut untuk mengikuti proses pembelajaran digital interaktif. Sehingga salah satu tantangan bagi guru dan pengembang teknologi pembelajaran untuk berinovasi adalah menciptakan pembelajaran yang menyenangkan dan tidak membosankan bagi siswa. Pelatihan penyusunan bahan ajar berbasis Web bagi guru matematika bertujuan untuk meningkatkan keterampilan dan pengetahuan guru dalam mengembangkan bahan ajar berbasis web yang sesuai dengn kurikulum dan kebutuhan siswa. Pelatihan ini dilakukan melalui metode peer-teaching model pembelajaran interaktif, Menyusun bahan belajar, Mengemas menjadi bahan belajar on-line. Hasil yang diperoleh setelah melaksanakan kegiatan ini yaitu terdapat peningkatan kemampuan teknologi guru dalam menyusun bahan ajar berbasis web sebagian besar guru matematika SMP di kabupaten Pandeglang menyatakan bahwa hanya kadang-kadang dalam menggunakan teknologi dalam pembelajaran, mereka hanya kadang-kadang menggunakan bahan ajar berbasis Web, namun 80% sudah pernah menggunakan bahan ajar berbasis Web. Tapi tidak satupun dari mereka yang pernah mendesain game pembelajaran matematika di Web. Peserta pelatihan ada yang pernah menggunakan canva dan heyzine, Capcut, dan PPT di WPS HP sedangkan menggunakan game pembelajaran berbasis Web 80% yang tidak pernah menggunakan dan hanya 20% yang sudah pernah menggunakan. Respon peserta pelatihan terkait pelaksanaan kegiatan pelatihan ini menunjukkan bahwa 90% guru menyatakan materi yang disampaiakan sangat menarik (10% menarik) dan semua peserta menyatakan bahwa kegiatan pelatihan ini dapat meningkatkan keterampilan penggunaan teknologi dalam pembelajaran dan membantu untuk meningkatkan profesionalisme guru. Conducive and enjoyable learning in the industrial revolution 4.0 makes changes in learning styles in the learning process. Teachers are required to follow the interactive digital learning process. So one of the challenges for teachers and learning technology developers to innovate is to create learning that is fun and not boring for students. Training on preparing Web-based teaching materials for mathematics teachers aims to improve teachers' skills and knowledge in developing web-based teaching materials that suit the curriculum and student needs. This training is carried out through peer-teaching methods, interactive learning models, compiling learning materials, packaging them into on-line learning materials. The results obtained after carrying out this activity were that there was an increase in teachers' technological abilities in compiling web-based teaching materials. Most of the junior high school mathematics teachers in Pandeglang district stated that they only sometimes used technology in learning, they only sometimes used Web-based teaching materials, However, 80% have used Web-based teaching materials. But none of them had ever designed a math learning game on the Web. Some of the training participants have used Canva and Heyzine, Capcut, and PPT on WPS HP, while 80% have never used Web-based learning games and only 20% have used them. Responses from training participants regarding the implementation of this training activity showed that 90% of teachers stated that the material presented was very interesting (10% interesting) and all participants stated that this training activity could improve skills in using technology in learning and help to increase teacher professionalism.
Utilizing open-ended approach to enhance mathematical understanding among vocational high school students Rifai, Rusdian; Turmudi; Jarnawi Afgani Dahlan; Suhendra
Jurnal Elemen Vol 11 No 3 (2025): July
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v11i3.29711

Abstract

Mathematics learning in vocational high schools is still teacher-centred and relies on structured exercises, leaving little room for students to develop a conceptual understanding. The open-ended approach can be a solution because it allows students to explore various strategies for solving mathematical problems in depth. However, its implementation in vocational high schools remains limited. This study aimed to examine the effectiveness of the open-ended approach in improving the mathematical understanding of vocational high school students. A quasi-experimental design with a pretest-posttest control group design was used. The sample consisted of 72 students in the 11th-grade of Computer and Network Engineering, selected based on previously formed classes. Data were obtained through a mathematical understanding test that measured students' ability to identify, use, and apply the concepts of sequences and series to solve everyday problems. The test instrument consisted of three essay questions, with a maximum score of four for each item. As the data were not normally distributed, the Mann-Whitney U test analysis was used. The results showed that the increase in mathematical understanding of the group of students who received the open-ended approach was significantly better than that of the group who received direct learning.
The effect of open-ended approach on enhancing mathematical understanding in vocational high school students Rifai, Rusdian; Turmudi; Jarnawi Afgani Dahlan; Suhendra
KALAMATIKA Jurnal Pendidikan Matematika Vol 10 No 2 (2025): KALAMATIKA November 2025
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/KALAMATIKA.vol10no2.2025pp58-72

Abstract

This study aims to evaluate the extent to which the open-ended approach affects the achievement of students' mathematical understanding ability in vocational high schools (SMK). The method used was a quasi-experiment with a pretest-posttest control group design, in which two groups of students (experimental group and control group) were compared based on test results before and after treatment. The research sample consisted of 72 students who were selected by intact group (based on the class that had been formed) to minimize disruption to teaching and learning activities at school. This sampling was done by considering the real conditions in the field so as not to disrupt the existing learning schedule and class structure. The research data was obtained through a description test consisting of three questions, with a maximum score of 12 for each question. Data analysis was conducted in two stages: first, a normality test to check data distribution, and second, a mean difference test using the Mann-Whitney U test because the data were not normally distributed. The results showed that the group of students taught with the open-ended approach had better mathematical understanding achievement than the group that received direct learning. This finding indicates that the open-ended approach is effective in promoting mathematical conceptual understanding through independent exploration.
Improving Junior High School Students' Mathematical Understanding Ability Through Powerpoint Assisted Visual Media Rusdian Rifai; Turmudi; Jarnawi Afgani Dahlan; Suhendra
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.5932

Abstract

Students typically have less interest in learning mathematics because it is still seen as a challenging subject. As a result, when compared to other disciplines, the pupils' mathematics understanding abilities remained below average. The aim of this study was to find out how employing visual aids, such as PowerPoint, to teach geometric shapes to students improved their mathematical comprehension skills. This kind of study uses a random subject posttest design and is therefore quasi-experimental. The population of this study consisted of students in class VIII SMPN 1 Pagelaran; the samples were drawn using the purposive sampling technique from students in class VIII C, which was the experimental class, and class VIII D, which was the control class. The t-test, homogeneity test, and normalcy test are the data analysis methods employed. With a significant rate of0.05, the testing results for the hypothesis produced tstat= 3.2 > ttable= 1.6801. This indicates that while Ha is acceptable, Ho is denied. This demonstrates how employing PowerPoint-assisted visual aids in mathematics instruction increases students' capacity for mathematical knowledge.
Implementation of Open-Ended Approach in Mathematics Learning to Improve Learning Independence of Vocational High School Students Rusdian Rifai; Turmudi; Jarnawi Afgani Dahlan; Suhendra
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 1 (2025): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i1.6710

Abstract

This study aims to analyze the effectiveness of mathematics learning with an open-ended approach in improving the learning independence of Vocational High School (SMK) students. This study uses a quasi-experimental method with a pretest-posttest control group design involving two groups of class XI Computer Network Engineering students (TKJ 1 and TKJ 2). The sample used was 72 students, which were divided into an experimental group and a control group. Data on student learning independence were collected through a learning independence questionnaire consisting of 36 statements that were analyzed using statistical tests with the help of the SPSS version 30 program. The results showed that the experimental group using an open-ended approach experienced a more significant increase in learning independence compared to the control group. This finding indicates that the open-ended approach is effective in improving student learning independence, which is very important in preparing them to face the dynamic world of work. However, the level of student learning independence is still in the low category, which indicates the need for the implementation of advanced strategies to further maximize the potential for student independent learning in the long term.
The Efficacy of The Open-Ended Approach in Fostering Students’ Mathematical Conceptual Understanding in Terms of Initial Ability Rusdian Rifai; Trisnawati Trisnawati; Heryani Heryani; Jaka Wijaya Kusuma; Saran Chantarasri
Jurnal Pendidikan MIPA Vol 27, No 1 (2026): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v27i1.pp656-671

Abstract

The low mathematical ability of vocational high school (SMK) students is a strategic problem because mathematics is the foundation of technical competence in the era of the Industrial Revolution 4.0. Various pedagogical innovations have been proposed to overcome this problem, but previous studies have often encountered obstacles in effectively improving the conceptual understanding of students with low Initial Mathematical Ability (KAM). This quasi-experimental study was designed to test the effectiveness of the open-ended approach as an alternative learning method and to investigate the role of KAM as a moderating variable, particularly regarding aspects that have not received attention in vocational education research. The research sample consisted of 72 students in grade XI majoring in Computer and Network Engineering (TKJ), divided into a non-equivalent control group design, with the experimental group receiving open-ended approach learning (N=36) and the control group receiving conventional learning (N=36). Data collection was conducted using a mathematics concept comprehension test instrument and an observation sheet for the implementation of learning. Statistical analysis was conducted using the Kruskal-Wallis H test on the normalized N-Gain scores. The results show a significant difference in conceptual understanding between the two groups, with the experimental group's N-Gain score (0.72; high category) statistically higher than the control group's (0.62; medium category). These findings contribute to the literature by demonstrating that the open approach not only improves average academic achievement but also reduces the learning gap through differential mechanisms responsive to heterogeneity in initial abilities. Thus, this study recommends the Open Approach as a pedagogical framework with the potential to transform vocational mathematics learning practices toward a more equitable and adaptive system. Keywords: initial mathematical ability, open-ended approach, conceptual understanding ability.
Co-Authors Asep Sahrudin Asep Sujana Asep Sujana CICI DAHLIYAH Dede Uniah Dewi Priyani Eka Rosdianwinata Eka Rosdianwinata Ervi Nurafliyan Susanti Heryani Heryani Ika Meika Ika Yunitasari Ira Romdonah Jaka Wijaya Kusuma Jarnawi Afgani Dahlan Jarnawi Afgani Dahlan Kamila Cahyati Neng Winda Melinda Nina Suryani Nurfuji Astuti Peni Permatasari Pratidiana, Deni Ratu Mauladaniyati Saran Chantarasri Sartika, Nenden Suciyati Septiani Dwi Arifiyanti Siti Aisyah Suhendra Suhendra Sutihat Sutihat Tatu Munawaroh Trisnawati Trisnawati Turmudi