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Aljabar: Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Published by Asosiasi Riset Ilmu Matematika dan Sains Indonesia
ISSN : 30896134     EISSN : 30896126     DOI : 10.62383
Core Subject : Education,
Education Mathematics
Focus and Scope Aljabar: Jurnal Ilmuan Pendidikan, Matematika, dan Kebumian adalah jurnal ilmiah yang berfokus pada publikasi artikel penelitian, kajian teoretis, dan studi empiris di bidang pendidikan, matematika, dan ilmu kebumian. Jurnal ini menjadi platform bagi akademisi, peneliti, dan praktisi untuk berbagi ide, inovasi, dan temuan penelitian yang berkontribusi pada perkembangan ilmu pengetahuan dan pendidikan di Indonesia. Ruang Lingkup Pendidikan Matematika Bidang ini mencakup penelitian yang berfokus pada metode pengajaran matematika dan penerapannya dalam pendidikan. Topiknya meliputi: Teori dan metode pembelajaran matematika Pengembangan kurikulum matematika untuk berbagai jenjang pendidikan Pendidikan matematika berbasis teknologi Pengukuran dan evaluasi hasil belajar matematika Pendidikan matematika inklusif untuk siswa berkebutuhan khusus Pengajaran matematika di tingkat dasar, menengah, dan tinggi Ruang Lingkup Matematika Murni dan Terapan Bagian ini berfokus pada penelitian matematika dalam konteks teori dan aplikasinya di berbagai bidang. Topiknya antara lain: Teori aljabar, analisis, geometri, dan topologi Aplikasi matematika dalam sains, teknologi, dan ekonomi Metode numerik dan komputasi matematika Model matematika untuk penyelesaian masalah dunia nyata Matematika statistik dan probabilitas Matematika terapan dalam ilmu teknik dan teknologi Ruang Lingkup Ilmu Kebumian Bidang ini membahas penelitian yang terkait dengan ilmu kebumian dan penerapannya dalam pendidikan dan penelitian lingkungan. Topiknya meliputi: Geologi, geofisika, dan geografi Sumber daya alam dan pengelolaannya Perubahan iklim dan mitigasi bencana alam Geohazard dan manajemen bencana Pendidikan geosains di tingkat sekolah dan perguruan tinggi Aplikasi ilmu kebumian dalam konservasi dan keberlanjutan lingkungan
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 65 Documents
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Analisis Disposisi Matematis Siswa dalam Pembelajaran Matematika di Kelas XI SMA Negeri 3 Tambun Selatan
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.649

Abstract

This study aims to analyze the mathematical disposition of 11th-grade students at SMA Negeri 3 Tambun Selatan in learning mathematics. Mathematical disposition refers to the tendency to think and behave positively towards mathematics, encompassing seven main indicators as defined by the NCTM: self-confidence, perseverance, persistence, interest, reflection, tolerance, and appreciation of the role of mathematics. This research employed a descriptive qualitative method using an open-ended questionnaire consisting of 42 statements based on the seven indicators of mathematical disposition. Data were analyzed through the stages of data reduction, presentation, and conclusion drawing. The results indicated that appreciation of the role of mathematics in culture and values was the most dominant indicator among students, whereas persistence and perseverance in solving mathematical tasks scored the lowest. Overall, the mathematical disposition of students in the 11th grade at SMA Negeri 3 Tambun Selatan was found to be relatively low. These findings highlight the need for efforts to improve students' mathematical disposition, particularly in the areas of perseverance and persistence in completing mathematical tasks.
Prediksi Jumlah Angka Kemiskinan di Kabupaten Deli Serdang Tahun 2024
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.653

Abstract

Poverty is one of the main problems that hinder regional development. Deli Serdang Regency shows a fluctuating trend in the number of poor people from year to year. To support government policies in overcoming poverty, an accurate forecasting method is needed to predict the number of poor people in the future. This study uses the Single Moving Average (SMA) method with two period variations, namely n = 2 and n = 3, based on data from the Central Statistics Agency (BPS) of Deli Serdang Regency for 2017–2023. The forecasting results show that the SMA method with n = 3 provides better accuracy than n = 2, as indicated by the Mean Squared Error (MSE) value of 21.38, Mean Absolute Deviation (MAD) of 4.44, and Mean Absolute Percentage Error (MAPE) of 3.52%. These findings indicate that the SMA method is capable of providing fairly accurate predictions and can be used as a basis for regional development policy planning to reduce poverty in Deli Serdang Regency in 2024.
Redefenisi Kepala Sekolah sebagai Learning Leader melalui Integrasi Kepemimpinan Instruksional dan Transformasional: Kajian Literatur
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.654

Abstract

The role of the principal in educational management has undergone significant changes in line with the dynamics of 21st-century needs. Demands for improved learning quality have led to the emergence of a new paradigm that positions the principal not merely as an administrative leader but as a learning leader capable of facilitating a culture of continuous learning within the school environment. This study aims to reflect on and reformulate the principal's strategic role through the integration of two leadership approaches: instructional leadership, which emphasizes strengthening the learning process, and transformational leadership, which focuses on vision, motivation, and empowerment of all school members. The method used is a literature review of 26 national and international scientific articles published in the last ten years. The results of the study indicate that the synthesis of these two leadership models strengthens the principal's capacity to create a collaborative, adaptive school climate oriented toward continuous improvement of educational quality. This research is expected to serve as a conceptual foundation for future school leadership development policies and practices.
Analisis Faktor yang Mempengaruhi Kepemimpinan dan Manajemen Sekolah di SMP Negeri Satu Atap 01 Ciseeng
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.655

Abstract

This study aims to comprehensively analyze the factors that influence school leadership and management at SMP Negeri Satu Atap 01 Ciseeng. The background of this study is based on the low effectiveness of school management as indicated by the results of quality evaluations and the limited resources that are characteristic of schools in remote areas. The limitations include aspects of teaching staff, facilities and infrastructure, and low stakeholder involvement in decision-making. The study was conducted from May to June 2025 with a qualitative approach through a case study method. The research subjects included the principal, teachers, school committee, parents of students, and school supervisors. Data collection techniques used in-depth interviews, participatory observation, and documentation studies. Data analysis was carried out using the interactive model from Miles and Huberman, which includes data reduction, data presentation, and drawing conclusions/verification. The results of the study indicate that the effectiveness of school leadership and management is strongly influenced by five main factors, namely: (1) the principal's leadership competence, (2) management of human and material resources, (3) the level of teacher participation in decision-making, (4) a collaborative organizational culture, and (5) strong external support from the school committee and parents. It was found that school principals play a dominant role in developing organizational culture and management strategies, but have not yet optimally engaged teachers and parents. Therefore, it is important to encourage more participatory leadership patterns and openness to cross-role collaboration. This study suggests the need for locally context-based leadership training and the development of policies that support remote school management. By strengthening synergy between stakeholders, it is hoped that school management in remote areas can be more effective and adaptive to the challenges they face.  
Analisis Kemampuan Berpikir Kreatif Matematika Siswa Kelas VII SMP Al Farabi Pada Materi Geometri
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.661

Abstract

Penelitian ini bertujuan mendeskripsikan kemampuan berpikir kreatif matematis siswa kelas VII SMP Al Farabi pada materi geometri. Penelitian ini menggunakan pendekatan deskriptif kualitatif dengan melibatkan seluruh siswa kelas VII sebanyak 71 orang. Data diperoleh melalui tes tertulis berupa empat soal terbuka berbasis geometri yang dirancang untuk menggali empat indikator berpikir kreatif, yaitu kelancaran (fluency), keluwesan (flexibility), keaslian (originality), dan elaborasi. Hasil analisis menunjukkan kemampuan berpikir kreatif siswa tergolong “baik” pada setiap indikator, dengan skor tertinggi pada keluwesan (75,35%) dan terendah pada keaslian (61,27%). Temuan ini menunjukkan bahwa meskipun siswa telah memiliki kemampuan berpikir kreatif yang cukup baik, pengembangan ide-ide orisinal masih perlu ditingkatkan. Hasil penelitian ini diharapkan menjadi bahan masukan bagi guru untuk merancang strategi pembelajaran yang lebih relevan dan mendukung pengembangan kreativitas siswa
Pengaruh Locus of Control dan Implikasinya Terhadap Berpikir Kreatif Matematika Siswa SMP
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.664

Abstract

This study explores the influence of locus of control on junior high school students’ creative mathematical thinking and its implications for instructional strategies. Using a quantitative approach with a descriptive correlational method, 16 eighth-grade students from various Jakarta schools participated. The research instruments consisted of a questionnaire and a creative thinking test. The Shapiro-Wilk normality test indicated that the data were not normally distributed, prompting the use of the Wilcoxon non-parametric test. The findings revealed a significant relationship between locus of control and students’ creative thinking abilities (p = 0.013 < 0.05). These results highlight the importance of strengthening internal control beliefs to foster creativity in mathematical problem-solving.
Prospective Teachers' Perspectives On Differentiated Instruction in Mathematics
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.666

Abstract

The pursuit of inclusive mathematics instruction requires educators to adopt adaptive teaching approaches, with differentiated instruction (DI) emerging as a key component. This study explores how future mathematics teachers perceive DI, especially regarding their grasp of its core principles, confidence in instructional application, preparedness to implement, and perspectives on its advantages and obstacles. Employing a descriptive quantitative access, data were collected through a 50-item Likert-scale questionnaire administered to 25 mathematics education students from three universities in Indonesia. The findings affirm comprehensive favorable attitudes toward DI, with mean scores ranging between 3.98 and 4.01. Respondents advertised strong theoretical comprehension of DI and showed enthusiasm about integrating it into their teaching practices. However, challenges such as limited instructional time and deficient firsthand experience in crafting differentiated lessons were acknowledged. These acumen highlight the importance of assimilation more practical, experience-based training within teacher education programs to equip future educators for implementing inclusive and differentiated teaching effectively. 
Kontribusi Habits of Mind terhadap Efektivitas Strategi Pemecahan Masalah Matematika
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.668

Abstract

This research investigates how habits of mind contribute to the success of students' mathematical problem-solving strategies. Using a quantitative method with a correlational survey approach, data were gathered from 76 junior high school students selected via purposive sampling. The instrument used was a questionnaire that focused on two aspects: students' habits of mind and mathematical problem-solving approaches. The analysis using simple linear regression revealed a notable correlation between habits of mind and students' problem-solving strategy effectiveness. The coefficient of determination (R²) was 0.719, indicating that 71.9% of the variation in effectiveness can be explained by habits of mind. These results emphasize the importance of integrating habits of mind into mathematics education to help students think more critically, reflectively, and systematically.
Pengaruh Kedisiplinan Belajar terhadap Kemampuan Berpikir Kritis dalam Pembelajaran Matematika
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.669

Abstract

The study aims to analyze the relationship between learning discipline and students' critical thinking abilities in math learning. A quantitative approach with correlational survey methods is used in this study. Sample of 44 junior high school students selected through simple random sampling technique. Instruments used as lamps to measure learning discipline and tests to measure critical thinking ability. Data analysis was performed through Liliefors normality testing, Pearson correlation testing, and simple linear regression. The normality test results show that discipline learning data is normally distributed (Lo = 0.0995 < Ltable = 0.133), whereas critical thinking data is not normally distributed (Lo = 0.2266 > Ltable = 0.133). The correlation test results show the value of r = 0.211 and thitung = 1.423 < ttable = 1.683, meaning there is no significant relationship between learning discipline and critical thinking ability. The regression results also show the value of Fhitung = 2.15 < Ftabel = 4.08, which means there is no significant influence between learning discipline on critical thinking ability. Thus, that learning discipline does not affect significantly on students' critical thinking ability in math learning. This results in a more comprehensive learning approach to develop critical thinking skills.
Hubungan Antara Durasi Penggunaan Gadget dan Kemampuan Imajinasi Siswa Kelas II Sekolah Dasar
Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian Vol. 1 No. 3 (2025): Agustus : Aljabar : Jurnal Ilmuan Pendidikan, Matematika dan Kebumian
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aljabar.v1i3.672

Abstract

The focus of this research is to analyze the correlation between the duration of gadget use and the imaginative abilities of second-grade elementary school students. A quantitative approach was utilized with a correlational survey method involving 32 students from SDN Pekayon 16 Pagi as the sample. Data were collected through a validated open questionnaire regarding validity and consistency. The analysis findings indicate a negative relationship between the duration of gadget use and students' imaginative abilities. The longer the duration of gadget use (≥60 minutes/day), the lower the students' imaginative abilities, and vice versa. These findings highlight the urgency of parental monitoring in controlling the duration of gadget use as well as the selection of educational content. This research contributes to understanding the impact of technology on children's cognitive development, particularly in the area of imagination.

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