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FARABI: Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Alwashliyah Medan
ISSN : 26232332     EISSN : 27985474     DOI : https://doi.org/10.47662/farabi.v4i1.78
Core Subject : Science, Education,
Computer Science & IT Decision Sciences, Operations Research & Management Mathematics
FARABI; Jurnal Matematika dan Pendidikan Matematika (JMPM) menyediakan forum untuk menerbitkan artikel penelitian, artikel review, dan berita teknologi baru yang terkait dengan pendidikan matematika dan terapan. Jurnal ini disediakan untuk penulis, guru, mahasiswa, profesor, dan peneliti, yang akan mempublikasikan laporan penelitian atau artikel tinjauan pustaka (hanya untuk kontributor yang diundang) tentang pendidikan matematika dan instruksionalnya untuk penulis dan pembaca di seluruh dunia FARABI; Jurnal Matematika dan Pendidikan Matematika (JMPM) menerima artikel ilmiah dengan lingkup penelitian berikut, tetapi tidak terbatas pada bidang penelitian survei, penelitian dan pengembangan, penelitian eksperimental, penelitian tindakan kelas, Graph Theories and aplikasinya, Operation Research and aplikasinya.
Arjuna Subject : Umum - Umum
Articles 148 Documents
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Analisis Kesalahan Siswa dalam Menyelesaikan Soal Keliling dan Luas Lingkaran Harahap, Nurul Fazri; Zuhra, Aliskha; Wardana, Andin Mutia; Ramadhani, Ramadhani
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1046

Abstract

Mathematics plays an important role in training critical and logical thinking skills. One topic that is often applied in everyday life is the circumference and area of ​​a circle. However, many students have difficulty understanding and solving word problems related to this topic. This research aims to identify the types of errors made by students in solving circumference and area of ​​circle problems and analyze the causal factors. This research uses a qualitative method with a descriptive approach. The research subjects were 16 class IX students at MTs Al-Habibi who were selected using a purposive sampling technique. Data was collected through a test containing five story questions with varying levels of difficulty and analyzed based on four categories of errors, namely concepts, facts, principles, and procedural. The research results showed that the majority of students had difficulty understanding the questions, identifying problems, and applying concepts correctly. As many as 68.75% of students scored below the KKM, indicating low understanding. Factors that cause errors include limited understanding of basic concepts, low learning motivation, and less interactive teaching methods. More effective learning strategies are needed, such as interactive methods, gradual practice, and strengthening concepts before complex questions. With the right strategy, students' understanding of the circumference and area of ​​circles can increase, so they are better prepared to solve story problems.
Spatial Pattern Analysis and Spatial Regression of Geological Disaster Risk in Indonesia Novika, Fanny; Kusdani, Dedi
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1114

Abstract

Indonesia is a country with a high level of vulnerability to geological disasters such as earthquakes, landslides, and volcanic eruptions due to its position in the meeting zone of three active tectonic plates. This study aims to map the spatial pattern of geological disasters Local Indicators of Spatial Association (LISA) and analyze the effect of spatial variables on the number of victims using a spatial regression analysis approach. Data were obtained from BNPB and analyzed using the OLS method and three spatial regression models, namely the Spatial Autoregressive Model (SAR), Spatial Error Model (SEM), and General Spatial Model (GSM). The LISA results show that several provinces are included in the high-high and spatial outlier categories that are prone to disasters. Regression analysis shows that for earthquakes, the SEM model is the best model with a pseudo-R² of 0.888 and the lowest AIC. For landslides, the GSM model gives the best results (pseudo-R² = 0.7860 and AIC = 78.389), while for volcanic eruptions, the spatial model does not show significant spatial effects, so the OLS model is sufficient to represent the relationship between variables. The variable number of events proved to have the most significant influence on the number of victims across all types of disasters. This finding emphasizes the importance of a spatial approach in risk mapping and geological disaster mitigation planning in Indonesia.
Analisis Pemahaman Hukum Kekekalan Bilangan Berdasarkan Teori Perkembangan Kognitif Piaget Hasan, Nurfadillah; Mahmudah, Ashfa Nurul; Aulia, Tatu Helsa; Nurmalasari, Ulfi; Janah, Zahra Wardatul; Putri, Hafiziani Eka
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1119

Abstract

This study aims to evaluate the level of understanding of the concept of conservation of numbers in students of PAUD age (six years) and 2nd grade elementary school (nine years) based on Jean Piaget's cognitive development theory. A descriptive qualitative approach was used with direct observation techniques and semi-structured interviews, as well as a number conservation test using marbles, coins, and round paper of different sizes. The subjects of the study consisted of four children: two six-year-old children at RA Salafiyah and two nine year-old children at SDN 5 Nagrikaler, Purwakarta Regency. The results showed that six-year-old children had understood the principle of conservation of numbers and realized that the number of objects remained the same even though the arrangement and size changed according to Piaget's concrete operational stages. In contrast, nine-year-old students had not fully mastered the concept, they were still influenced by the visual perception of size and arrangement. Factors of learning motivation, additional experiences (tutoring and family support), and individual interests played an important role in this difference in understanding. The findings confirm that chronological age is not the only determinant of cognitive development, so that mathematics learning strategies need to be adjusted to the characteristics of students' motivation and learning experiences.
Desain dan Implementasi 3D pada Konsep Geometri Bangun Ruang Menggunakan SketchUp Kholbi, Juliana; Bawarodi, Septiyana; Mariska, Nadia; Aditiya, Aditiya; Sasalia, Putri; Wulan, Endah nawang
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1168

Abstract

This research aims to develop 3D-based geometry learning media using the SketchUp application. The method used is the 4D development model, which includes Define, Design, Develop, and Disseminate. However, this research activity is conducted only up to the Development stage, which involves assessment and evaluation of the media by educational experts as well as a small trial with 13 students. The learning media created aims to help students understand the concepts of spatial geometry in a clearer, visual, and interactive way. Survey results indicate that the media using SketchUp is easy for students to use, which can help them better understand the shapes and structures of spatial figures. Additionally, this media is considered capable of increasing interest in learning and encouraging students to be more active in studying mathematics, especially geometry. Based on assessments from experts and student opinions, this learning media is regarded as good, interesting, and effective for aiding in learning. With a three-dimensional display, students can view spatial objects from various angles, allowing for better understanding.
Pengembangan Media Pembelajaran Game Edukasi Ular Tangga untuk Meningkatkan Pemahaman Numerasi Materi Penjumlahan dan Pengurangan Filahanasari, Eka; Imelda, Imelda; Karmila, Desi
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1169

Abstract

This research is motivated by the low value of students in Mathematics, especially addition and subtraction materials. The monotonous learning process, such as lecture methods, repeated practice questions, and the use of simple media such as stones and sticks, are some of the causes. This study aims to describe the media design and produce valid, practical and effective learning media. educational games are used as learning media. This type of research is Research and Development (RnD) with the ADDIE model which includes five stages: Analyze, Design, Development, Implementation, and Evaluation. The first stage of this model is analysis, at this stage the needs of educators and students are analyzed, the characteristics of students are analyzed, and the material is analyzed. The second stage is design, at this stage the CP, teaching modules, instruments and products are designed. Next is the development stage, at this stage it produces a product. Then the implementation stage is product testing, finally the evaluation stage, at this stage it analyzes the research data. The validation results by 3 validators obtained results with Aiken's V criteria, namely the average Valid category. The practicality of the media is high, with a percentage of positive responses from educators of 92% and students of 93% with the Practical category. The effectiveness of the media can be seen from the increase in student learning outcomes through pre-tests and post-tests, with an average N-Gain score of 81.4% with the Effective category. Thus, this learning media is categorized as valid, practical, and effective in improving the understanding of numeracy of grade I students of UPT SDN 07 Sitiung.
Perancangan Awal LKPD Berbasis Problem Solving pada Materi Bentuk Aljabar di SMP Elie, Melkysedek; Djong, Kristoforus Djawa; Olla, Rinda
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1266

Abstract

Mathematics instruction in Indonesia continues to encounter difficulties in cultivating students’ problem-solving abilities, particularly in topics related to algebraic expressions. This study seeks to examine instructional needs and to develop a problem-solving-oriented Student Worksheet (LKPD) tailored to algebraic form content. The research took place at SMP Negeri 6 Kupang Tengah Satu Atap, employing a Research and Development (R&D) methodology with a focus on the analysis and design phases of the ADDIE model. The participants were seventh-grade students. Data collection methods included classroom observations, teacher interviews, and document analysis. The analysis reveals that instruction remains predominantly teacher-centered, relying heavily on lectures, with low student engagement and a lack of supportive instructional media for fostering problem-solving. In response, a student worksheet was designed that incorporates Polya’s problem-solving framework and draws upon Kupang’s local context to enhance students’ problem-solving skills. This article reports on the needs assessment and the initial development of the worksheetTop of FormBottom of Form LKPD as the first step in developing contextual and meaningful teaching materials
Penalaran Analogi Siswa Kelas X dalam Menyelesaikan Soal Trigonometri Ditinjau dari Gaya Kognitif di SMA Negeri 1 Jember Abi, Fathasya Aulia; Suwarno, Suwarno
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1269

Abstract

Penalaran analogi merupakan proses berpikir kritis yang memungkinkan siswa mentransfer pengetahuan dari permasalahan yang telah dikenali ke situasi baru. Penelitian ini bertujuan untuk mendeskripsikan profil penalaran analogi siswa kelas X dalam menyelesaikan soal trigonometri ditinjau dari gaya kognitif—field dependent (FD) dan field independent (FI). Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan teknik pengumpulan data melalui GEFT (Group Embedded Figures Test), tes penalaran analogi, dan wawancara semi-terstruktur. Dua subjek dipilih secara purposive, masing-masing mewakili satu gaya kognitif. Hasil penelitian menunjukkan bahwa siswa FI mampu menyelesaikan keempat tahap penalaran analogi encoding, inferring, mapping, dan applying—dengan baik dan mandiri. Sebaliknya, siswa FD mengalami hambatan khususnya pada tahap mapping dan applying, menunjukkan ketergantungan terhadap konteks dan bantuan eksternal. Temuan ini menunjukkan pentingnya penerapan strategi pembelajaran yang berbeda sesuai gaya kognitif siswa agar pembelajaran konsep abstrak seperti trigonometri dapat lebih efektif.
Analisis Kesalahan Siswa dalam Menyelesaikan Soal Eksponen Rindu, Oyafianus; Fernandez, Aloysius Joakim
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1278

Abstract

This study aims to analyze students’ errors in solving exponent problems in terms of conceptual understanding, skills, and problem-solving aspects. The research method employed was descriptive qualitative with two students of SMA St. Arnoldus Janssen Kupang as subjects, selected based on test results and teacher recommendations. The research instruments consisted of written tests and interviews, while the data analysis techniques included data reduction, data presentation, and conclusion drawing. The results showed that the first subject made errors in the problem-solving indicator on question number 2 and errors in all indicators on question number 3. Meanwhile, the second subject made errors in conceptual understanding and skills on question number 1 and complete errors on question number 3. Overall, the most dominant errors committed by students were in conceptual understanding, skills, and problem-solving, particularly in applying the properties of exponents. These findings provide important implications for teachers to emphasize concept-based learning and provide varied practice problems to improve students’ skills and problem-solving abilities.

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