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AFORE: Jurnal Pendidikan Matematika
Published by Universitas Nias Raya
ISSN : 27151646     EISSN : 28285263     DOI : 10.57094
Core Subject : Education,
Mathematics
Afore: Jurnal Pendidikan Matematika adalah jurnal bidang pendidikan dan ilmu matematika termasuk pengajaran dan pembelajaran, instruksi, pengembangan kurikulum, lingkungan belajar, pendidikan guru, teknologi pendidikan, perkembangan pendidikan, dari berbagai jenis penelitian yang berada di bawah naungan Fakultas Keguruan dan Pendidikan, Program Pendidikan Matematika Universitas Nias Raya. Jurnal ini diterbitkan 2 kali setahun pada bulan April, dan September
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 97 Documents
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ANALISIS KEMAMPUAN PEMAHAMAN MATEMATIS SISWA DENGAN MENGGUNAKAN PENDEKATAN PMRI Anesty G Hutajulu; Eunike Kantu; Navel Mangelep
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4197

Abstract

This study aims to analyze students’ mathematical understanding through the implementation of the Indonesian Realistic Mathematics Education (PMRI) approach. The background of this research focuses on the still low ability of students to comprehend mathematical concepts deeply, particularly in connecting representations, interpreting information, and applying concepts in contextual situations. The PMRI approach was chosen because it emphasizes the use of real contexts and modeling processes, allowing students to construct their own understanding. This study employed a qualitative descriptive method with secondary school students as subjects. Data were collected through mathematical understanding tests, classroom observations, and interviews. The understanding indicators analyzed included the ability to restate concepts, provide examples and non-examples, connect concepts, represent situations in mathematical models, and apply concepts in problem-solving. The results show that PMRI-based learning helps students achieve more meaningful understanding of concepts. Real-world contexts facilitate students’ initiation of the thinking process, while discussion and modeling activities support the development of more mature mathematical representations. However, some students still experienced difficulties at the stages of abstraction and generalization of concepts.
EFEKTIVITAS MODEL REALISTIC MATHEMATICS EDUCATION (RME) DENGAN STRATEGI SCAFFOLDING DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Kiky Ardhianti; Bambang Agus Sulistyono; Samijo
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4407

Abstract

This study aims to determine the effect of the scaffolding-based Realistic Mathematics Education (RME) learning model on students' mathematical problem-solving abilities. This study used a quantitative approach with a quasi-experimental method through a pretest - posttest control group design. The research sample was determined using purposive sampling, namely class XI DKV 2 as the experimental class with the scaffolding-based RME learning model and class XI DKV 1 as the control class with the conventional learning model. Research data were collected through a mathematical problem-solving ability test in the form of essay questions. Data analysis techniques included descriptive statistics, independent sample t-test, and N-gain analysis. Based on the descriptive statistics results, the average post-test score for the experimental class was 76.03 and the control class had an average of 65.53. The results of the independent sample t-test showed a significant value of 0.000, indicating that sig. (2-tailed) < α=0.05. Thus, the null hypothesis (H₀) was rejected, and the alternative hypothesis (H₁) was accepted, meaning that the scaffolding-based RME learning model was effective in improving students' mathematical problem-solving skills.
PENGARUH PENGGUNAAN E-MODUL ETNOMATEMATIKA BERBASIS LESUNG JOHO KEDIRI TERHADAP PENINGKATAN NUMERASI SISWA SMP Indah Dwi Setyani; Jatmiko; Aprilia Dwi Handayani
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4427

Abstract

Numerasi merupakan kemampuan penting dalam pembelajaran matematika, namun masih rendah akibat pembelajaran yang kurang kontekstual. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan E-Modul Etnomatematika: Konsep Matematika Dalam Alat Musik Lesung Joho Kediri terhadap kemampuan numerasi peserta didik SMP pada materi bangun ruang. Penelitian ini menggunakan pendekatan kuantitatif dengan jenis eksperimen semu melalui desain one group pre-test–post-test. Subjek penelitian terdiri atas 20 peserta didik kelas VIII SMP Plus Rahmat Kediri. Instrumen penelitian berupa tes numerasi yang diberikan sebelum dan sesudah pembelajaran menggunakan e-modul. Teknik pengumpulan data dilakukan melalui tes dan dokumentasi. Analisis data meliputi uji normalitas Shapiro–Wilk, uji homogenitas, dan uji paired sample t-test. Hasil penelitian menunjukkan bahwa data berdistribusi normal dan homogen, serta terdapat perbedaan yang signifikan antara nilai pre-test dan post-test dengan nilai signifikansi kurang dari 0,05. Dengan demikian, E-Modul Etnomatematika: Konsep Matematika Dalam Alat Musik Lesung Joho Kediri efektif dalam meningkatkan kemampuan numerasi peserta didik.
ANALISIS METAKOGNITIF SISWA DALAM MENYELESAIKAN SOAL PEMECAHAN MASALAH PADA MATERI LUAS GABUNGAN BANGUN DATAR Firda Rizky Amelia; Jatmiko; Aprilia Dwi Handayani
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4433

Abstract

This study aims to describe students’ metacognitive skills in solving mathematical problem-solving tasks on composite plane figures. A qualitative descriptive approach was employed. The subjects were three fifth-grade students of SDN Blabak 1 Kota Kediri, selected through purposive sampling and categorized into high, medium, and low mathematical ability levels. Data were collected through written tests, semi-structured interviews, and documentation, and analyzed using data reduction, data display, and conclusion drawing. The instruments were developed based on the metacognitive indicators of Jacobse and Harskamp: orientation, planning, evaluation, and reflection. The results show that students with high mathematical ability demonstrate well-developed metacognitive skills across all indicators, students with medium ability exhibit partial metacognitive regulation, and students with low ability show weak metacognitive control. These findings emphasize the importance of strengthening metacognitive strategies in mathematics learning.
ETNOMATEMATIKA: EKSPLORASI KONSEP MATEMATIKA PADA AKTIVITAS PERTANIAN DI DESA TAMBAKREJO, KECAMATAN GURAH, KABUPATEN KEDIRI Susanto, Arya Bagas
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4436

Abstract

Etnomatematika merupakan ilmu yang mempelajari ilmu matematika yang berkaitan dengan budaya. Salah satu bentuk etnomatematika dapat diketahui pada aktivitas pertanian di Desa Tambakrejo, Kecamatan Gurah, Kabupaten Kediri. Tujuan penelitian ini yaitu mengeksplorasi konsep matematika yang terdapat pada aktivitas pertanian di Desa Tambakrejo. Penelitian ini menggunakan pendekatan kualitatif dengan jenis penelitian etnografi. Pengambilan data dilakukan dengan cara wawancara, observasi dan dokumentasi. Teknik analisis data yang digunakan yaitu triangulasi sumber. Hasil penelitian menunjukkan bahwa pada aktivitas pertanian Di Desa Tambakrejo memuat konsep matematika yaitu pembagian bersisa, pengukuran, geometri, perbandingan, dan aritmatika. Keyword: Etnomatematika, Konsep Matematika, Aktivitas Matematika
PEMBELAJARAN BERBASIS PROYEK TERHADAP KEMAMPUAN PEMAHAMAN KONSEP SISWA PADA MATERI BANGUN DATAR DI SD Averlin Kristiani Lahagu; Hardi Tambunan; Firman Pangaribuan
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4556

Abstract

This study aimed to determine the effect of project-based learning on students’ conceptual understanding of plane geometry at Bintang Laut Private Elementary School, Telukdalam. The study employed a quantitative approach using a quasi-experimental method. The research subjects were fifth-grade students divided into an experimental group and a control group. The experimental group was taught using the project-based learning model, while the control group received conventional instruction. The research instrument was a conceptual understanding test on plane geometry administered before and after the treatment (pretest and posttest). The collected data were analyzed using descriptive and inferential statistics to identify differences in students’ conceptual understanding. The results revealed a significant improvement in students’ conceptual understanding in the experimental group after the implementation of project-based learning compared to the control group. Students taught through project-based learning demonstrated better abilities in understanding the properties of plane figures, applying formulas for area and perimeter, and relating mathematical concepts to real-life situations. These findings indicate that project-based learning is effective in enhancing elementary school students’ conceptual understanding of mathematics. Therefore, project-based learning is recommended as an innovative and contextual instructional strategy in elementary mathematics education.
PENERAPAN MODEL PEMBELAJARAN RME TERHADAP PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMKN 1 SEMEN Siti Retnosari; Bambang Agus Sulistyono; Samijo
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4569

Abstract

Based on the observation results, it was found that students still have difficulty in solving problems, especially in story problems that require contextual reasoning, the methods used by teachers have not been able to fully encourage students to think critically. The purpose of this study is to apply the RME model to improve students' mathematical problem-solving abilities. This study uses a quantitative approach with an experimental method. This study was conducted at SMK Negeri 1 Semen, with a sample taken of class X AKL 1 totaling 32 students in the 2025/2026 academic year. Data were analyzed using the Paired Sample T-Test. The results of the analysis show an increase in students' mathematical problem-solving abilities by applying the RME learning model, especially in story problems on exponential function material. In this case, students are actively involved in group discussions to identify the problems given. Teachers also play an optimal role in each stage of learning the RME model. Thus, the application of the RME model is quite effective and provides positive results for mathematics learning.

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