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Contact Name
Muhammad Syahril Harahap
Contact Email
mathedudikmat@gmail.com
Phone
+6282165487775
Journal Mail Official
muhammadsyahrilharahap@gmail.com
Editorial Address
Jalan Ahmad Yani Gang Amanah
Location
Kab. tapanuli selatan,
Sumatera utara
INDONESIA
JURNAL MathEdu (Mathematic Education Journal)
ISSN : 26219832     EISSN : 26219832     DOI : https://doi.org/10.37081/mathedu.v4i1.2282
Core Subject : Education,
Ruang lingkup artikel ilmiah yang dapat diterbitkan dalam jurnal ini adalah sebagai berikut: Model Pembelajaran Matematika, Media dan Multimedia Pembelajaran Matematika, Kurikulum dalam Pendidikan Matematika, Penilaian (Assesment) dan Evaluasi dalam Pendidikan Matematika, Pengembangan Profesional Guru Matematika, Etnomatematika dalam Pendidikan dan pengajaran Matematika Desain Didaktis dalam Pendidikan dan pengajaran Matematika Lesson Study dalam Pembelajaran Matematika Matematika Terapan Penelitian Tindakan Kelas Fenomena Pendidikan
Articles 500 Documents
Efektivitas Model Pembelajaran Inquiry Dalam Meningkatkan Kemampuan Pemecahan Masalah Soal Cerita Matematika Siswa Di SMK Swasta HKBP Padangsidimpuan Andry Yudha Simanjuntak; Muhammad Syahril Harahap; Sinar Depi Harahap
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7146

Abstract

Penelitian ini bertujuan untuk mengetahui efektivitas penggunaan model pembelajaran inquiry dalam meningkatkan kemampuan pemecahan masalah soal cerita matematika siswa di kelas XI SMK Swasta HKBP Padangsidimpuan. Jenis penelitian yang digunakan adalah penelitian eksperimen, dengan metode penelitian yang digunakan adalah eksperimental, dan desain penelitian yang digunakan adalah One Group Pre-Test-Post-Test Design, sampel penelian ini berjumlah 14 orang siswa. Hasil data penggunaan model pembelajaran inquiry diperoleh nilai rata-rata 3,2 dengan kategori “Sangat Baik”. Hasil data kemampuan pemecahan masalah soal cerita matematika siswa pada materi sistem persamaan linear dua variabel sebelum menggunakan model pembelajaran inquiry diperoleh nilai rata-rata 26,92 dengan kategori “Gagal”. Selanjutnya, hasil data kemampuan pemecahan masalah soal cerita matematika siswa pada materi barisan dan deret aritmatika sesudah menggunakan model pembelajaran inquiry diperoleh nilai rata-rata 88,36 dengan kategori “ Sangat Baik”. Hasil uji normalitas data kemampuan pemecahan masalah soal cerita matematika siswa sebelum menggunakan model pembelajaran inquiry diperoleh nilai sig. 0,374 > 0,05 maka dapat disimpulkan bahwa data berdistribusi normal, dan kemampuan pemecahan masalah soal cerita matematika siswa setelah menggunakan model pembelajaran inquiry diperolah niali sig. 0,270 > 0,05, maka dapat disimpulkan bahwa data berdistribusi normal. Hasil uji homogenitas kemampuan pemecahan masalah soal cerita matematika mengguanakan uji one-way-anova diperoleh nilai sig. 0,151 > 0,05 , maka dapat disimpulkan bahwa data homogen. Hasil uji hipotesis efektivitas model pembelajaran inquiry dalam meningkatkan kemampuan pemecahan masalah soal cerita matematika siswa menggunakan uji t-test menunjukkan bahwa nilai korelasi antara dua variabel adalah 0,232 dengan sig. 0,001 < 0,05, maka Ho ditolak dan Ha diterima. Artinya “Penggunaan model pembelajaran inquiry efektif dengan kategori baik dalam meningkatkan kemampuan pemecahan masalah soal cerita matematika siswa di kelas XI SMK Swasta HKBP Padangsidimpuan”.
Pengembangan Media Pembelajaran E-Book Berbasis Etnomatematika Untuk Meningkatkan Kemampuan Penalaran Matematis Di SMP Kota Padangsidimpuan Atikah Ilmiyanti; Muhammad Syahril Harahap; Nunik Ardiana
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7260

Abstract

This study aimed to develop ethnomathematics-based e-book learning media to improve mathematical reasoning skills of seventh grade students of SMP Negeri 1 Padangsidimpuan. The development method used the ADDIE model consisting of the analysis stage, design stage, development stage, implementation stage, and evaluation stage. The subject was 34 students. The data collection techniques used validity questionnaires to test the validity of a product, student response questionnaires to test practicality, and test questions to test effectiveness. The results of the study, validity of the product of 3 validators obtained a total percentage of achievement of 89.81% (very valid category), the level of practicality of the student response questionnaire reached 91.82% (very practical category), and the average effectiveness was 96.45 (very effective category). It was concluded that ethnomathematics-based e-book learning media is very practical, effective and practical.
Efektivitas Penerapan Model Pembelajaran Improve terhadap Kemampuan Pemecahan Masalah Matematis Siswa di SMA Negeri 7 Padangsidimpuan Intan Purnama Sari Siregar; Rahmatika Elindra; Nunik Ardiana
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7263

Abstract

This study aimed to know the description of the applying of the improve learning model, mathematical problem solving ability, and whether there was any effectiveness of the improve learning model on the mathematical problem solving ability at the tenth grade students of SMA Negeri 7 Padangsidimpuan. The research method was an experiment with a one-group pretest posttest design. The sample was 24 students which taken by using cluster random sampling technique from 78 The research instrument used a problem-solving ability test and an observation sheet. The results showed that the average of using the improve learning model was 3.14 (very good) and the average mathematical problem solving ability of students before using the improve learning model was 60.20 (enough category) and after using the improve learning model 82.12 (very good). Based on the hypothesis test using a paired sample t-test, it showed a significant score of less than 0.05 (0.000 <0.50) so Ho was rejected and Ha was accepted. It was concluded the applying of the improve learning model, mathematical problem solving ability, and whether there was any effectiveness of the improve learning model on the mathematical problem solving ability at the tenth grade students of SMA Negeri 7
EFEKTIVITAS PENDEKATAN OPEN ENDED BERBANTUAN VIDEO INTERAKTIF PEMBELAJARAN UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATIKA SISWA Khoirul Dasril; Marzuki Ahmad; Sinar Depi Harahap
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7525

Abstract

Penelitian ini bertujuan untuk mengetahui gambaran pendekatan open ended berbantuan video interaktif, kemampuan berpikir kritis siswa, dan apakah terdapat gambaran pendekatan open ended berbantuan video interaktif terhadap kemampuan berpikir kritis siswa kelas VIII-2 smp muhammadiyah 29 padangsidimpuan. Metode penelitian yang digunakan adalah eksperimen dengan desain one-group pretest-posttest. Sampel diperoleh dengan menggunakan teknik cluster random sampling yang berjumlah 16 siswa dari 50 siswa. Instrumen penelitian menggunakan tes untuk kemampuan berpikir kritis dan lembar observasi untuk mengetahui gambaran pendekatan open ended berbantuan video interaktif. Hasil penelitian menunjukkan rata-rata menggunakan pendekatan open ended berbantuan video interaktif adalah 3,6 (kategori Sangat baik) dan rata-rata kemampuan berpikir kritis siswa sebelum menggunakan pendekatan open ended berbantuan video interaktif adalah 48,43 (kategori gagal) dan setelah menggunakan pendekatan open ended berbantuan video interaktif adalah 91,79 (kategori Sangat baik). Berdasarkan uji hipotesis dengan menggunakan paired sample test menunjukkan nilai signifikansi kurang dari 0,05 (0,000 < 0,05) maka Ho ditolak dan Ha diterima. Pendekatan open ended berbantuan video interaktif pembelajaran efektif untuk meningkatkan kemampuan berpikir kritis matematika siswa di kelas viii smp muhammadiyah 29 padangsidimpuan.
IMPLEMENTASI MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISSION (STAD) TERHADAP HASIL BELAJAR MATEMATIKA SISWA SMP N 1 HALONGONAN Lyra Oxana Harahap; Eva Yanti Siregar; Sinar Depi Harahap
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7680

Abstract

This study aims to determine the effectiveness of the cooperative learning model Student Teams Achievement Division (STAD) on the mathematics learning outcomes of eighth-grade students at SMP Negeri 1 Halongonan. The background of this research is the low mathematics learning outcomes of students, which are caused by a lack of conceptual understanding, low learning motivation, and the perception that mathematics is a difficult subject. This research employed an experimental method with a One Group Pretest-Posttest Design. The research subjects consisted of 18 eighth-grade students at SMP Negeri 1 Halongonan. The research instruments included a learning outcome test and an observation sheet for learning activities. Data were analyzed using normality, homogeneity, and t-tests with the aid of SPSS version 27. The normality test results indicated that the data were normally distributed, with significance values of 0.200 > 0.05 for the pretest and 0.174 > 0.05 for the posttest. The homogeneity test showed a significance value of 0.149 > 0.05, indicating that the data were homogeneous. The average student learning outcome before applying the STAD model (pretest) was 49.83, while after its application (posttest), it increased to 83.39. The t-test results showed a significance value of 0.000 < 0.05, meaning that H₀ was rejected and Hₐ was accepted. This indicates a significant difference between students’ learning outcomes before and after implementing the STAD model. The correlation value between the two variables was 0.248, showing a positive relationship between the implementation of the STAD model and the improvement of students’ mathematics learning outcomes. Based on these results, it can be concluded that the cooperative learning model of the STAD type is effective in improving the mathematics learning outcomes of eighth-grade students at SMP Negeri 1 Halongonan.
IMPLEMENTASI MODEL PEMBELAJARAN DISCOVERY LEARNING MENGGUNAKAN ALAT PERAGA BOARD ELEMENTS OF CIRCLE (BEC) TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA Riyan - Baharuddin; Muhammad Syahril Harahap; Eva Yanti Siregar
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7704

Abstract

This study aims to determine the effectiveness of the Discovery Learning model using the Board Elements of Circle (BEC) teaching aid on students’ critical thinking skills in the topic of circles at MTs N 2 Padangsidimpuan. This research employed an experimental method with a non-equivalent control group design. The subjects of the study consisted of two classes, namely class VIII-6 as the experimental group and class VIII-5 as the control group, each consisting of 16 students. The research instrument was a critical thinking skills test that had been validated and tested for reliability. Data were analyzed using normality tests, homogeneity tests, and t-tests with the help of SPSS 27 software. The results showed that the data were normally distributed with an Asymp. Sig (2-tailed) value of 0.200 > 0.05, and homogeneous with Sig. values of 0.315 > 0.05 for the experimental class and 0.198 > 0.05 for the control class. The average pretest score of the experimental class was 48.8 (poor category), which increased to 89.3 (excellent category) in the posttest. Meanwhile, the control class had an average pretest score of 52 (poor category) and a posttest score of 82 (good category). The t-test results indicated a correlation value between the two variables of 0.156 with a significance level of 0.039 < 0.05, which means that Ha is accepted and Ho is rejected. Therefore, it can be concluded that the Discovery Learning model using the Board Elements of Circle (BEC) is effective in improving students’ critical thinking skills on the topic of circles at MTsN 2 Padangsidimpuan.
EFEKTIVITAS MODEL ROLE PLAYING DALAM MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA KELAS V Wahyuni Syafitri Burhan; Dedek Oktavia Nasution; Almira Amir
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.8159

Abstract

This research is motivated by the low mathematics learning outcomes of elementary school students caused by teacher-centered learning and lack of active student involvement. Therefore, an innovative learning model is needed that is able to increase students' understanding of concepts and activeness, one of which is through the role playing model. This study aims to determine the effectiveness of the application of the role playing model in improving the mathematics learning outcomes of grade V students. Data collection techniques are carried out through tests, observations, and documentation. The results of the study showed an increase in student learning outcomes, marked by the percentage of learning completeness that increased from 48% in the first cycle to 80% in the second cycle. In addition, teacher activities and student involvement in learning have also increased significantly. These findings show that the application of the role playing model is effective in improving mathematics learning outcomes and encouraging student activity and confidence. Thus, this model is suitable as an alternative in learning mathematics in elementary school. Keywords— role playing, learning outcomes, math, student activities, innovative learning
PENGARUH MEDIA PEMBELAJARAN DAN TIPE KEPRIBADIAN TERHADAP PRESTASI BELAJAR MATEMATIKA SISWA SD Safrina Harahap; Zurriyana Nainggolan; Yusmiarn Yusmiarn
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.8160

Abstract

. This research is motivated by the low achievement of mathematics learning of elementary school students caused by the use of learning media that is less varied and has not paid attention to individual characteristics of students, especially personality types. This study aims to analyze the influence of learning media and personality type on students' mathematics learning achievement. The method used was a quasi-experiment with a 2×2 factorial design, involving 41 third grade students of SD Muhammadiyah 1 Padangsidimpuan. The research variables included learning media (interactive multimedia and magnetic boards) and personality types (introverts and extroverts). Data were collected through learning outcome tests and personality observations, then analyzed using a two-track ANOVA and Tukey's follow-up test. The results showed that there was a significant difference between the use of interactive multimedia and magnetic boards on mathematics learning achievement, where interactive multimedia provided higher results. In addition, there is a significant interaction between learning media and personality type. Interactive multimedia is more effective for introverted students, while magnetic boards are more effective for extroverted students. Thus, the selection of learning media that is suitable for the personality type of students plays an important role in increasing the effectiveness of learning and mathematics learning achievement.
Analisis Kemampuan Siswa dalam Mengolah Data Sederhana pada Pembelajaran Matematika Dasar Pendidikan Madrasah Ibtidaiyah Liza Syahputri; Riska Ghusalia; Rauzatul Syahira; Riva Ridhayani
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.8180

Abstract

This study aims to analyze the ability of MIN students in processing simple data in basic mathematics learning. The selection of this topic is based on the importance of data processing skills as a foundation for understanding statistics from an early age, yet many students still face difficulties in presenting and interpreting data. The research method used is a qualitative approach with a descriptive type. The subjects of this study were MIN students, and the data were collected through observation, tests, and documentation. The results show that students' ability in processing simple data is at a moderate level. Some students are able to present data in the form of tables, but still have difficulties in understanding and interpreting data accurately. These findings indicate the need for more innovative and interactive learning strategies. Therefore, this study is important as a basis for improving mathematics learning, especially in data processing material, Complexity students’ ability, data processing, basic mathematics, MIN
KEMAMPUAN PEMECAHAN MASALAH DAN BERPIKIR KRITIS: ANALISIS KESALAHAN MAHASISWA PADA MATERI HOTS SMP Ayathollah Khomeni; Yusup Junaedi; Yugi Hilmi; Rahmatika Elindra
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.8186

Abstract

This study aims to analyze the problem-solving and critical thinking abilities of prospective mathematics teachers in solving Higher Order Thinking Skills (HOTS) problems on lines and angles through error analysis. The study employed a qualitative descriptive approach. The research subjects consisted of 20 fourth-semester students of the Mathematics Education Study Program at Institut Pendidikan Tapanuli Selatan (IPTS). Data were collected through HOTS geometry tests, task-based interviews, and documentation of students’ written work. Error analysis was conducted using Newman’s Error Analysis (NEA), while critical thinking and problem-solving abilities were analyzed using the FRISCO and Krulik-Rudnick frameworks. Data were analyzed using the interactive model of Miles, Huberman, and Saldaña, which includes data reduction, data display, and conclusion drawing. The results showed that students’ abilities were still in the moderate to low category. The dominant errors occurred at the transformation and process skills stages, indicating difficulties in converting visual representations into mathematical models and selecting appropriate solution strategies. In addition, students demonstrated weaknesses in critical thinking, particularly in reasoning, inference, and overview indicators. These errors were influenced by epistemological and ontogenic obstacles related to weak spatial ability and conceptual understanding of geometry. Therefore, HOTS-based learning emphasizing visualization, critical thinking, and systematic problem-solving is needed to improve prospective teachers’ mathematical abilities.

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