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Analisis Kemampuan Penalaran Matematis Siswa dengan Menggunakan Model Pembelajaran Berbasis Masalah Pniel Sozawato Zendrato; Netti Kariani Mendrofa; Yulisman Zega; Yakin Niat Telaumbanua
Ideguru: Jurnal Karya Ilmiah Guru Vol. 10 No. 1 (2025): January 2025 Edition
Publisher : Dinas Pendidikan, Pemuda dan Olahraga Daerah Istimewa Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51169/ideguru.v10i1.1472

Abstract

Learning processes and daily life are significantly influenced by reasoning ability. Specifically, in mathematics education, reasoning is crucial for students to master. Reasoning plays a vital role in the development of mathematical thinking, serving as a foundation that enables students to delve into and understand general mathematical concepts and to draw conclusions from mathematical problems. By applying a problem-based learning model, students can be assisted in solving mathematical problems related to current issues. This study uses a qualitative approach with a phenomenological perspective, aiming to analyze and describe students' mathematical reasoning abilities through the problem-based learning model. The research was conducted at SMP Negeri 4 Gunungsitoli Utara. The results showed that after the reasoning ability test, student scores varied, with the highest score being 87, the lowest 31, and an average of 63.35, categorized as moderate. The analysis identified several factors affecting students' reasoning abilities, including lack of conceptual understanding, inconsistency in problem identification, lack of precision, and difficulty in finding formulas to solve problems.
PENGARUH MODEL PEMBELAJARAN STEM (SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA Boy Arwin Zebua; Yakin Niat Telaumbanua; Netti Kariani Mendrofa; Ratna Natalia Mendrofa
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): Januari - Juni 2026
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.453

Abstract

Penelitian ini dilatarbelakangi berdasarkan hasil studi pendahuluan yang  dilakukan peneliti di UPTD SMP Negeri 2 Gunungsitoli ditemukan masalah yaitu (a) Kemampuan komunikasi matematis siswa masih tergolong rendah, dan (b) Model pembelajaran yang digunakan masih bersifat konvensional. Tujuan penelitian ini adalah untuk mengetahui ada tidaknya pengaruh model pembelajaran STEM (Science, Technology, Engineering, And Mathematics) terhadap kemampuan komunikasi matematis siswa. Jenis penelitian ini adalah penelitian eksperimen dengan metode eksperimen semu (quasi experimental). Populasi penelitian ini adalah seluruh siswa kelas VII di UPTD SMP Negeri 2 Gunungsitoli. Teknik pengambilan sampel dengan teknik sampling jenuh, yaitu siswa kelas VII-A yang berjumlah 27 orang sebagai kelas kontrol dan kelas VII-B yang berjumlah 27 orang sebagai kelas eksperimen. Instrumen penelitian berbentuk essay test kemampuan komunikasi matematis. Berdasarkan hasil penelitian dengan uji hipotesis satu pihak, diperoleh nilai thitung = 5,373 dan nilai ttabel = 1,675. Karena thitung > ttabel atau 5,373 > 1,675maka tolak Ho terima Ha, yang berarti “Ada pengaruh model pembelajaran STEM terhadap kemampuan komunikasi matematis siswa”.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAM ACHIEVEMENT DIVISION BERBANTUAN QUIZIZZ TERHADAP HASIL BELAJAR MATEMATIKA SISWA Joice Erna Lase; Netti Kariani Mendrofa; Sadiana Lase; Yakin Niat Telaumbanua
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): Januari - Juni 2026
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.455

Abstract

Penelitian ini dilatarbelakangi oleh temuan dari hasil observasi di SMA Negeri 3 Gunungsitoli, yaitu (1) rendahnya pencapaian belajar matematika siswa, (2) guru masih menerapkan model pembelajaran konvensional, dan (3) minimnya pemanfaatan media pembelajaran. Upaya untuk mengatasi masalah tersebut dilakukan melalui penerapan model pembelajaran kooperatif tipe Student Team Achievement Division (STAD) berbantuan Quizizz. Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran kooperatif tipe Student Team Achievement Division (STAD) berbantuan Quizizz terhadap hasil belajar matematika siswa kelas X. Penelitian menggunakan desain quasi-eksperimen dengan nonequivalent control group, melibatkan kelas eksperimen (36 siswa) dan kelas kontrol (35 siswa). Data dikumpulkan melalui tes awal (pretest) dan tes akhir (posttest) yang telah diuji validitas dan reliabilitasnya, serta dianalisis menggunakan uji normalitas, uji homogenitas, dan uji t independen pada taraf signifikansi 5%. Hasil penelitian menunjukkan bahwa rata-rata nilai tes akhir kelas eksperimen meningkat secara signifikan dari 40,30 menjadi 79,82, sedangkan kelas kontrol hanya meningkat dari 36,30 menjadi 66,87. Persentase ketuntasan belajar di kelas eksperimen juga meningkat dari 0% menjadi 88,9%, dan skor kuis harian menunjukkan peningkatan pemahaman materi secara bertahapBerdasarkan hasil uji t diperoleh nilai Sig. (2-tailed) 0,000 < 0,05, yang berarti bahwa penggunaan model pembelajaran kooperatif tipe STAD berbantuan Quizizz berpengaruh signifikan terhadap hasil belajar matematika siswa SMA Negeri 3 Gunungsitoli.
PENGARUH MODEL PEMBELAJARAN PAIR CHECK TERHADAP HASIL BELAJAR MATEMATIKA SISWA Helpi Sri Rezeki Zebua; Netti Kariani Mendrofa; Sadiana Lase; Ratna Natalia Mendrofa
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): Januari - Juni 2026
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.456

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh model pembelajaran Pair Check terhadap hasil belajar matematika siswa kelas VIII UPTD SMP Negeri 1 Gunungsitoli Barat tahun ajaran 2024/2025. Metode yang digunakan adalah eksperimen semu dengan desain Nonequivalent Control Group Design. Sampel penelitian terdiri dari dua kelas, yaitu kelas eksperimen dengan model Pair Check dan kelas kontrol dengan pembelajaran konvensional, masing-masing berjumlah 28 siswa. Instrumen penelitian berupa tes uraian yang divalidasi dan diuji reliabilitasnya. Hasil uji statistik deskriptif menunjukkan bahwa nilai rata-rata tes awal kelas eksperimen sebesar 44,11 dan kelas kontrol 43,07, sedangkan nilai rata-rata tes akhir kelas eksperimen meningkat menjadi 81,75 dan kelas kontrol 62,68. Uji normalitas dan homogenitas menunjukkan bahwa data berdistribusi normal dan homogen. Pengujian hipotesis dengan uji t independen menghasilkan nilai signifikansi 0,00 < 0,05 serta thitung = 5,9915 > ttabel = 1,673, sehingga Ho ditolak dan Ha diterima. Dengan demikian, dapat disimpulkan bahwa penerapan model pembelajaran Pair Check berpengaruh positif dan signifikan terhadap peningkatan hasil belajar matematika siswa.
HUBUNGAN ANTARA KEMANDIRIAN BELAJAR DAN KREATIVITAS MATEMATIS DENGAN HASIL BELAJAR MATEMATIKA SISWA KELAS VIII SMP Zamago, Bedi Putra; Waruwu, Windi Cindiana; Halawa, Sandi Marsello Arora; Laia, Firman Wati; Zai, Zefri Anugrah; Mendrofa, Netti Kariani
Uninus Journal of Mathematics Education and Science (UJMES) Vol. 11 No. 2 (2026): Juli 2026
Publisher : Universitas Islam Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ujmes.v11i2.4187

Abstract

Abstract This research is motivated by the importance of learning independence and mathematical creativity in supporting students' success in mathematics learning. This study aims to determine the relationship between learning independence and mathematics learning outcomes, the relationship between mathematical creativity and mathematics learning outcomes, and the relationship between learning independence and mathematical creativity together on mathematics learning outcomes of grade VIII students of SMP Negeri 3 Idanogawo. This study uses a quantitative approach with a correlational research type. The study population was 73 grade VIII students of SMP Negeri 3 Idanogawo in the 2025/2026 academic year, with a sample of 25 students determined using the Cluster Random Sampling technique. Data collection was carried out through a learning independence questionnaire, a mathematical creativity test, and a mathematics learning outcome test. Data analysis used descriptive statistics, normality tests, linearity tests, Pearson Product Moment correlations, multiple correlations, and coefficients of determination with the help of the SPSS program. The results of the study showed that there was no significant relationship between learning independence and mathematics learning outcomes (sig. = 0.303 > 0.05), there was a significant relationship between mathematical creativity and mathematics learning outcomes (sig. = 0.022 < 0.05), and there was a relationship between learning ability and mathematical creativity together on mathematics learning outcomes with a contribution of 22%. Thus, mathematical creativity has a more dominant role in the overall mathematics learning outcomes of students.
PENGARUH METODE GAMIFIKASI BERBASIS KAHOOT TERHADAP MOTIVASI DAN HASIL BELAJAR SISWA KELAS VII SMP Harefa, Yenti Warni; Buulolo, Harapan; Laia, Otinieli; Ndruru, Roswita; Gulo, Derikam; Mendrofa, Netti Kariani
Uninus Journal of Mathematics Education and Science (UJMES) Vol. 11 No. 2 (2026): Juli 2026
Publisher : Universitas Islam Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ujmes.v11i2.4195

Abstract

This study aimed to analyze the effect of gamification using the Kahoot platform on students’ motivation and mathematics learning outcomes in data and diagram material for seventh-grade junior high school students. The study used a quantitative approach with a quasi-experimental pretest-posttest control group design. The sample consisted of 40 students from SMP Swasta Kristen Agios Nikolaos Gunungsitoli, divided into 20 students in the experimental class and 20 students in the control class. The experimental class received mathematics learning through Kahoot-based gamification, while the control class received conventional instruction. Data were collected using pretest and posttest scores, a learning motivation questionnaire based on the ARCS model, and observation sheets. Data analysis was conducted using Shapiro-Wilk normality test, Levene’s Test, Mann-Whitney U test, and N-Gain analysis with SPSS version 24. The results showed a significant difference in posttest scores between the experimental and control classes (Sig. = 0.046 < 0.05), indicating that Kahoot-based gamification affected students’ posttest scores. However, no significant differences were found in learning motivation and N-Gain scores. These findings suggest that Kahoot is more effective in influencing final learning outcomes than directly improving students’ learning motivation.
ANALISIS KEMAMPUAN REPRESENTASI MATEMATIS SISWA SMP PADA PROBLEM BASED LEARNING BERBANTUAN LKPD Hia, Elvin Kartika; Harefa, Bilman Ariesta Nofaomasi; Harefa, Budizanolo; Hulu, Apriliani; Ziliwu, Seven Darma Putra; Mendrofa, Netti Kariani
Uninus Journal of Mathematics Education and Science (UJMES) Vol. 11 No. 2 (2026): Juli 2026
Publisher : Universitas Islam Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30999/ujmes.v11i2.4196

Abstract

This study aims to describe the mathematical representation ability of eighth-grade junior high school students in Problem Based Learning (PBL) assisted by Student Worksheets (LKPD) on the topic of straight-line equations. The low mathematical representation ability of students became the background of this study, where students often experience difficulties in presenting mathematical ideas in various forms of representation. This study employed a quantitative descriptive design with samples selected using cluster random sampling technique, namely random selection of one class from all eighth-grade classes considered homogeneous, resulting in class VIII-A with 25 students at SMPN 1 Gunungsitoli Utara. The instrument used was a written description test consisting of 3 items covering three indicators: words or written text, visual representation, and equations or mathematical expressions. Categorization used the mean and standard deviation criteria based on Arikunto (2010). Results showed that students' mathematical representation ability was generally in the medium category with a mean of 71.33, maximum score of 83.33, and minimum score of 41.66. The words or written text indicator reached 52%, visual representation 60%, and equations or mathematical expressions 60% in the medium category. Thus, students' mathematical representation ability across all three indicators was predominantly in the medium category.
Pengembangan Modul Pembelajaran Matematika Berbasis Problem Based Learning untuk Meningkatkan Kemampuan Berpikir Kritis Matematis Siswa SMP dalam Implementasi Kurikulum Merdeka Benedikta Zega; Netti Kariani Mendrofa; Sadiana Lase; Yakin Niat Telaumbanua
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 10 No 2 (2026): Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 10 Nomor 2 Tahun 2026
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v10i2.4680

Abstract

Penelitian ini didasari oleh pengamatan di UPTD SMP Negeri 5 Gunungsitoli yang menunjukkan bahwa kemampuan berpikir kritis matematis siswa masih sangat lemah, ditambah dengan kurangnya modul pembelajaran matematika yang dirancang khusus untuk siswa kelas delapan. Oleh karena itu, penelitian ini bertujuan untuk mengembangkan modul pembelajaran berbasis Problem Based Learning yang valid, praktis, dan efektif guna meningkatkan kemampuan berpikir kritis matematis siswa. Penelitian ini termasuk dalam kategori penelitian dan pengembangan (R&D) dengan menerapkan model ADDIE yang terdiri dari lima tahap utama: analisis, desain, pengembangan, implementasi, dan evaluasi. Peserta penelitian adalah 32 siswa kelas VIII di UPTD SMP Negeri 5 Gunungsitoli. Data yang dikumpulkan meliputi data kuantitatif dan kualitatif yang diperoleh melalui instrumen seperti kuesioner dan tes. Berdasarkan hasil penelitian, modul yang dihasilkan memenuhi persyaratan kelayakan setelah dievaluasi dari segi desain, bahasa, dan validitas isi. Selain itu, modul tersebut memperoleh nilai kepraktisan sebesar 87,14% berdasarkan penilaian guru dan 91,46% berdasarkan respons siswa, yang menunjukkan bahwa modul tersebut sangat praktis. Berdasarkan hasil evaluasi tes, tingkat penguasaan materi siswa mencapai 90,6% dan masuk dalam kategori “sangat efektif”, serta tingkat rata-rata keterampilan berpikir kritis matematika siswa sebesar 82,34 dan masuk dalam kategori “sangat baik”. Oleh karena itu, dapat disimpulkan bahwa modul pembelajaran berbasis problem based learning yang dibuat berhasil meningkatkan kemampuan berpikir kritis siswa dalam matematika.
PENGARUH MODEL PEMBELAJARAN SELF-DIRECTED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA UPTD SMP NEGERI 7 GUNUNGSITOLI Jenni Indah Mitra Ndruru; Ratna Natalia Mendrofa; Yakin Niat Telaumbanua; Netti Kariani Mendrofa
PENDIDIKAN SAINS DAN TEKNOLOGI Vol 12 No 4 (2025)
Publisher : STKIP PGRI Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47668/edusaintek.v12i4.2065

Abstract

This research was motivated by a preliminary study conducted at UPTD SMP Negeri 7 Gunungsitoli, which revealed that mathematics learning still employed conventional teaching models and that students' mathematical creative thinking skills were still relatively low. The aim of this study was to determine the effect of the Self-Directed Learning model on students' mathematical creative thinking abilities. The research method used was quantitative with a quasi-experimental approach and a pretest-posttest control group design. The population of the study was all eighth-grade students, with two classes selected through simple random sampling: class VIII-B (23 students) as the experimental group and class VIII-A (24 students) as the control group. The research instrument was an essay test designed to assess students' mathematical creative thinking skills. The results of the one-tailed hypothesis test showed that the calculated t-value was 5.118, which was greater than the t-table value of 1.682. Therefore, the null hypothesis (H₀) was rejected, and the alternative hypothesis (Hₐ) was accepted. Thus, it can be concluded that the Self-Directed Learning model has a significant effect on students' mathematical creative thinking abilities.
IMPLEMENTASI KURIKULUM MERDEKA PADA PEMBELAJARAN MATEMATIKA DI UPTD SMP NEGERI 8 GUNUNGSITOLI Sari Santi Siapudan Lase; Yakin Niat Telaumbanua; Ratna Natalia Mendrofa; Netti Kariani Mendrofa
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7847

Abstract

This research is based on a preliminary study conducted through initial observations at UPTD SMP Negeri 8 Gunungsitoli, which reavealed that teachers are still in the adjustment stage to the independent curriculum, leading to suboptimal implementation. Low student motivation, inadequate mathematics learning facilities and infrastructure, and limited resources encouranged the researcher to investigate the extent of the independent curriculum implementation, learning, and assessment at the school. This study employs a qualitative research method with data colleted through observation, interviews, and documentation. The instruments used included interviews with teacher, student, and several school administration. Data analysis consisted of data reduction, data presentation, and conclusion drawing using qualitative deskriptive analysis techniques. The findings of this research indicate that teachers have prepared learning plans based on the independent curriculum. although the implementation has not been fully optimal. Teachers have integrated the main components of the independent curriculum into the learning process, but some still encounter abstracles due to a lack of facilities and resources. Overall , the independent curriculum has been implemented and has shown positive results in learning, thought improvements are still needed to achieve maximum outcomes.
Co-Authors A. Fitriani Abdir Aldin Gulo Gulo Abi Rahmad Zalukhu Ahmadin Alpian Hulu Amin Otoni Harefa Amin Otoni Harefa Arnis Oktarina Gea Baso Intang Sappaile, Baso Intang Basri, Teuku Hasan Bawamenewi, Arozatulo Bawamenewi, Eniman Benedikta Zega Berto Funny Hulu Bornok Sinaga Boy Arwin Zebua Buulolo, Harapan Citra Cahyani Telaumbanua Dewi Sani Zalukhu Edi Surya, Edi Edi Syahputra EDI SYAHPUTRA Eka Septianti Laoli Elmanani Simamora elmanani simamora Ester Primajuni Zebua Esther Purnama Sari Zega FERDY SETIAWAN LAHAGU Gea, Elvin Sri Sandy Gea, Harapan Gulo, Alfa Stephen Notatema Gulo, Anastasia Aprilianis Gulo, Derikam Gulo, Devi Ratna Sari Gulo, Irwan Krisman Gulo, Kasuari Gulo, Rido Eli Hadi Prayitno Hafiz, Asnal Halawa, Sandi Marsello Arora Hanafiah Hanafiah, Hanafiah Hanum, Gilang Kartika Harefa , Amin Otoni Harefa, Agnes Renostini Harefa, Bilman Ariesta Nofaomasi Harefa, Budizanolo Harefa, Yarman Sia Harefa, Yenti Warni Helpi Sri Rezeki Zebua HERMAN WIJAYA MENDROFA Hernita Pasongli Hia, Elvin Kartika Hulu, Apriliani Hulu, Friska Putri Magdalena Hulu, Krisnatal Hulu, Mitra Verolina HULU, YOSANA Husriani Husain Ikhlas Anwar Lahagu Indah Juwinta Iwan Berkat Zega Izwita Dewi Jenni Indah Mitra Ndruru Joice Erna Lase Jujur Sabdani Harefa Laia, Firman Wati Laia, Otinieli Laia, Wasnidar Laoli, Jon Wancer Larosa, Muspardin Lase, Lisa Desi Mawati Lase, Shinta Putri Angraeni Lendi Fitri Asnika Lafau Lidia Ida Zalukhu Lindawati Lindawati Lubis, Tsuwaibatul Aslamiyah Martin Famatoro Gulo Marwan Putra Laia Mendofa, Juvita Sri Kasrina Mendrofa, Ignasius Mendrofa, Ratna Natalia Mendrofa, Versily Mubarok, Ahmad Muhammad Yusup Murni Hulu, Elvin Syah Mustofa Mustofa Ndruru, Roswita Nisak, Sayida Khoiratun Oktosiyanti MT. Abdullah, Oktosiyanti MT. Pniel Sozawato Zendrato Rahmani, Anggi Reformasi Zega Riana Riana Sadiana Lase Samputri, Salma Sari Santi Siapudan Lase SEPRIMAN LAOLI Solly Aryza Supendi, Dede Syaharuddin Syawal Gultom Telaumbanua, Happy Rahmat Saro Telaumbanua, Reska Widyanti TELAUMBANUA, RESTI JULIANA Telaumbanua, Windi Diantari Telaumbanua, Yakin Niat Tinta Purnama Dewi Gulo Wahdah Waruwu, Juli Antonius Waruwu, Nini Suryani Waruwu, Windi Cindiana Yanida Bu’ulolo Yaredi Waruwu Yasriuddin, Yasriuddin Yosef Darwin Telaumbanua Yudika Zalukhu Yulisman Zega Yulisman Zega ZAI, EDISON Zai, Firman Pikir Zai, Zefri Anugrah Zalukhu, Anna Fertika Zalukhu, Junitariang Zamago, Bedi Putra Zebua, Amin Kristin Zebua, Ester Primajuni Zebua, Ikke Afdolitha Zebua, Kasihani Zebua, Niscayarida Kristin Zebua, Soniat Mekartini Zebua, Srinuryanti Zebua, Syukur Marno Life Zega, Desman Anugrah Zega, Mira Astuti Zega, Pretty Souvenir Zendrato, Arikasian Zendrato, Martalena Susanti Ziliwu, Erawan Darma Ziliwu, Seven Darma Putra