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All Journal Journal of Education and Learning (EduLearn) Edukasi Islami: Jurnal Pendidikan Islam Jurnal Pendidikan Matematika (JUDIKA EDUCATION) AXIOM : Jurnal Pendidikan dan Matematika JURNAL PENDIDIKAN TAMBUSAI Jurnal Basicedu Journal on Education Jurnal Literasiologi Jurnal Pendidikan Edutama Jurnal Pendidikan dan Konseling Imajiner: Jurnal Matematika dan Pendidikan Matematika Ideas: Jurnal Pendidikan, Sosial dan Budaya Jurnal Aisyah : Jurnal Ilmu Kesehatan Bubungan Tinggi: Jurnal Pengabdian Masyarakat SEPREN: Journal of Mathematics Education and Applied Prosiding Conference on Research and Community Services JURNAL PENDIDIKAN SAINS SOSIAL DAN AGAMA Jurnal Jendela Pendidikan Journal of Educational Learning and Innovation (ELIa) Dharmas Education Journal (DE_Journal) Indo-MathEdu Intellectuals Journal Jurnal Kajian Ilmu Pendidikan (JKIP) JURNAL CURERE Jurnal Basicedu Jurnal Ilmu Pendidikan dan Sosial Sevanam: Jurnal Pengabdian Masyarakat PIJAR: Jurnal Pendidikan dan Pengajaran Innovative: Journal Of Social Science Research Jurnal Teknik Mesin UDA Kreativitas Pada Pengabdian Masyarakat (Krepa) Revorma: Jurnal Pendidikan dan Pemikiran Jurnal Pengabdian Multidisiplin Indonesia Edumaspul: Jurnal Pendidikan
Tutiarny Naibaho
Nommensen HKBP University
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Pengaruh Model Pembelajaran Kooperatif Tipe Think Pair Share (TPS) Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Pada Materi Bilangan Bulat Kelas VII Siagian, Ruth Theofani; Manik, Efron; Naibaho, Tutiarny
PIJAR: Jurnal Pendidikan dan Pengajaran Vol. 4 No. 1 (2025): Desember
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/pijar.v4i1.1126

Abstract

Penelitian ini bertujuan untuk mengetahui model pembelajaran Kooperatif Tipe Think Pair Share (TPS) digunakan pada kelas VII mempengaruhi Kemampuan pemecahan masalah matematis siswa Pada materi bilangan bulat. Penelitian ini adalah Quasi Eksperiment yang menggunakan teknik cluster sampling. Sampel yang dikumpulkan untuk penelitian ini adalah kelas VII-A sebagai kelas eksperimen, dan kelas VII-B sebagai kelas kontrol. Alat yang digunakan adalah tes. Hasil perhitungan kemampuan pemecahan masalah matematis menunjukkan bahwa nilai Sig.(2-tailed) sebesar 0,000 < 0,05 pada taraf signifikansi 5%. Nilai rata-rata untuk kelas eksperimen kemampuan pemecahan masalah matematis adalah 84,115, sedangkan nilai rata-rata untuk kelas kontrol adalah 58,470. Kemudian dari hasil uji N-Gain diperoleh rata-rata skor kelas eskperimen 0,84 (kriteria tinggi) dan skor kelas kontrol 0,46 (kriteria sedang). Maka dapat disimpulkan bahwa model pembelajaran Kooperatif Tipe Think Pair Share (TPS) Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Pada Materi Bilangan Bulat Kelas VII SMP NEGERI 1 STABAT T.A 2024/2025"
Pengaruh Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Pada Materi Statistika Di Kelas VIII Pardosi, Esra Margaretha Br; Manik, Efron; Naibaho, Tutiarny
PIJAR: Jurnal Pendidikan dan Pengajaran Vol. 4 No. 1 (2025): Desember
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/pijar.v4i1.1133

Abstract

Penelitian ini bertujuan mengetahui pengaruh model pembelajaran Problem Based Learning (PBL) terhadap kemampuan pemecahan masalah matematis siswa pada materi Statistika kelas VIII. Metode yang digunakan adalah Quasi Experiment dengan desain pretest-posttest control group design. Sampel penelitian terdiri atas dua kelas, yaitu kelas eksperimen berjumlah 31 siswa yang diberi perlakuan dengan model PBL dan kelas kontrol berjumlah 28 siswa yang diajar dengan model konvensional. Instrumen penelitian berupa tes pemecahan masalah matematis berbentuk uraian yang telah diuji validitas dan reliabilitasnya. Hasil penelitian menunjukkan bahwa nilai N-Gain pada kelas eksperimen sebesar 0,73 (kategori tinggi), sedangkan pada kelas kontrol sebesar 0,32 (kategori sedang). Rata-rata nilai posttest siswa kelas eksperimen juga lebih tinggi dibandingkan dengan kelas kontrol. Uji hipotesis menggunakan uji-t menghasilkan nilai thitung = 13,858 > ttabel = 2,8 dengan sig. = 0,000 < 0,05, yang berarti terdapat pengaruh signifikan model PBL terhadap kemampuan pemecahan masalah matematis siswa. Dengan demikian, penerapan PBL dapat dijadikan alternatif yang efektif dalam pembelajaran matematika untuk meningkatkan kemampuan pemecahan masalah siswa
Pengaruh Pembelajaran Deepdialogue/Critical Thinking (DD/CT) Terhadap Kemampuan Penalaran Matematis Siswa Pada Materi Peluang Di Kelas X SMAS Katolik Budi Murni – 3 Medan Pasaribu, Ruth Ester Maria; Pangaribuan, Lena R.; Naibaho, Tutiarny
Jurnal Kajian Ilmu Pendidikan (JKIP) Vol. 6 No. 4 (2025): Jurnal Kajian Ilmu Pendidikan (JKIP)
Publisher : Lembaga Riset dan Inovasi Almatani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55583/jkip.v6i4.1768

Abstract

This study was conducted to determine the influence of a deep dialogue / critical thinking (DD/CT) learning model on the mathematical reasoning ability of students in class X of high school on opportunity materials at Budi Murni Catholic Private High School – 3 Medan. The type of research used is quantitative using quasi-experimentation with the research design being pretest postest control group design. This study uses 2 classes, namely the control class and the experimental class. The test of the research instruments used in this study are the validity test, reliability test, question differentiating power test and question difficulty level test, to find out whether the question to be tested is feasible or not. The prerequisite tests used are the normality test and the homogeneity test. For the hypothesis test, a t-independent test (α:0.05%) was used with the P criterion. The value must be less than 0.05, so there is a significant difference. The result of the t- independent test obtained was 0.004. The significant difference between the control class and the experimental class that was given different treatment can be concluded that the deep dialogue/critical thinking (DD/CT) learning model has an effect on students' mathematical reasoning skills.
Teori Filsafat Humanistik dalam Pembelajaran Matematika Hanter Manik; Agustina C B Sihite; Maria Martha Manao; Suryati Sitepu; Tutiarny Naibaho
Edumaspul: Jurnal Pendidikan Vol 6 No 1 (2022): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33487/edumaspul.v6i1.3037

Abstract

Philosophy is a field of science that invites people to think deeply to seek the truth. One of the sciences that is often applied in our daily life is mathematics. The philosophy of humanistic psychology put forward by humanist philosophers includes views on human rights, views on human freedom and autonomy, self-concept, and individual self and self-actualization. Mathematics is the fruit of thoughts or ideas generated by humans. This paper is the result of a study. This paper discusses the development of the philosophy of humanism which is applied to mathematics learning.
Analisis Kemampuan Komunikasi Matematis Dan Kemampuan Pemecahan Masalah Murid Pada Materi Sistem Persamaan Linear Dua Variabel (SPLDV) Di Kelas VIII Purba, Christin Geovani; Sinaga, Samuel Juliardi; Naibaho, Tutiarny
Jurnal Ilmu Pendidikan dan Sosial Vol. 4 No. 4 (2026): Januari
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/jipsi.v4i4.1255

Abstract

Penelitian ini bertujuan untuk menganalisis kemampuan komunikasi matematis dan kemampuan pemecahan masalah murid pada materi Sistem Persamaan Linear Dua Variabel (SPLDV) di kelas VIII SMP Swasta HKBP Sidorame Tahun Ajaran 2025/2026. Latar belakang penelitian ini adalah rendahnya keterampilan murid dalam mengomunikasikan ide matematis serta menyelesaikan permasalahan yang berkaitan dengan kehidupan sehari-hari.Jenis penelitian ini adalah deskriptif kualitatif dengan subjek 14 murid kelas VIII. Instrumen yang digunakan terdiri atas tes uraian kemampuan komunikasi matematis, tes pemecahan masalah, dan wawancara. Data dianalisis melalui uji validitas, reliabilitas, tingkat kesukaran, dan daya pembeda, kemudian disajikan secara deskriptif berdasarkan indikator yang ditetapkan.Hasil penelitian menunjukkan bahwa kemampuan komunikasi matematis murid berada pada kategori sedang, dengan 14,29% murid pada kategori tinggi, 57,14% pada kategori sedang, dan 28,57% pada kategori rendah. Pada aspek pemecahan masalah, diperoleh 21,43% murid berada pada kategori tinggi, 64,29% pada kategori sedang, dan 14,28% pada kategori rendah. Murid relatif mampu menyatakan ide matematis dalam bentuk visual maupun tulisan serta menyusun rencana penyelesaian, namun masih kesulitan dalam menafsirkan ide dan memeriksa kembali hasil jawabannya. Kesimpulan dari penelitian ini bahwa kemampuan komunikasi matematis dan pemecahan masalah murid tergolong sedang sehingga diperlukan strategi pembelajaran yang lebih variatif untuk meningkatkan kedua kemampuan tersebut
The Effect Of The Problem Based Learning Model On Students' Mathematical Problem-Solving Abilities In Statistics Material In Grade VIII Pardosi, Esra Margaretha Br.; Manik, Efron; Naibaho, Tutiarny
Jurnal Pendidikan, Sains Sosial, dan Agama Vol. 6 No. 2 (2020): Jurnal pendidikan, sains sosial, dan agama
Publisher : STABN RADEN WIJAYA WONOGIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53565/pssa.v6i2.2599

Abstract

This study aims to determine the effect of the Problem Based Learning (PBL) learning model on students' mathematical problem-solving abilities in Statistics material for grade VIII. The method used is Quasi Experiment with a pretest-posttest control group design. The research sample consisted of two classes, namely the experimental class consisting of 31 students who were treated with the PBL model and the control class consisting of 28 students who were taught with the conventional model. The research instrument was a mathematical problem-solving test in the form of descriptions that had been tested for validity and reliability. The results showed that the N-Gain value in the experimental class was 0.73 (high category), while in the control class it was 0.32 (medium category). The average posttest score of students in the experimental class was also higher than that of the control class. Hypothesis testing using the t-test produced a t-value of 13.858 > t-table = 2.8 with sig. = 0.000 < 0.05, which means there is a significant influence of the PBL model on students' mathematical problem-solving abilities. Thus, the application of PBL can be used as an effective alternative in mathematics learning to improve students' problem-solving abilities.
Analysis Of Students' Mathematical Communication Ability And Problem-Solving Ability On The System Of Linear Equations With Two Variables (SPLDV) In Grade VIII Purba, Christin Geovani; Sinaga, Samuel Juliardi; Naibaho, Tutiarny
Jurnal Pendidikan, Sains Sosial, dan Agama Vol. 7 No. 2 (2021): Jurnal Pendidikan, Sains Sosial dan Agama
Publisher : STABN RADEN WIJAYA WONOGIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53565/pssa.v7i2.2731

Abstract

This study aims to analyze students’ mathematical communication skills and problem-solving abilities on the topic of Systems of Linear Equations in Two Variables (SPLDV) in Grade VIII of SMP Swasta HKBP Sidorame in the Academic Year 2025/2026. The background of this research is the low level of students’ skills in communicating mathematical ideas and in solving problems related to real-life situations.This research is a descriptive qualitative study with 14 eighth-grade students as the subjects. The instruments used consisted of an essay test on mathematical communication skills, a problem-solving test, and interviews. The data were analyzed through validity testing, reliability testing, difficulty level, and discriminating power, and then presented descriptively based on the established indicators.The results of the study indicate that students’ mathematical communication skills fall into the medium category, with 14.29% of students in the high category, 57.14% in the medium category, and 28.57% in the low category. In terms of problem-solving skills, 21.43% of students were in the high category, 64.29% in the medium category, and 14.28% in the low category. Students were relatively able to express mathematical ideas in both visual and written forms and to develop a solution plan, but they still experienced difficulties in interpreting ideas and reviewing their answers. The study concludes that students’ mathematical communication and problem-solving skills are in the medium category, thus more varied learning strategies are needed to improve these two abilities.
Pengaruh Pendekatan Deep Learning Terhadap Kemampuan Pemecahan Masalah Matematika di Kelas XI SMK sitanggang, suryani; Naibaho, Tutiarny; Panjaitan, Simon M.
Imajiner: Jurnal Matematika dan Pendidikan Matematika Vol 8, No 3 (2026): Imajiner: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/imajiner.v8i3.27508

Abstract

This study was motivated by the low level of mathematical problem-solving skills among students at the Jambi Medan Private Vocational High School, which is attributed to the use of conventional teaching methods that do not sufficiently encourage active engagement and deep understanding. The objective of this study is to determine the influence and magnitude of the impact of the Deep Learning approach on the mathematical problem-solving skills of 11th-grade students in matrix material. The research method used is a Quasi-Experiment with a Post-test Only Control Group Design. The research population includes all 11th-grade students, with a sample selected through Cluster Random Sampling consisting of class XI MPLB 2 as the experimental class and XI MPLB 1 as the control class. Data analysis results showed that the average post-test score of the experimental class (72.62) was higher than that of the control class (46.40). Based on the t-test, a significance value of 0.000 0.05 was obtained, indicating a significant effect. The Effect Size test using Cohen’s D yielded a value of 3.29, which falls under the “very large” criterion. Thus, the Deep Learning approach is effective in improving students’ mathematical problem-solving skills at the Jambi Medan Private Vocational High School.
Efektivitas Pemanfaatan GeoGebra Dengan Tipe STAD Terhadap Pemahaman Konsep Matematis Siswa Pada Materi Matriks di Kelas XI SMA Negeri 14 Medan T.A 2025/2026 Pangaribuan, Gustin Magdalena; Sihombing, Dame Ifa; Naibaho, Tutiarny
Imajiner: Jurnal Matematika dan Pendidikan Matematika Vol 8, No 3 (2026): Imajiner: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/imajiner.v8i3.27494

Abstract

This study aims to examine the effectiveness of using GeoGebra based on the Student Teams Achievement Divisions (STAD) model in improving students’ understanding of mathematical concepts in the matrix curriculum for XI-grade students at State SMA Negeri 14 Medan T.A 2025/2026. The method used was quantitative research with a quasi-experimental design. The study population consisted of 11th-grade students, with a sample of 69 students from classes XI 4 and XI 5 selected through purposive sampling. The instruments used included an essay test, a questionnaire, and an observation sheet. The research results indicate that all five indicators of effectiveness were met: (1) the instructional structure was in the “good” category, based on evaluations by two out of three observers, who assigned scores of 86 and 87, respectively; (2) teacher communication was good, with two observers assigning a score of 34; (3) student response was good, as evidenced by 57 out of 69 students falling within the “good” frequency range; (4) student activity was good, with 62 students in the good category according to three observers; (5) learning achievement was complete without remedial instruction, with 58 students (91.3%) scoring in the 66–85% range. Thus, the use of the STAD method with GeoGebra is effective in enhancing students’ understanding of mathematical concepts.
Co-Authors Afrilia Lumban Batu Agustina C B Sihite Agustina Cahaya Berlian Sihite Alianus Zalukhu Asima Rohana Situmorang Bajongga Silaban Bajongga Silaban, Bajongga Betesda Lumban Gaol Br. Tambun, Dinaria Bung Heri Parhusip Dame Ifa Sihombing Dame Ifa Sihombing Darma Indra Gultom Desrina Kristin Pasaribu Dewi Lestari Pardede Doni Berkat Tabah Hulu Elida Gries Simbolon Ellis Mardiana Panggabean Elvi S Siburian Emalia Dewi Gea Emmi Triani Tampubolon Firman Pangaribuan Ginting, Angella Br Gultom, Darma Indra Gultom, Sanggam P. Hanter Manik Hardi Tambunan Hardi Tambunan Hardi Tambunan Hardi Tambunan Hardi Tambunan Hardi Tambunan Harpen H.P. Silitonga Helmi Nofitawina Manik Herman Herman Hotsita Simbolon Hutagaol, Diana Kristina Hutauruk, Agusmanto Indah Theresia Pardosi Ineke Junita Lumbantobing Jernyta Futri Agustina Hutapea Jernyta Futri Agustina Hutapea Jonas Ramza Sitinjak Kammer Tuahman Sipayung Keristiani Buulele Lastri Wahyuni Manurung Lena Rosdiana Pangaribuan Lili Sowari Siregar Limbong, Anjelina Lince Yusnizar Lukman Pardede Lukman Pardede Lumbanraja, Devina Oktavia Malau, Vemmy Rebecca Rohana Manao, Maria Martha Manik, Efron Marco Van Basten Siagian Maria Marta Manao Maria Martha Manao Maria Olivia Christina Sianipar Maria Pratiwi Frisila Sibuea Martina Simbolon Marudut Pandapotan Turnip Monica Simanjuntak Monica Simanjuntak Nainggolan, Christina Fridawaty Nenni Triana Sinaga Nenni Triana Sinaga Nesti Surya Astuti Zebua nicomse nicomse Oslen Parulian Sijabat Oslen Parulian Sijabat Pakpahan, Yurni Kristina Pangaribuan, Gustin Magdalena Pangaribuan, Lena R. Panggabean, Marissa Nurianna Panjaitan, Ike Theresia Handayani Br Panjaitan, Simon M. Pardede, Dewi Lestari Pardosi, Esra Margaretha Br Pardosi, Esra Margaretha Br. Pasaribu, Ruth Ester Maria Prabawa, Ade Bagus Tegar Purba, Christin Geovani Putri Yenni Hutahaean Rafael Wantri Barus Raja, Rina Anggriani Lumban Rani Farida Sinaga Ratio Julianci Simarmata Renita Br Peranginangin Rince Rince Rince, Rince Rini Sri Susilawati Simbolon Rini Sri Susilawati Simbolon Rini Sri Susilawati Simbolon Robin Tarigan Ruth Mayasari Simanjuntak Ruth Mayasari Simanjuntak Ruth Mayasari Simanjuntak Ruth Mayasari Simanjuntak Ruth Mayasari Simanjuntak Samuel Juliardi Sinaga Samuel Juliardi Sinaga Samuel Juliardi Sinaga Santa Veronika Sitepu Sari Sitanggang Sauduran, Golda Novatrasio Siagian, Ruth Theofani Sianturi, Christina Agatha Sihite, Agustina C B sihombing, dame ifa Sihombing, Dame Ifa Sihombing, Heldon Silaban, Jerico Rinaldi Silalahi, Novelina Simanjorang, Fitri Sapanriah Simbolon, Lolyta Damora Simon M Panjaitan Simon M. Panjaitan sinaga, samuel juliardi Sinaga, Yolanda Siregar, Norviana Siringoringo, Putra Geli sitanggang, suryani Sitepu, Peranti Permainta Br Sitorus, Rosmida Situmorang, Adi Suarman Suryati Sitepu Suryati Sitepu Susanti Susi Sihombing Susi Sihombing Susi Sihombing Swita Ayu Simbolon Tambunan, Hardi Tasya H.D.M Siringoringo Tasya H.D.M Siringoringo Tasya H.D.M. Siringoringo Venny Herawati Simangunsong Venny Herawati Simangunsong Yunita Sinaga, Yunita