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All Journal Jurnal Pendidikan Matematika Undiksha SIGMA: Jurnal Pendidikan Matematika Edumatsains Jurnal Pendidikan Matematika Raflesia ABDIMAS SILIWANGI Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education JURNAL MATHEMATIC PAEDAGOGIC Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Pendidikan dan Konseling MES: Journal of Mathematics Education and Science JPMI (Jurnal Pembelajaran Matematika Inovatif) JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Jurnal Suluh Pendidikan Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Abdidas JURNAL PENDIDIKAN SAINS SOSIAL DAN AGAMA JURNAL RECTUM: Tinjauan Yuridis Penanganan Tindak Pidana Mattawang: Jurnal Pengabdian Masyarakat INTELEKTIVA Indo-MathEdu Intellectuals Journal Jurnal Pendidikan Sains dan Komputer Journal Of Human And Education (JAHE) Jurnal Ilmu Pendidikan dan Sosial EDUCTUM: Journal Research PIJAR: Jurnal Pendidikan dan Pengajaran Innovative: Journal Of Social Science Research Jurnal Teknik Mesin UDA JNPM (Jurnal Nasional Pendidikan Matematika) Emergent: Journal of Educational Discoveries and Lifelong Learning (EJEDL) Jurnal Pengabdian Bukit Pengharapan Jurnal Pengabdian Masyarakat dan Riset Pendidikan Pande Nami Jurnal (PNJ) Jurnal Ilmu Sosial dan Humaniora International Journal of Education, Vocational and Social Science Mathema: Jurnal Pendidikan Matematika
Lois Oinike Tambunan
Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan Universitas HKBP Nommensen Pematang Siantar, Pematang Siantar, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Other

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Pendampingan Mahasiswa dalam Pengembangan Media Pembelajaran Berbasis ICT Terintegrasi Kearifan Lokal: Pengabdian Janwar Tambunan; Lois Oinike Tambunan; Leonita Maria Efipanias Manihuruk; Tarida Alvina Simanjuntak; Yanty Maria Marbun; Marlina Agkris Tambunan
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 4 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 4 April - Juni
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i4.6148

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kompetensi mahasiswa secara umum sebagai calon pendidik dalam mengembangkan media pembelajaran berbasis ICT yang terintegrasi dengan kearifan lokal. Target kegiatan mencakup empat aspek utama. Pertama, mengidentifikasi konsep-konsep esensial dalam pembelajaran yang dapat disajikan secara lebih efektif melalui media berbasis ICT, dengan indikator minimal 50% materi dapat diimplementasikan. Kedua, terbentuknya kelompok belajar mahasiswa yang memiliki kemampuan dalam pemanfaatan ICT, dengan target sekurang-kurangnya 75% peserta memiliki pemahaman yang baik dalam mengintegrasikan teknologi ke dalam proses pembelajaran. Ketiga, dihasilkannya produk media pembelajaran yang inovatif, eksploratif, dan kontekstual berbasis kearifan lokal, dengan capaian minimal 80% mahasiswa mampu menguasai dan mengaplikasikan media tersebut. Keempat, terbukanya peluang pengembangan jiwa kewirausahaan melalui produksi media pembelajaran berbasis ICT yang bernilai ekonomis. Pelaksanaan kegiatan dilakukan melalui metode pendampingan, pelatihan, dan praktik langsung dalam pengembangan media pembelajaran berbasis ICT yang terintegrasi dengan budaya lokal. Pendekatan ini diharapkan mampu meningkatkan kemampuan mahasiswa dalam merancang pembelajaran yang inovatif, adaptif, dan kontekstual, serta membentuk calon pendidik yang peka terhadap perkembangan teknologi dan nilai-nilai kearifan lokal dalam proses pembelajaran.
Pengaruh Model Pembelajaran Discovery Learning Berbantuan Geogebra Terhadap Hasil Belajar Matematika Pada Materi Persamaan Garis Lurus Hevi Cricencia Angelina Pasaribu; Firman Pangaribuan; Lois Oinike Tambunan
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.v4i1.1260

Abstract

Penelitian ini bertujuan mengetahui pengaruh model Discovery Learning berbantuan GeoGebra terhadap hasil belajar matematika siswa pada materi persamaan garis lurus. Metode penelitian menggunakan desain pre-eksperimental tipe one-shot case study dengan subjek 30 siswa kelas VIII-6 SMP Negeri 1 Siantar. Instrumen penelitian berupa tes pilihan ganda dan angket persepsi siswa. Hasil penelitian menunjukkan nilai rata-rata hasil belajar siswa 87,93 lebih tinggi dari KKM (80). Uji t menunjukkan sig. = 0,000 < 0,05, sedangkan uji regresi menghasilkan R² = 0,795 dengan sig. = 0,000. Hal ini membuktikan bahwa penerapan Discovery Learning berbantuan Geogebra berpengaruh positif dan signifikan terhadap hasil belajar siswa
The Effect Of The TPS (Think Pair Share) Learning Model Used By The Geogebra Application On The Ability Of Understanding Mathematical Concepts Of Grade X Arianto Munthe; Lois Oinike Tambunan; Christa Voni Roulina Sinaga
PIJAR: Jurnal Pendidikan dan Pengajaran Vol. 3 No. 2 (2025): April
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/pijar.v3i2.1294

Abstract

This study aims to determine the effect of the TPS (Think Pair Share) learning model assisted by the Geogebra application on the mathematical concept understanding ability of class X students of SMK Negeri 1 Siantar. The sampling technique used in this study is Probability Sampling. In this study, the type of experimental research used is Probability Sampling with a type of research design, namely One Shot Case Sturdy. In this type of design, the researcher will use a class unit where the researcher will provide a solution (treatment) to students for several periods. Based on the results of data analysis and discussion, it can be concluded that there is a positive and significant influence of the TPS (Think Pair Share) learning model assisted by the Geogebra application on the ability to understand mathematical concepts of class X students of SMK Negeri 1 Siantar. This influence can be seen from the regression equation Y = 63,570 + 1.271 with a regression coefficient of 1.271. Through the t-test, it can be seen that t_count>t_table = (11,361>6,742) indicates that significance and by using the coefficient of determination can be seen the magnitude of the influence is 82.2%.
PENGARUH MODEL PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VIII SMP SWASTA TELADAN PEMATANGSIANTAR Serlina Oktavia Boru Silaban; Lois Oinike Tambunan; Christa Voni Raulina Sinaga
Pande Nami Jurnal (PNJ) Vol. 3 No. 4 (2025): PNJ: Vol. 3 - No. 4 - OKTOBER 2025
Publisher : PT. Migas Central Sijabat

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tujuan penelitian ini adalah untuk mengetahui Pengaruh Model Contextual Teaching and Learning Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Kelas VIII SMP Swasta Teladan Pematangsiantar. Jenis penelitian yang diguakan adalah penelitian Pre-experimental Desain. Subjek penelitian pada kelas VIII-A dengan jumlah 29 siswa. Dalam penelitian ini, penulis menggunakan pendekatan kuantitatif. Desain yang digunakan penelitian yaitu One-Shot Case Study. Berdasarkan hasil analisis data dan pembahasan dapat disimpulkan bahwa terdapat pengaruh signifikan penggunaan Model Pembelajaran Contextual Teaching and Learning Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Kelas VIII SMP Swasta Teladan Pematangsiantar Tahun Ajaran 2025/2026. Pengaruh positif ditunjukkan melalui persamaan regresi yaitu Y = -25,311 + 0,805 dimana nilai b = 0,805. Pengaruh tersebut ditunjukkan melalui uji-t dengan > (11,817 > 2,051) atau (Sig.) < 0,05 (0,00 < 0,05) maka ditolak dan diterima yang artinya terdapat pengaruh yang positif dan signifikan dari Model Pembelajaran Contextual Teaching and Learning terhadap kemampuan pemecahan masalah matematika siswa pada materi sistem persamaan linear dua variabel. Sumbangan varians variabel X (Model Pembelajaran Contextual Teaching and Learning) terhadap variabel Y (Kemampuan Pemecahan Masalah Matematika Siswa) sebesar 83,8%.
The Effect Of Mathematics Learning Approaches Realistic About Thinking Abilities Student Critical Response San Febriyanti Simanjutakk; Lois Oinike Tambunan; Yanty Maria R. Marbun
Jurnal Pendidikan, Sains Sosial, dan Agama Vol. 10 No. 1 (2024): 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.v10i1.2360

Abstract

SimanjutaThis study aims to determine the influence of the realistic mathematics learning approach on students' critical thinking skills at Taman Madya (Sma) Tamansiswa Pematangsiantar. This study uses a quantitative approach with an experimental research type. Experimental research is a way to find a causal relationship between two factors that are intentionally created by the researcher by eliminating or reducing or setting aside the factors of the approach. This research design is a form of illustration to facilitate the steps of problem solving or hypothesis testing. Judging from the objectives and hypotheses proposed, the form of research design used in this study is Quasi Experiment Post-test Only Based on the results of data analysis and discussion, it can be concluded that there is a positive and significant influence of the Realistic Mathematics Learning Approach on critical thinking skills in Taman Madya (SMA) Tamansiswa Pematangsiantar. This influence can be seen from the regression equation = Y^^=-1.434+0.765X with a regression coefficient of 0.765 and a large determination coefficient of 94.8% which indicates that there is a positive relationship between the TTW type Cooperative learning model and problem-solving abilities
The Effect Of Contextual Teaching And Learning Model On Students' Mathematical Critical Thinking Skills Fortina Julianta Sitanggang; Lois Oinike Tambunan; Christa Voni Roulina Sinaga
Jurnal Ilmu Sosial dan Humaniora Vol. 3 No. 4 (2025): Oktober
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/isihumor.v3i4.1232

Abstract

This study aims to determine the effect of the Contextual Teaching and Learning learning model on students' mathematical critical thinking skills at Cinta Rakyat 3 Private Junior High School, Pematangsiantar. This study uses a quantitative approach. The method used by the researcher is an experimental method. This research method was chosen to see how much influence the Contextual Teaching and Learning learning mode has on students' mathematical critical thinking skills on the material of curved cylinder side solids at Cinta Rakyat 3 Private Junior High School, Pematangsiantar. Based on the results of data analysis and discussion, it can be concluded that there is a positive and significant influence of the use of the Contextual Teaching and Learning learning mode on students' mathematical critical thinking skills on the material of curved cylinder side solids, grade IX of Cinta Rakyat 3 Private Junior High School, Pematangsiantar. This influence is shown through the regression equation Y = 22.457 + 0.743X with b = 0.743. By using the t-test, namely t_calculated > t_table = (10,364 > 3,583) it shows that the significance and by using the coefficient of determination it can be seen that the influence is 79.3%.
The Think Pair Share Learning Model For Developing Critical Thinking Skills In Mathematics Among Eighth Grade Students Martha Hart Damanik; Lois Oinike Tambunan; Chirsta Voni Rouina Sinaga
Jurnal Ilmu Sosial dan Humaniora Vol. 3 No. 4 (2025): Oktober
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/isihumor.v3i4.1233

Abstract

This study aims to determine the effect of the think pair share learning model on the mathematical critical thinking skills of class VIII at UPTD SMP Negeri 7 Pematangsiantar. The sample in this study was class VIII-4, totaling 30 students. The research data was obtained from questionnaires and tests. The questionnaire serves to determine whether students have implemented the think pair share learning model. The test serves to determine students' mathematical critical thinking skills on the material of the system of linear equations in two variables (SPLDV). The test consisted of 5 questions and a questionnaire of 30 items, after going through validity and reliability tests, was declared valid and reliable. The design used in this study was a one-shot case study. The data analysis technique used prerequisite tests, namely the normality test and the linearity test. To test whether the think pair share learning model affects mathematical critical thinking skills, a simple linear regression test was used. Based on the research data, the regression equation Y = 29.354 + 0.828X was obtained. The significance test of the influence was obtained and tcount > ttable (9.642 > 2.048) or p (sig.) < 0.05 (0.000 < 0.05) so that there is a significant influence between the think pair share learning model on the mathematical critical thinking ability of class VIII students at UPTD SMP Negeri 7 Pematangsiantar in the 2025/2026 academic year. The variance contribution of variable X (think pair share learning model) to variable Y (mathematical critical thinking ability) is 76.9%.
The Effect Of The Thinking Aloud Pair Problem Solving (TAPPS) Method of Ability Mathematical Communication Anemsinta Naibaho; Christa Voni Roulina Sinaga; Lois Oinike Tambunan
Jurnal Ilmu Sosial dan Humaniora Vol. 4 No. 1 (2026): Januari
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/isihumor.v4i1.1398

Abstract

This study aims to determine the Effect of Thinking Aloud Pair Problem Solving (Tapps) Method on Mathematical Communication Skills of Students of HKBP Private Vocational School Pematangsiantar. The type of research used by the researcher is experimental research. Experimental research is a research to determine whether there is an effect of something imposed on the subject of investigation. This research will be conducted using a single case study design (one-shot case study), where one group of experimental classes becomes the research subject. In the experimental group, a treatment is applied in the form of the application of the Thinking Aloud Pair Problem Solving (TAPPS) Learning Method which is considered successful. After the treatment, a post-test evaluation is carried out and from the results of the measurement, conclusions will be drawn. Based on the results of data analysis and discussion, it can be concluded that there is a significant influence of the Thinking Aloud Pair Problem Solving (TAPPS) Method on students' mathematical communication skills in Statistics material at HKBP Private Vocational School Pematangsiantar. This influence can be seen from the regression equation = -56.532 + 1.088 with a regression coefficient of 1.088 and a determination coefficient of 91% which shows that there is a very strong relationship between the Thinking Aloud Pair Problem Solving (TAPPS) Method and students' mathematical communication skills
Inovasi Busana Etnik Nuansa Nusantara: Kreativitas Siswa Tata Busana SMK Negeri 1 Siantar dalam Pengembangan Produk Sustainable Fashion Thesa Laora Miranda Siahaan; Irna Denanda Br Pasaribu; Dwi Cici Kirana; Devi Ratna Siahaan; Puja Anjani Purba; Tanty Novelia Tarigan; Imeliana Saragih; Lois Oinike Tambunan
Emergent: Journal of Educational Discoveries and Lifelong Learning (EJEDL) Vol. 7 No. 2 (2025): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/emergent.v7i2.82

Abstract

Industri mode global tengah bertransisi menuju praktik yang lebih bertanggung jawab terhadap lingkungan guna mengatasi dampak negatif fast fashion. Penelitian ini bertujuan mendeskripsikan inovasi desain busana etnik Nusantara yang dihasilkan oleh siswa SMK Negeri 1 Siantar serta menganalisis manifestasi kreativitas mereka dalam mengimplementasikan prinsip sustainable fashion. Menggunakan metode kualitatif-eksploratif, data dikumpulkan melalui dokumentasi karya pada acara fashion show sekolah, observasi proses produksi, dan analisis dokumen visual. Temuan menunjukkan bahwa siswa mampu mengintegrasikan Wastra Nusantara dengan teknik zero waste pattern dan upcycling. Kreativitas siswa terwujud melalui rekayasa pola yang meminimalkan limbah serta kemampuan dekonstruksi material tradisional menjadi busana kontemporer yang layak tampil di atas panggung. Hasil ini menegaskan peran strategis pendidikan vokasi dalam mencetak desainer muda yang berorientasi pada pelestarian budaya dan keberlanjutan lingkungan.
Co-Authors Adi Putra Ginting Amin Fauzi, Amin Ana Tasya Grace Adelina Sidabutar Anemsinta Naibaho Arianto Munthe Br Regar, Indryanti Saputri Br Ujung, Elisabet Pebrina Buana Maria Gultom Butar-butar, Afriani Canni Loren Sianturi Chirsta Voni Rouina Sinaga Christa Voni Roulina Sinaga Christa Voni Sinaga Damanik, Martha Hart Damanik, Putri Sepriyanti Debora Caronika Agustria Rajagukguk Devi Fierda Situmorang Devi Ratna Siahaan Dwi Cici Kirana Dwi Pratiwi Elisa, Tuti Elvis Napitupulu Eunike Juliani Lestari Sitanggang Firman Pangaribuan Firman Pangaribuan Fortina Julianta Sitanggang Gayus Simarmata, Gayus Golda Novatrasio Sauduran Gultom, Ardo Novandika Gultom, Binsar Tison Gunaria Siagian Handoco, Ewin Harianja, Derma Helen Ronauli Simanjuntak Helen, Helen Hendra Simanjuntak Hevi Cricencia Angelina Pasaribu Hotman Simbolon Imeliana Saragih Irna Denanda Br Pasaribu Izwita Dewi Janwar Tambunan Julius Martunas Sihite Lasker Pangarapan Sinaga Leonita Maria Efipanias Manihuruk Lestary, Ayunda Lumban Toruan, Marlina Olivia Malau, Octo Laura manik, ria retno Marbun, Yanty Maria Maria Tamara Simangunsong Martha Hart Damanik Martua Reynhat Sitanggang Gusar Masni Veronika Situmorang Munthe, Arianto Naibaho, Anemsinta Natalina Purba Nerli Khairani Pasaribu, Hevi Cricencia Angelina Pasaribu, Sunggul Pasaribu, Torop Marombun Puja Anjani Purba Purba, Jesica Triani Purba, Yoel Octobe Qarin Khoirani Ramadani Ramadani Rebecca Anugrah Paskah Tambunan Retno, Ria Reydy A. Silalahi Rezesa Febiola Simanjuntak Rick Hunter Simanungkalit, Rick Hunter Sahat Saragih Sahat Sitompul San Febriyanti Simanjutakk Sauduran, Golda Novatrasio Serlina Oktavia Boru Silaban Siahaan, Theresia Monika Siallagan, Adi Yoshua Siallagan, Frengky Sianturi, Monalisa Frince Sidabutar, Ropinus Sihombing, Intana Kessya Sihombing, Levi Pandapotan Silalahi, Mastiur Verawaty Simajuntak, Merry Kristin Simamora, Rianita Simanjuntak, Paska Amoi Sinaga, Chirsta Voni Rouina Sinaga, Sanni Sirait, Debora Sitanggang, Fortina Julianta Sitompul, Pardomuan Siva Anastasia Munthe Tambunan, Marlina Agkris Tanjung, Sahima Rosana Tanty Novelia Tarigan Tarida Alvina Simanjuntak Thesa Laora Miranda Siahaan Tiur Yohana Tampubolon Valentina Marbun Vicky Ana Rebecca Sitompul Yan Verico Manik Yanty Maria R. Marbun Yanty Maria Rosmauli Marbun Yoel Octobe Purba Yoel Octobe Purba Yoel Octobe Purba YOEL OCTOBE PURBA Yuly Christina Hutasoit Zul Amry