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All Journal Jurnal Penelitian dan Pengembangan Pendidikan Journal of Mathematics Education and Application (JMEA) Hijri AKSIOMA ZERO : Jurnal Sains, Matematika dan Terapan Syntax Literate: Jurnal Ilmiah Indonesia Hasil Pengabdian Kepada Masyarakat Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Jurnal Pendidikan Matematika Raflesia JURNAL PENELITIAN PENDIDIKAN MIPA JURNAL TARBIYAH Malikussaleh Journal of Mathematics Learning (MJML) Alignment: Journal of Administration and Educational Management Zero : Jurnal Sains, Matematika, dan Terapan JURNAL PENDIDIKAN TAMBUSAI Jurnal Cendekia : Jurnal Pendidikan Matematika Prima: Jurnal Pendidikan Matematika MAJU : Jurnal Ilmiah Pendidikan Matematika M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Attaqwa: Jurnal Ilmu Pendidikan Islam MES: Journal of Mathematics Education and Science Best Journal (Biology Education, Sains and Technology) Indonesian Journal of Education and Mathematical Science Journal of Applied Engineering and Technological Science (JAETS) PHI: Jurnal Pendidikan Matematika Jurnal Sintaksis : Pendidikan Guru Sekolah Dasar, IPA, IPS dan Bahasa Inggris SEPREN: Journal of Mathematics Education and Applied Community Development Journal: Jurnal Pengabdian Masyarakat Ihsan: Jurnal Pengabdian Masyarakat Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Jurnal Penelitian, Pendidikan dan Pengajaran: JPPP Journal of Education and Teaching Learning Journal Mathematics Education Sigma [JMES] Mosharafa: Jurnal Pendidikan Matematika Jurnal Manajemen Pendidikan Dasar, Menengah dan Tinggi [JMP-DMT] Syntax: Journal of Software Engineering, Computer Science and Information Technology Djtechno: Jurnal Teknologi Informasi Tsaqila Jurnal Pendidikan dan Teknologi Jurnal MathEducation Nusantara Innovative: Journal Of Social Science Research Jurnal Penelitian Pendidikan MIPA Kohesi: Jurnal Sains dan Teknologi Attaqwa:Jurnal Ilmu Pendidikan Islam Aksaqila International Humanities and Social Sciences [AIHSS] Journal Hanif Journal of Information Systems Journal of Technology and Computer (JOTECHCOM) JUDIS : Jurnal Multidisiplin dan Sains
Irvan, Irvan
Universitas Muhamamdiyah Sumatera Utara
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Effectiveness of the Contextual Teaching and Learning (CTL) Model Assisted by GeoGebra on Vocational High School Students’ Mathematical Critical Thinking Skills Slamet Slamet; Tua Halomoan Harahap; Irvan Irvan
JMEA : Journal of Mathematics Education and Application Vol 5, No 1 (2026): Februari
Publisher : JMEA : Journal of Mathematics Education and Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jmea.v5i1.31039

Abstract

This study aimed to analyze the effectiveness of the Contextual Teaching and Learning (CTL) model assisted by GeoGebra in improving vocational high school students’ mathematical critical thinking skills. The study was motivated by the low level of students’ mathematical critical thinking skills caused by teacher-centered learning practices and the limited use of interactive learning media in mathematics instruction. This research employed a quantitative approach using a quasi-experimental method with a pretest-posttest control group design. The sample consisted of 60 eleventh-grade vocational high school students divided into an experimental class and a control class through purposive sampling techniques. The research instrument was an essay-based mathematical critical thinking test that had met validity and reliability requirements. Data were analyzed using descriptive and inferential statistics, including normality tests, homogeneity tests, independent sample t-tests, and N-Gain analysis with the assistance of IBM SPSS Statistics version 26. The results showed that the posttest mean score of the experimental class was higher than that of the control class. Furthermore, the t-test analysis revealed a significance value of 0.000 0.05, indicating a significant effect of the CTL model assisted by GeoGebra on students’ mathematical critical thinking skills. The N-Gain score of the experimental class was also categorized as high. Therefore, the CTL model assisted by GeoGebra was proven effective in improving vocational high school students’ mathematical critical thinking skills. This study contributes to the development of technology-based and contextual mathematics learning to support 21st-century education.
Development of GeoGebra-Based Interactive Learning Media on Gradient Material for Junior High School Students Ibrahim Ibrahim; Marah Doly Nasution; Tua Halomoan Harahap; Irvan Irvan
JMEA : Journal of Mathematics Education and Application Vol 5, No 1 (2026): Februari
Publisher : JMEA : Journal of Mathematics Education and Application

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jmea.v5i1.31040

Abstract

This study aimed to develop GeoGebra-assisted interactive learning media on the topic of gradients for junior high school students that are valid and practical for use in mathematics learning. This research employed the Research and Development (RD) method using the 4D model, which consists of the define, design, develop, and disseminate stages. The trial subjects consisted of 15 eighth-grade students of SMP Negeri 1 Tanjung Pura. The research instruments included media expert validation sheets, material expert validation sheets, and student response questionnaires. The results showed that the developed media met the validity criteria based on the media expert validation results with an average score of 3.61 and the material expert validation score of 3.66. In addition, the media received positive responses from students with an average score of 3.63, indicating that it was practical for use in learning activities. The GeoGebra-assisted interactive learning media was able to help students understand the concept of gradients visually and interactively. Therefore, the developed media is feasible to be used as an alternative mathematics learning medium in junior high schools.
Statistics Learning Media Innovation B-Tube (Combination Blog and YouTube) Irvan Irvan; Alfauzan Ramadhanny Simangunsong; Marah Doly Nasution
Mosharafa: Jurnal Pendidikan Matematika Vol. 13 No. 4 (2024): October
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v13i4.1748

Abstract

Abstrak Tujuan penelitian ini untuk mengembangkan media pembelajaran digital dengan mengombinasikan web-blog dan YouTube. Penelitian ini menggunakan metode Research and Development (R&D) Level 1 oleh Sugiyono. Subjek dari penelitian ini 30 siswa kelas VIII SMP IT Mutiara tahun ajaran 2023/2024. Jenis data penelitian ini kuantitatif dan dianalisis menggunakan analisis deskriptif dan analisis statistik. Instrumen penelitian berupa lembar validasi ahli media, materi, dan bahasa, angket respon pengguna guru dan siswa, serta tes hasil belajar. Hasil penelitian menunjukkan bahwa produk Kombinasi Blog dan YouTube (B-Tube) valid digunakan, praktis dan efektif meningkatkan hasil belajar matematika. Berdasarkan analisa hasil uji produk menunjukan skor ahli media 4.78 (sangat valid), ahli materi 4.50 (valid), ahli 4.67 (sangat valid). Respon pengguna guru dan siswa menunjukkan persentase kepraktisan sebesar 100% dengan kategori sangat praktis. Uji efektifitas  menggunakan N-Gain menunjukkan hasil N-Gain Skor sebesar 0.73 atau N-Gain (%) sebesar 73 dengan kriteria tinggi berdasarkan kriteria N-Gain menurut Melzer. Penelitian ini menunjukkan hasil bahwa media B-Tube dalam pembelajaran statistika valid digunakan, praktis dan efektif dalam meningkatkan hasil belajar matematika. Abstract The purpose of this research is to develop digital learning media by integrating web blogs and YouTube. The study follows the Research and Development (R&D) Level 1 method by Sugiyono. The subjects are 30 eighth-grade students at SMP IT Mutiara during the 2023/2024 academic year. The research data is quantitative and analyzed using descriptive and statistical methods. The instruments used include validation sheets for media, material, and language experts, as well as questionnaires for teacher and student user responses, and learning outcome tests. The results indicate that the combination of Blog and YouTube (B-Tube) is valid, practical, and effective in enhancing mathematics learning outcomes. Based on the product test analysis, the media experts rated it 4.78 (very valid), the material experts 4.50 (valid), and the language experts 4.67 (very valid). The response from teachers and students indicated a 100% practicality rate, categorizing it as very practical. The effectiveness test, using N-Gain, showed an N-Gain score of 0.73 or N-Gain (%) of 73, which falls under the high criteria based on Melzer's N-Gain criterion. This study shows the results that B-Tube media in statistics learning is valid, practical and effective in improving mathematics learning outcomes.
Co-Authors Ade Ruqayah Lubis Afrianto, Rikky Agus Syafrizal Ahmad Muarif Boangmanalu Akbar, Rahmat Akhir Andika Aritonang Akrim, Akrim Al Khowarizmi Amini Amini Amini Anak Agung Gede Sugianthara Anin Saraswati Azhari Annisa Annisa Annisa Nur Hasanah Aprilia Simatupang Aqilah Tahara Ardiningtyas, Mesayu Arni Apriani Astri Novia Siregar Atika Erlina Nasution Atikah Adzra Dalimunthe Aulia, Arief Azis, Zainal Bonyah, Ebenezer Chairul Fatharani Dalimunthe, Yulia Agustina Dani Zonries Siahaan Dedy Irwan Dewi, Suri Kartika Diah Ayu Pertiwi Dini Izdahara Doly Nasution, Marah Dongoran, Faisal Rahman Ebenezer Bonyah Edi Suherman Edi Syahputra Edi Syahputra Edi Syahputra Edrian Hardinata Edy Rahman Syahputra, Edy Rahman Elfrianto ., Elfrianto Elisabet Simamora Ellis Mardiana Pangabean Ellis Mardiana Panggabean Epi Nurlinda Erwin Erwin Erwin Erwin Eva Natalina Siburian Fachrul Rozi Lubis Fadwa Syahida Farah Dhiba Myrani Habibi Ramdani Safitri Hafiza Yusni Halim Maulana Hartati, Triayuni Hasanuddin Hasanuddin Hasibuan, Havidah Adawiyah Hendrik Hotniati Silitonga Hutapea, Rotua Sriyanti Ibrahim Ibrahim Ida Karnasih Ilham Khairi Siregar Imelda Ani Yolanda Marbun Indah Rahmasari Irvan Irvan Ismail Hanif Batubara Isra Retno Sari Johannes Gultom Kama Robbayani Kamaruddin Kamaruddin Khoirunnisa Khoirunnisa Kurnia Putri Leo Hermawan Lestarina Matondang Lilik Subagio Lubis, Arif Ridho Lubis, Husni Lutfi Basit M.Pd, Akrim Maradoly Marah Dolly Nasution Marah Dolly Nasution Marah Doly Nasution Marah doly Nst Maria Magdalena Maslaha Maslaha Maslaha Maslaha Mintahul Rizka Nasution Muhammad Fikri Muhammad Firman Annur Muharman Lubis Muliawan Firdaus Mushlihuddin, Rahmat Natalina Panggabean Nirmawati Nirmawati Nur Alfiani Hafidzah Nurhasanah Nurhasanah Nuri Irmayani Nurjamiyah, Nurjamiyah Nusantara, Badai Charamsar Putri Kumala Putri, Linda Syah Putri, Sefni Rahma Putri, Sefni Rama Rahmad Wahyudi Rahmat Mushlihuddin Rahmat Mushlihuddin Rahmat Muslihuddin Ramadhan, M. Fajri Ramadhana, Muhammad Wira Rambe, Siti Fatimah Rapani Rapani Ridwan Ramadhan Riefni Diana Lubis Rina Ardillah Lubis Rini Mulyasari Rini Triana Rizki Kurniawan Rangkuti Romaida Nababan Romantica, Krishna Prafidya Romantica, Krishna Prafidya Saira Tassa Salsya Fadliyah Siregar Saputra Saputra Sarman Hadi, Nanang Septiana Dewi Andriana, Septiana Dewi Simangunsong, Alfauzan Ramadhanny Sinuraya, M. Fahriza Sinuraya, M.Fahriza Siswadi, Siswadi Sitanggang, Ekosusilo Siti Aminah Manurung Siti Rahma Dhani Siti Suprihatiningsih Slamet Slamet Sri Eka Rindana Sri Nurabdiah Pratiwi Subaini Subaini Sundung Gurning Surya Najma Surya Wisada Dachi Syafrizal Siregar Syafrizal, Agus Syaipul Rizki Simanullang Tua Halomoan Harahap Tua Halomoan Harahap, Tua Halomoan Waskito Waskito Wirda Loka Yana Tasya Damanik Zahedi, Zahedi Zainal Azis Zenfiqa Aditya Ramadhani Br Sitepu Zulfi Amri