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All Journal JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal KARISMATIKA Al Ishlah Jurnal Pendidikan Union: Jurnal Ilmiah Pendidikan Matematika Wacana Akademika : Majalah Ilmiah Kependidikan Pendas : Jurnah Ilmiah Pendidikan Dasar JTAM (Jurnal Teori dan Aplikasi Matematika) JURNAL PENDIDIKAN TAMBUSAI Jurnal Cendekia : Jurnal Pendidikan Matematika JURNAL MathEdu (Mathematic Education Journal) JPM : Jurnal Pendidikan Matematika EDUKATIF : JURNAL ILMU PENDIDIKAN Imajiner: Jurnal Matematika dan Pendidikan Matematika J-PiMat : Jurnal Pendidikan Matematika Jurnal Riset Pembelajaran Matematika Sekolah Mosharafa: Jurnal Pendidikan Matematika Jurnal Riset dan Inovasi Pembelajaran JagoMIPA: Jurnal Pendidikan Matematika dan IPA EDUTECH : Jurnal Inovasi Pendidikan Berbantuan Teknologi SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Kognitif: Jurnal Riset HOTS Pendidikan Matematika Journal of Education Research Ruang Cendekia : Jurnal Pengabdian Kepada Masyarakat Pedagogy : Jurnal Pendidikan Matematika Jurnal Didactical Mathematics International Journal of Educational Research Excellence (IJERE) Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Pendidikan Matematika Papanda Journal of Mathematics and Sciences Research Journal of Mathematical Pedagogy (JOMP) EDUCATIONAL: Jurnal Inovasi Pendidikan dan Pengajaran J-CEKI Jurnal Pendidikan Matematika Universitas Lampung
Budi Halomoan Siregar
Universitas Negeri Medan
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Peningkatan Kemampuan Literasi Matematika Siswa dengan Penerapan Realistic Mathematics Education Ditinjau dari Adversity Quotient Gultom, Shafna Armiyah; Siregar, Budi Halomoan
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v6i1.733

Abstract

This study aims to determine the improvement of students' mathematical literacy skills through the application of the Realistic Mathematics Education (RME) approach compared to Teacher Centered Learning (TCL), and to analyze the interaction between the learning approaches and students' Adversity Quotient (AQ) levels. The method used was a quasi-experiment with subjects of grade VIII students at SMP IT Nurul Fadhilah Percut Sei Tuan. The research instruments included an Adversity Response Profile (ARP) questionnaire and a mathematical literacy test. The results showed an increase in mathematical literacy skills in students who learned using the RME approach, with an N-gain of 0.589 higher than the class using TCL. This study also found an interaction between the learning approach and AQ levels on students' mathematical literacy skills. Students in the climbers category showed better resilience and ability in solving mathematical problems than students categorized as campers or quitters. This finding confirms that the application of contextual learning such as RME with strengthening non-cognitive aspects such as AQ, has an important role in improving students' mathematical literacy.
PENERAPAN PROJECT BASED LEARNING DALAM MEMBANGUN PEMAHAMAN KONSEP BELAJAR SISWA PADA MATERI BANGUN RUANG KUBUS DAN BALOK Siregar, Budi Halomoan; Panjaitan, Chesia Aprina; Anggelina, Maya; Sihombing, Kesia; Simanullang, Asria Ronauli
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01, Maret 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.40628

Abstract

Students’ understanding of cube and cuboid concepts has not yet been optimally achieved, as the learning process tends to be teacher-centered and does not sufficiently involve students actively. This condition indicates the need for a learning model that not only actively engages students but also provides meaningful learning experiences. This study was conducted to examine the implementation of the Project-Based Learning (PjBL) model in supporting the conceptual understanding of Grade VIII students at SMP Negeri 34 Medan on the topic of cubes and cuboids. The research employed a qualitative descriptive approach, with the research subjects consisting of 26 Grade VIII students and one mathematics teacher. Data collection techniques included observation, interviews, documentation, and analysis of lesson plan (RPP) documents. Data analysis was carried out qualitatively through the stages of data reduction, data presentation, and conclusion drawing. Based on the research findings, the implementation of the Project-Based Learning (PjBL) model was proven to help students improve their conceptual understanding. This was indicated by students’ ability to explain concepts in their own words, relate concepts to real-life situations, and correctly apply surface area and volume concepts. Therefore, Project-Based Learning can be considered an alternative mathematics learning model that is active, contextual, and student-centered.
IMPLEMENTASI DISCOVERY LEARNING BERBASIS GEOGEBRA UNTUK MENINGKATKAN PEMAHAMAN KONSEP FUNGSI SISWA SMA Siregar , Budi Halomoan; Munthe, Atiqah Shabirah; Najwa Dwi Heryanti; Br Sembiring , Ega Emeysadella; Br Tarigan , Alya Andani Rahman
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.40705

Abstract

This study aims to describe the learning conditions of functions and analyze the effectiveness of GeoGebra-assisted Discovery Learning in improving high school students' conceptual understanding. The study used a descriptive qualitative method, with data collection techniques including classroom observations, interviews with mathematics teachers, and documentation of 32 eleventh grade students. The results indicate that the use of GeoGebra increased student engagement through dynamic and interactive graphic visualizations, helping students explore the relationship between function equations and graph changes more clearly. Students appeared more active in discussions, were able to articulate conceptual reasoning, and demonstrated improvements in interpreting graphical and algebraic representations. The stages of Discovery Learning and the teacher's role as a facilitator also contributed significantly to the effectiveness of the learning. Overall, the integration of GeoGebra has been shown to support deeper conceptual understanding and has positive implications for the development of technology based mathematics learning.
Analisis Kebutuhan Penerapan RME pada Pembelajaran materi matriks di kelas XI Waruwu, Maria Lilis Sartika; Siregar, Budi Halomoan; Sinaga, Rosmelia Elsada; Siagian, Kristiani; Putri, Tasya Alifa
Imajiner: Jurnal Matematika dan Pendidikan Matematika Vol 8, No 1 (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.v8i1.26061

Abstract

Pembelajaran matriks di sekolah menengah masih menghadapi kendala karena penyajiannya yang cenderung abstrak dan berfokus pada prosedur, sehingga siswa kesulitan memahami konsep secara mendalam. Penelitian ini bertujuan mengidentifikasi kebutuhan penerapan pendekatan Realistic Mathematics Education (RME) untuk meningkatkan pemahaman konsep matriks pada siswa kelas XI SMA Negeri 12 Medan. Metode yang digunakan adalah deskriptif kualitatif melalui observasi pembelajaran dan penelaahan dokumen pendukung, kemudian dianalisis berdasarkan teori dan temuan penelitian terkait RME. Hasil penelitian menunjukkan bahwa pembelajaran belum memanfaatkan konteks nyata, tidak menggunakan model konkret, dan kurang memberi ruang eksplorasi, diskusi, serta refleksi. Kondisi ini membuat pemahaman siswa bersifat mekanis dan lemah dalam menyelesaikan masalah kontekstual. Kajian literatur memperkuat bahwa RME mampu membangun pemahaman konseptual melalui konteks autentik, representasi visual, proses matematisasi bertahap, dan interaksi kelas. Penelitian ini menyimpulkan bahwa penerapan RME merupakan kebutuhan mendesak untuk meningkatkan kualitas pembelajaran matriks dan mendukung pemahaman siswa secara bermakna.Kata Kunci: Realistic Mathematics Education; matriks; pemahaman konsep; pembelajaran kontekstual.
ANALISIS KESALAHAN SISWA KELAS 10 DALAM MENYELESAIKAN SOAL SPLDV BERDASARKAN SOLO TAXONOMY Siregar, Budi Halomoan; Fitri Maulida; Lubis, Ariyanto; Windari S, Deby Ayu; Simangunsong, Erika
Pedagogy: Jurnal Pendidikan Matematika Vol. 11 No. 1 (2026): Pedagogy : Jurnal Pendidikan Matematika
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/97wpsz40

Abstract

Penelitian ini bertujuan menganalisis kesalahan siswa kelas X SMA dalam menyelesaikan soal Sistem Persamaan Linear Dua Variabel (SPLDV) berdasarkan kerangka SOLO Taxonomy. Metode yang digunakan adalah deskriptif kualitatif dengan teknik pengumpulan data melalui tes tertulis dan wawancara terhadap 18 siswa. Data dianalisis menggunakan lima kategori SOLO Taxonomy: pre-structural, uni-structural, multi-structural, relational, dan extended abstract. Hasil penelitian menunjukkan sebagian besar siswa berada pada tingkat pre-structural, terutama dalam mengubah soal cerita ke bentuk model matematis. Kesalahan lain meliputi ketidakmampuan menghubungkan persamaan, kelemahan dalam prosedur penyelesaian, serta kesulitan mengomunikasikan langkah penyelesaian. Hanya sedikit siswa yang mencapai tingkat relational dan extended abstract, ditandai dengan kemampuan menyelesaikan soal secara logis, sistematis, dan melakukan generalisasi. Temuan ini menegaskan pentingnya penguatan keterampilan translasi soal cerita ke model SPLDV, peningkatan latihan prosedural, serta strategi pembelajaran yang menekankan komunikasi matematis.
APPLICATION OF FRACTION BLOCK MEDIA BASED ON DEEP LEARNING TO IMPROVE STUDENTS' UNDERSTANDING OF FRACTION Siregar, Budi Halomoan; Sinaga, Adi; Simanjuntak, Juanda Rifki; Harahap, Qamaruddin Fadhilah; Situmorang, Rani Nuldiva
SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/science.v6i2.9706

Abstract

ABSTRACT This study aims to determine the effectiveness of applying fraction blocks based on a deep learning approach in improving students' understanding of fraction material in the seventh grade of MTs. The type of research used is an experiment with a One Group Pretest-Posttest design. The research subjects were 24 seventh-grade students at MTs Cerdas Murni. Data were obtained through pretest and posttest tests and observation of student learning activities, then analyzed descriptively and inferentially using the t-test. The results show that the average pretest score of students was 63.33, which increased to 72.5 on the posttest, and the t-test results show a significant difference between the two scores (tvalue = 3.406 > ttable = 2.069). These findings prove that the use of fraction block media based on the deep learning approach is effective in helping students understand the conversion of common fractions to mixed fractions and vice versa. In addition, this media is also able to increase student learning activity through more concrete manipulative and visual activities. ABSTRAK Penelitian ini bertujuan untuk menentukan efektivitas penerapan blok pecahan berdasarkan pendekatan pembelajaran mendalam dalam meningkatkan pemahaman siswa tentang materi pecahan pada kelas VII MTs. Jenis penelitian yang digunakan adalah eksperimen dengan desain One Group Pretest-Posttest. Subjek penelitian adalah 24 siswa kelas VII di MTs Cerdas Murni. Data diperoleh melalui tes pretest dan posttest serta pengamatan aktivitas belajar siswa, kemudian dianalisis secara deskriptif dan inferensial menggunakan uji-t. Hasil menunjukkan bahwa rata-rata skor pretest siswa adalah 63,33, yang meningkat menjadi 72,5 pada posttest, dan hasil uji t menunjukkan perbedaan yang signifikan antara kedua skor tersebut (thitung = 3,406 > ttabel = 2,069). Temuan ini membuktikan bahwa penggunaan media blok pecahan berdasarkan pendekatan pembelajaran mendalam efektif dalam membantu siswa memahami konversi pecahan biasa menjadi pecahan campuran dan sebaliknya. Selain itu, media ini juga mampu meningkatkan aktivitas belajar siswa melalui aktivitas manipulatif dan visual yang lebih konkret.
Co-Authors Abil Mansyur, Abil Adam Zuhri Prika Adhawina, Raissya Adrianto, Ilham Ajarah, Desi Ambarita, Samuel Yordan Ambarita, Zefanya Tabita Anggelina, Maya Angraini, Shepia Apriani, Dian Elita Aprilia , Yesnita Arsandy, Qory Septiani Asmin Panjaitan Azizi, Muhammad Farhan Bertua Serepina Tobing, Naomi Tirta Berutu, Jhosua Br Barus, Lisda Karolin Br Barus, Putri Yade Bismeninta Br Sembiring , Ega Emeysadella Br Sinaga, Elsa Noviyanti Br Sitepu, Elsa Meranie Br Tarigan , Alya Andani Rahman Br Zandroto, Nurcahaya Cut Rania Andini Damanik, Jhelsi Daulay, Andini Sahrani Debora Sinaga, Debora Denada, Elsa Dhuha, Nadira Kaylana Dwi Anggraini Fadilla, Nia Febrianti, Dwi Ayu Fitri Maulida Gisti, Rival Ananda Guci, Putri Tipakaden Gultom, Glori Cahaya Gultom, Kevin Frans Samuel Gultom, Shafna Armiyah Hafiza, Mutia HALOHO, EKA CHRISTY Harahap, Isma Khairah Harahap, Qamaruddin Fadhilah Harefa, Ilhamsyah Hariyanti Hariyanti Hasibuan, Adinda Muhfyana Hasratuddin Hasratuddin Hutabarat, Revalina Ayu Natalia HUTAPEA , YOKEBET Hutapea, Yonata Indah Aulia Pratiwi Jesiska Anjelin Siagian Kaban, Rifka Elianti br Kairuddin Kairuddin . Khaerunnisa, Marwa Khafifah F, Siti Khairunnisa' Nabilah Khalifadin Azis, Yusuf Khumairah, Azra Larasati, Anisah Lestari, Julisa Ayu Lubis, Ariyanto Lubis, Dara Muna Lubis, Kholishoh Humairoh Lubis, Nazwah Indri Agista Lubis, Sutan Ismail Akbar Rafsanjani MANIK , ROMAIDA FITRIANI BR Manik, Ruth Sahanaya MANULLANG, JULIANA Manurung, Hendra Cahyadi Manurung, Pera Novia Marbun, Marthin Maria, Novita Sari Masita, Nurul Mei Wika T Sihombing Mentari Sukma Meridina, Ramanda Mikhah Adillah Zendrato Muhammad Aldi, Muhammad Mulyono Mulyono Munthe, Atiqah Shabirah Munthe, Tiolina Maria Nabilah, Wildani Nisrina Naibaho, Joel Shintong Nainggolan, Gustia Louisa Najwa Dwi Heryanti NASUTION , NUR HAFIZAH Nasution, Fajar Maulana Nasution, Helina Qatrunnada Nasution, Nur Syahrini Nazhatul Sahima Mohd Yusoff Nazwa, Putri Ndor Damayanti Silalahi Nilam Cahya Ningrum, Salamah Sulistya Nurpadila, Nurpadila Panjaitan, Chesia Aprina Panjaitan, Marajohan Purba, Derma Sarah Tia Wanka PURBA, DITA LOVIANNA Purba, Diva Novita Angely Putri Purba, Fernando Putri Andini, Putri Putri Rizki Putri, Aisya Nabila Putri, Imelda Putri, Tasya Alifa Qoyyima, Annisa Rahmah, Khalida Rahman, Arief Aulia Rambe, Yarti Melvina Rehana, Rehana Rumahorbo, Dimas SAING, NASIB Samosir, Martha Indah Saputra, Yoga Aulia SARAGIH , DWITA LESTARI Saragih, Afta Geosasmita Saragih, Amelia Cristy Saragih, Patricia Saragih, Saripah Erguna br Siagian, Kristiani Siagian, Yerikho Aprillio Sibarani, Khoirunnisa Sibarani, Mikhael Agus Tua Siburian, Gusti Magdalena Br. Sidauruk , Vico Putra Sihombing, Kesia Sihombing, Kevin Marito Sihombing, Thresia Veronika SIHOTANG, HARRY Silaban, Gebriel Saron SILALAHI, LISBETH Silvina, Nur Simamora, Destia Krisela Simamora, Eka Finanti Septiana Simamora, Septri Amelia Simangunsong, Erika SIMANIHURUK, SRI VIONI NOVENA Simanjuntak, Juanda Rifki Simanjuntak, Rosi Ade Putri Simanullang, Asria Ronauli Simanungkalit, Imel Simatupang, Nashwa Rahmadhani Simbolon, Stevania Sri Debbye Br Sinaga, Adi Sinaga, Rosmelia Elsada Sinaga, Sinta Marintan Sinaga, Victory Rajani Sinuhaji, Ribka Dameria Siregar, Anisa Rahmadani Siregar, Dea Athalia Siregar, Fransisco Dinata Siregar, Nur Hasanah Sitepu, Iren Dwi Adinda Siti Sarah, Siti Sitindaon, David Sitorus, Cellion Lydia Magdalena Sitorus, Grace Elicia Sitorus, Santa De Luisa SITORUS, TABITHA Situmorang, Rani Nuldiva Situmorang, Romaulika Situmorang, Sylva Anastasya Sulaiman, Raysah Puteri Syafitri, Nazwa Mutia Syamsinah, Chairi Tambunan, Engeli Emmanuela Br Tampubolon, Rafael Tampubolon, Stephani Theresa Vania Tanjung, July Yanty Tarigan, Adelia Br Tarigan, Gita Helena Tarigan, Nafa Cleo Wulandari Tarigan, Putri Br Tarigan, Septi Agita Tumanggor, Abednego Pradja Turnip, Leonardo Waniza, Elva Wardana, Aini Waruwu, Fertianus Waruwu, Maria Lilis Sartika Windari S, Deby Ayu Yesica Siahaan, Chrystin Yulia Ayu Utami Tarigan Yusoff, Nazhatul Sahima Mohd Yusuf Khalifadin Azis Zulaida, Putri