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Budi Halomoan Siregar

Universitas Negeri Medan

Author-ID : 563052

Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Peningkatan Pemahaman Siswa Kelas X Sma Terhadap Materi Logaritma Melalui Media Pembelajaran Tangga Logaritma Cut Rania Andini; Jesiska Anjelin Siagian; Mikhah Adillah Zendrato; Ndor Damayanti Silalahi; Putri Rizki; Budi Halomoan Siregar
J-CEKI : Jurnal Cendekia Ilmiah Vol. 3 No. 6: Oktober 2024
Publisher : CV. ULIL ALBAB CORP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/jceki.v3i6.5423

Penelitian ini bertujuan untuk meningkatkan pemahaman siswa kelas X SMA terhadap materi logaritma dengan menggunakan media pembelajaran tangga logaritma. Dalam penelitian ini, 18 siswa diukur kemajuan pemahaman mereka melalui analisis nilai pre-test dan post-test. Metode analisis yang digunakan adalah uji korelasi Pearson dan Spearman. Hasil analisis menunjukkan bahwa nilai korelasi Pearson mencapai 0,88, sementara korelasi Spearman mencapai 0,95, keduanya mengindikasikan adanya hubungan positif yang sangat kuat antara nilai pre-test dan post-test. Temuan ini menunjukkan bahwa siswa dengan pemahaman awal yang baik cenderung mencapai hasil yang lebih tinggi setelah pembelajaran, sehingga membuktikan efektivitas media tangga logaritma dalam meningkatkan pemahaman siswa terhadap materi logaritma secara signifikan.

IMPLEMENTASI MODEL PBL GUNA MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH PADA TOPIK MATRIKS KELAS XI SMA SWASTA GKPI PAMEN PURBA, DITA LOVIANNA; SARAGIH , DWITA LESTARI; HALOHO, EKA CHRISTY; NASUTION , NUR HAFIZAH; MANIK , ROMAIDA FITRIANI BR; SIMANIHURUK, SRI VIONI NOVENA; HUTAPEA , YOKEBET; SIREGAR, BUDI HALOMOAN
EDUCATIONAL : Jurnal Inovasi Pendidikan & Pengajaran Vol. 5 No. 1 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/educational.v5i1.4632

ABSTRACT This study aims to assess the implementation of the PBL model in improving problem solving competence on the topic of matrix in class XI of GKPI Pamen Private High School. The background of this study is the low problem solving ability of students, especially on the topic of matrix. This study uses a quasi-experimental method using initial and final tests in the teaching and learning process. Information was collected through the results of the initial and final problem solving tests of the teaching and learning process, then analyzed using t-tests to ensure the significance of the comparison between the experimental class with the PBL model and conventional learning in the control class. The results of this study showed that students who learned with the PBL model experienced a significant increase in problem solving competence compared to those who followed the learning through the conventional process. The conclusion of this study shows that PBL can improve problem solving competence specifically on matrix material, which has a positive influence on the quality of mathematics education at the high school level. This research is expected to contribute to the development of more innovative education in learning mathematics. ABSTRAK Penelitian ini bertujuan untuk menilai implementasi model PBL dalam meningkatkan kompetensi pemecahan masalah pada topik matriks kelas XI SMA Swasta GKPI Pamen. Latar belakang penelitian ini merupakan rendahnya kemampuan pemecahan masalah siswa khususnya pada topik matriks. Penelitian ini memakai metode quasi-experimental dengan menggunakan test awal dan akhir pada proses belajar mengajar. Informasi dikumpulkan melalui hasil test awal dan akhir pemecahan masalah proses belajar mengajar, kemudian dianalisis memakai uji t(t-test) untuk memastikan signifikansi perbandingan antara kelas eksperimen dengan model PBL dan pembelajaran konvensional pada kelas kontrol. Hasil penelitian ini menunjukkan bahwa siswa yang belajar dengan model PBL mengalami kenaikan yang signifikan dalam kompetensi pemecahan masalah dibanding dengan yang mengikuti pembelajaran melalui proses konvensional. Kesimpulan penelitian ini menunjukkan bahwa PBL dapat meningkatkan kompetensi pemecahan masalah terkhusus pada materi matriks, yang memberikan pengaruh positif pada kualitas pendidikan matematika di tingkat SMA. Penelitian ini diharapkan dapat berkontribusi terhadap pengembangan pendidikan yang lebih inovatif dalam belajar matematika.

MENINGKATKAN LITERASI MATEMATIS MELALUI PENDEKATAN MATEMATIKA REALISTIK PADA SISWA KELAS 11 SMA YPK Gultom, Glori Cahaya; Hafiza, Mutia; Rehana, Rehana; Kaban, Rifka Elianti br; Ambarita, Samuel Yordan; Siregar, Budi Halomoan; Saragih, Saripah Erguna br
EDUTECH : Jurnal Inovasi Pendidikan Berbantuan Teknologi Vol. 5 No. 1 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/edutech.v5i1.4610

The purpose of this study was to improve students' mathematical literacy competence in class XI at SMA YPK Medan by implementing the Realistic Mathematics Education (RME) approach supported by educational technology. Mathematical literacy includes students' ability to understand, interpret, and apply mathematical concepts in real-world contexts. In this study, an experimental approach with pre-tests and post-tests was used to compare the results of the control and experimental classes. The experimental class was taught using the RME approach supported by technology such as mathematics learning applications and interactive media, while the control class used traditional teaching methods without technological support. Data were analyzed using a t-test to analyze differences in mathematical competence between the two classes. The results of this study indicate that the RME approach supported by technology is significantly more effective in improving students' mathematical literacy compared to traditional methods, especially in terms of formulating, interpreting, and applying mathematics to solve real-world problems. This research also shows that the integration of technology in mathematics learning can enrich students' learning experiences, increase engagement, and support the development of better mathematical skills. Abstrak Tujuan dari penelitian ini adalah untuk meningkatkan kompetensi literasi matematika siswa pada kelas XI di SMA YPK Medan dengan menerapkan Pendekatan Matematika Realistik (PMR) yang didukung oleh teknologi pendidikan. Literasi matematika mencakup kemampuan siswa dalam memahami, menginterpretasikan, dan mengaplikasikan konsep-konsep matematika dalam konteks dunia nyata. Dalam penelitian ini, pendekatan eksperimental dengan pre-test dan post-test digunakan untuk membandingkan hasil dari kelas kontrol dan kelas eksperimen. Kelas eksperimen diajar menggunakan pendekatan PMR yang didukung oleh teknologi seperti aplikasi pembelajaran matematika dan media interaktif, sedangkan kelas kontrol menggunakan metode pengajaran tradisional tanpa dukungan teknologi. Data dianalisis dengan menggunakan uji-t untuk menganalisis perbedaan kompetensi matematika antara kedua kelas. Hasil penelitian ini menunjukkan bahwa pendekatan PMR yang didukung oleh teknologi secara signifikan lebih efektif dalam meningkatkan literasi matematika siswa dibandingkan dengan metode tradisional, terutama dalam hal merumuskan, menafsirkan, dan mengaplikasikan matematika untuk memecahkan masalah dunia nyata. Penelitian ini juga menunjukkan bahwa integrasi teknologi dalam pembelajaran matematika dapat memperkaya pengalaman belajar siswa, meningkatkan keterlibatan, dan mendukung pengembangan keterampilan matematika yang lebih baik.

Improving Understanding of Mathematical Concepts Through Contextual Teaching and Learning (CTL): A Case Study at Junior High School 14 Pematangsiantar Nazwa, Putri; Apriani, Dian Elita; Siburian, Gusti Magdalena Br.; Situmorang, Romaulika; Simamora, Septri Amelia; Rambe, Yarti Melvina; Aprilia , Yesnita; Siregar , Budi Halomoan
Jurnal Pendidikan Matematika (JPM) Vol 11 No 1 (2025): Jurnal Pendidikan Matematika (JPM)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/jpm.v11i1.23382

Mathematics learning at the secondary school level plays an important role in fostering a deep understanding of ideas among students. The main purpose of this research is to see how effectively SMP Negeri 14 Pematangsiantar’s students understand mathematical concepts through CTL learning. This research applies a quantitative approach with a true experimental design. The study involved 30 seventh-grade students, divided into an experimental group (15 students of class VII-1) and a control group (15 students of class VII-3). The experimental group received learning with the CTL approach, which incorporated real-life problem-solving activities, discussions, and hands-on contextual exercises related to fractions. Meanwhile, the control group was taught using the expository method. Both groups were given a pre-test and post-test to measure the improvement of learning outcomes. The control group had an average post-test score of 54.00, while the experimental group had a significantly higher score of 90.33 (p < 0.001). Data were analyzed using an independent sample t-test, which confirmed that the difference in post-test scores between the two groups was statistically significant. The findings indicated that the CTL approach significantly improved students' conceptual understanding. The practical implications of this study suggest that integrating contextual learning strategies into mathematics instruction can enhance students’ ability to comprehend abstract concepts, particularly fractions. The findings of this study support the CTL approach as an effective and recommended instructional strategy for improving students' conceptual understanding of fractions. Implementing this approach can contribute to more engaging and meaningful mathematics education at the secondary school level.

the Pengaruh alat peraga mesin pembagian berbasis Realistic Mathematic Education (RME) terhadap pemahaman konsep siswa pada materi operasi pembagian di kelas VII SMP Yayasan Perguruan IRA Tarigan, Adelia Br; Sibarani, Mikhael Agus Tua; Silvina, Nur; Tarigan, Putri Br; Tampubolon, Rafael; Simbolon, Stevania Sri Debbye Br; Siregar, Budi Halomoan
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.18524

The problem found is the low understanding of concepts on division operation material. This is due to the difficulty of understanding the abstract material. This is triggered by the lack of utilization of relevant learning media to overcome it. This study examines the effect of RME-based division machine props on the conceptual understanding of division among seventh-grade students at SMP Yayasan Perguruan IRA. This research design uses a pre-test and post-test control group as part of a quasi-experimental research method with a quantitative approach. The population of this study was all seventh-grade students, with a sample of 18 students in the control class and 18 in the experimental class. In the post-test, the control and experimental classes obtained sig <0.05, so it was stated that there was a significant difference between the experimental class and the control class. Thus, the study results showed a substantial effect in applying Realistic Mathematic Education (RME)-based division machine props on understanding the concept of division operations in class VII of SMP Yayasan Perguruan IRA. The findings highlight the practical effect of RME-based teaching aids in improving students' conceptual understanding and emphasize the need for scalable, inclusive teaching aids in mathematics education.

Development of Electronic Comic Based on Realistic Mathematics Learning to Improve Students' Concept Comprehension Ability Saragih, Patricia; Siregar, Budi Halomoan
Jurnal Pendidikan Matematika Vol. 16 No. 2 (2025): July 2025
Publisher : Jurusan Pendidikan Matematika FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/jpm.v16i2.278

This research is motivated by the low student concept comprehension ability caused by the teacher-centered learning process and the absence of additional media used during the learning process. The purpose of this research is to develop an electronic comic based on Realistic Mathematics Learning with valid, practical, and effective criteria in improving the ability to understand concepts. This research uses the ADDIE development model: analysis, design, development, implementation and evaluation. The data collection techniques used are observation, interviews, questionnaires, and tests. Instruments for data collection include electronic comic validity questionnaire sheets, practicality questionnaires from teachers and students, concept comprehension ability tests, and student response questionnaires. The research findings show that electronic comics based on realistic mathematics learning developed on social arithmetic materials are suitable for use as a learning medium that can improve students' concept comprehension ability because they have been declared valid, practical, and effective. This is based on the results of the validation from media expert 4.5 (very valid) and 4.41 (very valid) from the material expert, the results of the practicality questionnaire from the teacher of 90% (very practical), and the results of the practicality questionnaire from students of 80.18% (very practical), the results of the test of students' conceptual comprehension ability, including (1) the completeness of classical concept comprehension of 87.18%; (2) the achievement of each indicator of concept comprehension of 97.20%, 97.20%, 74.35%, and 69.23%; (3) increased conceptual comprehension ability with N-Gain by 0.73; and (4) positive response from students of 90.25%.

Pengaruh Pendekatan Deep Learning Berbantuan Media PPT Interaktif Berbasis Geogebra terhadap Hasil Belajar Trigonometri Siswa Siregar, Fransisco Dinata; Adrianto, Ilham; Siagian, Yerikho Aprillio; Azizi, Muhammad Farhan; Siregar, Budi Halomoan
JURNAL RISET PEMBELAJARAN MATEMATIKA SEKOLAH Vol. 9 No. 2 (2025): Jurnal Riset Pembelajaran Matematika Sekolah
Publisher : Program Studi Pendidikan Matematika FMIPA Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jrpms.092.10

Penelitian ini bertujuan untuk menganalisis pengaruh pendekatan pembelajaran berbasis Deep Learning yang dipadukan dengan media PowerPoint interaktif berbasis GeoGebra terhadap hasil belajar matematika, khususnya pada topik trigonometri. Metode penelitian menggunakan eksperimen dengan desain One-Group Pre-Test-Post-Test pada siswa kelas X SMK Swasta Bina Satria. Hasil uji-t menunjukkan adanya peningkatan signifikan pada nilai rata-rata dari 49,38 menjadi 68,12 (p < 0,05) dengan N-Gain sebesar 0,37 (kategori sedang). Selain itu, 95,8% siswa memberikan respon positif terhadap pembelajaran. Temuan ini menunjukkan bahwa integrasi Deep Learning dengan media interaktif efektif dalam meningkatkan pemahaman konsep matematika dan dapat dijadikan alternatif strategi pembelajaran di sekolah menengah kejuruan

Digital Media Innovation Based on Multimedia Cognitive and Constructivist Theory in a Cultural Context: Encouraging Students' Higher Order Thinking Skills Siregar, Budi Halomoan; Panjaitan, Asmin; Hasratuddin, Hasratuddin; Kairuddin, Kairuddin; Mulyono, Mulyono; Rahman, Arief Aulia
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 8, No 1 (2024): January
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v8i1.16800

The high-order thinking skills of students in Indonesia are classified as low, this is in line with the results of diagnostic tests conducted in class IX junior high school. Thus, it is necessary to develop digital media based on multimedia and constructivist cognitive theory with cultural context as one of the alternative solution. This study aims to (1) develop digital learning media based on constructivist and cognitive multimedia theories with a cultural context that fulfills the categories of validity, practicality and effectiveness; and (2) improve students' high-order thinking skills after using these media in the learning process. The research subjects were 30 students in class IX junior high school and the research objects were digital learning media based on constructivist theory and cognitive multimedia with a cultural context to improve students' high-level thinking skills on the topic of dilation. This is a research design with the Plomp model, which consists of (1) Preliminary research; (2) Prototyping phase; and (3) Assessment phase. The research instruments used were interviews, questionnaires and tests. The results showed that the product developed was included in the very valid, very practical, and effective category, where: (a) classical learning completeness reached 97%; (b) positive response by product users reached 97%; and (c) the N-Gain value was 0.791 in the very high category. Thus, it can be stated that the product meets the quality standard criteria, where the product can be used to improve students' high-level thinking abilities.

Analisis kesulitan siswa dalam pemecahan soal cerita sistem persamaan linear dua variabel berdasarkan tahapan polya Arsandy, Qory Septiani; Siregar, Anisa Rahmadani; Sinuhaji, Ribka Dameria; Ambarita, Zefanya Tabita; Sinaga, Victory Rajani; Siregar, Budi Halomoan
Papanda Journal of Mathematics and Science Research Vol. 4 No. 2 (2025): Volume 4 Nomor 2 September 2025
Publisher : Papanda Publisher

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

Mathematics is one of the subjects that plays an important role in training students' critical thinking and problem-solving skills. However, in practice, many students experience difficulties, especially when faced with story problems that require the ability to understand the context and translate it into a mathematical model. This study aims to analyze students' difficulties in solving word problems on the subject of Two-Variable Linear Equation Systems (SPLDV) based on Polya's problem-solving stages. This study uses a qualitative descriptive approach with 26 ninth-grade students from SMP Negeri 27 Medan as subjects. The research instrument was a written test on SPLDV story problems and was analyzed using Polya's stages, namely understanding the problem, devising a plan, implementing the plan, and checking the results. The results showed that students experienced difficulties at almost every stage. At the stage of understanding the problem, some students failed to identify important information and determine the variables correctly. In the planning stage, many students had difficulty converting the story problems into a system of linear equations. In the execution stage, errors mainly occurred in calculation operations and the application of the elimination and substitution methods. Meanwhile, in the checking stage, most students were unable to relate the solution to the context of the problem and rarely verified their answers. These findings confirm that students' difficulties are systematic, whereby failure at one stage has an impact on the next stage. Therefore, teachers need to emphasize problem-based learning by providing systematic exercises, accustoming students to verification, and training mathematical representation skills so that students are able to minimize errors in solving SPLDV story problems.

Effect of Deep Learning Approach With GeoGebra-Based Interactive PowerPoint and Animated Videos on Concept Understanding Silvina, Nur; Tumanggor, Abednego Pradja; Tarigan, Adelia Br; Lubis, Dara Muna; Sibarani, Mikhael Agus Tua; Siregar, Budi Halomoan
Jurnal Pendidikan Matematika Universitas Lampung Vol. 13 No. 3 (2025): Jurnal Pendidikan Matematika Universitas Lampung
Publisher : Faculty of Teacher Training and Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mtk/v13i3.pp157-171

This study focused on identifying the magnitude of the impact of a deep learning approach assisted by GeoGebra-based interactive PowerPoint media and animated videos on junior high school students’ conceptual understanding, particularly on the topic of straight-line equations. The research employed a quasi-experimental methodology with a pretest–posttest design involving two groups: the experimental group and the comparison group. The measurement instruments consisted of essay questions, and the data were analyzed using normality testing, homogeneity testing, and an independent t-test. The findings revealed a significant improvement in the experimental group’s conceptual understanding. The higher average posttest score compared to the control group confirmed that the use of interactive media enhanced students’ understanding of the material in a more visual and engaging way. Furthermore, the deep learning strategy optimized students’ active involvement in understanding and connecting relevant material to real-life situations. Thus, the synergy between digital media and this learning strategy was proven to effectively enhance conceptual understanding.

Co-Authors Abil Mansyur, Abil Adam Zuhri Prika Adhawina, Raissya Adrianto, Ilham Ajarah, Desi Ambarita, Samuel Yordan Ambarita, Zefanya Tabita 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 Sinaga, Elsa Noviyanti Br Sitepu, Elsa Meranie Br Zandroto, Nurcahaya Cut Rania Andini Daulay, Andini Sahrani Debora Sinaga, Debora Denada, Elsa Dhuha, Nadira Kaylana Dwi Anggraini Fadilla, Nia Febrianti, Dwi Ayu Gisti, Rival Ananda Guci, Putri Tipakaden Gultom, Glori Cahaya Gultom, Kevin Frans Samuel Hafiza, Mutia HALOHO, EKA CHRISTY 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, 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, Tiolina Maria Nabilah, Wildani Nisrina Naibaho, Joel Shintong Nainggolan, Gustia Louisa NASUTION , NUR HAFIZAH Nasution, Nur Syahrini Nazhatul Sahima Mohd Yusoff Nazwa, Putri Ndor Damayanti Silalahi Nilam Cahya Ningrum, Salamah Sulistya Nurpadila, Nurpadila Panjaitan, Marajohan PURBA, DITA LOVIANNA Purba, Fernando Putri Andini, Putri Putri Rizki Putri, Aisya Nabila Putri, Imelda Qoyyima, Annisa 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, Yerikho Aprillio Sibarani, Khoirunnisa Sibarani, Mikhael Agus Tua Siburian, Gusti Magdalena Br. Sidauruk , Vico Putra 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 SIMANIHURUK, SRI VIONI NOVENA Simanjuntak, Rosi Ade Putri Simanungkalit, Imel Simatupang, Nashwa Rahmadhani Simbolon, Stevania Sri Debbye Br 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, Romaulika Situmorang, Sylva Anastasya Sulaiman, Raysah Puteri 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 Yesica Siahaan, Chrystin Yulia Ayu Utami Tarigan Yusoff, Nazhatul Sahima Mohd Yusuf Khalifadin Azis

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