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All Journal AlphaMath: Journal of Mathematics Education Jurnal Elemen Al-Jabar : Jurnal Pendidikan Matematika Scholaria: Jurnal Pendidikan dan Kebudayaan POLYGLOT Union: Jurnal Ilmiah Pendidikan Matematika JOHME: Journal of Holistic Mathematics Education Indonesian Journal of Science and Mathematics Education Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Prima: Jurnal Pendidikan Matematika M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Diklat Review : Jurnal manajemen pendidikan dan pelatihan GAUSS: Jurnal Pendidikan Matematika SEPREN: Journal of Mathematics Education and Applied Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika Range : Jurnal Pendidikan Matematika Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika Mosharafa: Jurnal Pendidikan Matematika MATH-EDU: Jurnal Ilmu Pendidikan Matematika Journal of Advanced Sciences and Mathematics Education Smart Society: Community Service and Empowerment Journal Brillo Journal Edumatica: Jurnal Pendidikan Matematika JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Jurnal Nusantara Berbakti Jurnal Pengabdian Masyarakat Ilmu Pendidikan JNPM (Jurnal Nasional Pendidikan Matematika) IndoMath: Indonesia Mathematics Education Hexagon: Jurnal Ilmu dan Pendidikan Matematika Jurnal Pendidikan MIPA Media Pendidikan Matematika
Siahaan, Meiva Marthaulina Lestari
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Religion Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Pengembangan Lembar Kerja Siswa Materi SPLDV untuk Meningkatkan Hasil Belajar Siswa Melalui Pendekatan Matematika Realistik Deni Taniu; Lailin Hijriani; Yohanes Jefrianus Kehi; Meiva Marthaulina Lestari Siahaan; Fitriani
Media Pendidikan Matematika Vol. 13 No. 2 (2025): J-MPM
Publisher : Program Studi Pendidikan Matematika, FSTT, Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v13i2.16740

Abstract

This research is motivated by the lack of worksheets development (LKS) at school based on the Realistic Mathematics Approach (RMA), which has resulted in low student mathematical abilities, especially in solving system of linear equations in two variables. This research aims to produce valid, practical, and effective Student Worksheets (LKS) based on the Realistic Mathematics Approach (RMA) for algebra. The research aimed to improve students' mathematical abilities, which will impact student learning outcomes. The research type is research and development (R&D) using the 4-D model. The target population of this study was 20 students of class VIIIA at Junior High School Neonbat. The instruments used were expert validation sheets, student response questionnaire sheets, and pretest and posttest questions. The results of the study showed that the quality of the student worksheets met the validity criteria, with an average value of 84.78% in the very valid category. The results of the LKS practicality questionnaire showed an average score of 90.6% in the very practical category. While in terms of effectiveness, it met the effective criteria. The average individual score for the pretest results was 24.5. However, it increased after using the student worksheet as indicated by the posttest results with an average value of 79.5. The percentage of classical completion based on the posttest results was 80%, which is included in the effective category. So that, the student worksheet for algebra material through realistic mathematics approach met the criteria of valid, practical, and effective.
Analisis Pemahaman Konsep Matematika Siswa Kelas VII berdasarkan Taksonomi Solo (Structure Of Observed Learning Outcomes) pada Materi Perbandingan Elvira Riyani Mau Naifio; Fitriani; Meiva Marthaulina Lestari Siahaan
GAUSS: Jurnal Pendidikan Matematika Vol. 6 No. 1 (2023)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/gauss.v6i1.5441

Abstract

Abstrak Pemahaman konsep matematika terlihat dari cara berpikir siswa dalam menyelesaikan masalah matematika. Mulai dari cara menuliskan langkah-langkah penyelesaian, jawaban akhir, sampai kepada mendapatkan alternatif penyelesaian masalah. Penelitian ini dilakukan di SMP Negeri 1 Malaka Timur dan bertujuan untuk menganalisis sejauh mana pemahaman konsep matematika yang diklasifikasikan dari level berpikirnya berdasarkan taksonomi SOLO. Pengambilan data dilakukan dengan memberikan tes pemahaman konsep pada 18 siswa Kelas VII kemudian dilakukan reduksi data dan dipilih 5 responden yang mewakili masing-masing level berpikir. Hasil penelitian menunjukkan subjek 1 memiliki level berpikir prastruktural dan tidak memenuhi indikator pemahaman konsep, subjek 2 memiliki level berpikir unistruktural dan memenuhi salah satu indikator pemahaman konsep, subjek 3 memiliki level berpikir multistruktural dan memenuhi dua indicator pemahaman konsep, subjek 4 memiliki level berpikir relasional dan memenuhi semua indikator pemahaman konsep dan subjek 5 merupakan level berpikir extended abstract dan memenuhi semua indicator pemahaman konsep. Kata kunci: level berpikir, pemahaman konsep matematika, taksonomi SOLO
Exploring Students’ Conceptual Understanding of Statistics Towards The Problem Based Learning (PBL) Model in Grade XI Priska Antonia Naikofi; Meiva Marthaulina Lestari Siahaan; Dominifridus Bone
Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika Vol. 16 No. 1 (2026): Pasundan Journal of Mathematics Education: Jurnal Pendidikan Matematika
Publisher : Program Magister Pendidikan Matematika, Pascasarjana, Universitas Pasundan in collaboration with Asosiasi Guru Matematika Indonesia (AGMI) and Indonesian Mathematics Educators' Society (IMES)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/pjme.v16i1.40739

Abstract

This study aims to explore Grade XI students’ concept understanding of statistics at SMA Negeri 1 Insana through the implementation of the Problem Based Learning (PBL) model. A qualitative case study approach was employed through classroom observation, concept-understanding tests, LKS analysis, and student interviews. The findings showed that PBL encouraged active engagement in understanding the concepts of mean, median, and mode through real-world problem exploration. Students’ conceptual understanding improved based on test results: 1 student achieved very good, 26 good, and 3 fair. The average conceptual understanding score was 78.31 (good category). Teacher activity reached 70% (fairly good), while student activity reached 68% (fair). These findings indicate that PBL supports students in independently and contextually constructing their conceptual understanding. In conclusion, the PBLmodel effectively enhances students’ conceptual understanding of statistics, as shown by the dominance of students in the good category. The implications of this study indicate that PBL can be applied as an alternative instructional approach to improve conceptual understanding and learning engagement in statistics. Teachers are encouraged to strengthen the reflection and feedback stages to further support students’ mastery of concepts.
Learning Trajectory: Learning Design Based on Rigorous Mathematical Thinking to Enhance Students’ Mathematical Conceptual Siahaan, Meiva Marthaulina Lestari; Salsinha, Cecilia Novianti; Fitriani, Fitriani
Edumatica : Jurnal Pendidikan Matematika Vol 16 No 2 (2026): Edumatica: Jurnal Pendidikan matematika (Agustus 2026)
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/edumatica.v16i2.49776

Abstract

Students' conceptual abilities are essential to problem-solving related to two-variable linear equation systems (two-variable LES). These include the abilities to model, represent and generalize mathematical problems. Therefore, there is a need for a learning design that emphasizes systematic concept development, such as one that applies the Rigorous Mathematical Thinking (RMT) approach. As design research, this study went through three phases: preliminary design, teaching experiment and retrospective analysis. The research was conducted involving 8th- and 9th-grade students in Indonesia, spanning for 10 meetings in total. Data were collected through a pre-course written test, observations, interviews and analyses of student work. This study reconstructs students' learning trajectories in two-variable LES learning using two-variable LES solution methods. Based on the findings of this study, it is concluded that through the RMT approach, students' reasoning, justifying and generalizing abilities contribute to the improvement of their conceptual understanding of two-variable LES.
Co-Authors Ahsan, Zulkaidah Nur Ahzan, Zulkaidah Nur Aloisius Loka Son Amsikan, stanislaus - Angelika Rosa Da Lima Leli Astriani Dewi, Ni Putu Yuni Bete, Hendrika Cecilia Novianti Salsinha Damianus Dao Samo Danul, Yuliana Serli Deda, Yohanis Ndapa Deni Taniu Dominifridus Bone E. Elvis Napitupulu Eduardus Beo Seso Delvion Elin, Lailin Hijriani Elvira Riyani Mau Naifio Emily Johnson Ermelinda Nainahas Farida Daniel Fitriani Fitriani Fitriani Fitriani Fitriani Funan, Fedelia Gusti Firda Khairunnisa Handayani, Rika Hermina Disnawati, Hermina Hesni Neno Hesni Neno Hesni Neno, Hesni Hijriani, Lailin Hijriani, Lailin Juliana Mehelina Herlince Nenohai Klau, Kondradus Yohanes Klau, Maria Fransineti Hoar Kondradus Yohanes Klau Kristoforus Nofenaris Agung Kurnia Putri Sepdikasari Dirgantoro Ladja, Yosepha Patricia Wua Lailin Hijriani Leli, Angelika Rosa Da Lima Lidwina Felisima Tae Lidwina Felisima Tae LUDGARDIS LEDHENG Maifa, Talisadika Serrisanti Manek, Prudensius Margarita Tampani Melda J Saragih Melda Jaya Saragih, Melda Jaya Merlin Helentina Napitupulu Minanur Rohman mone, ferdinandus Naifio, Elvira Riyani Mau Naimnule, Maria Nelciana Talan Oce Datu Appulembang, Oce Datu Patrisius Nulle Priska Antonia Naikofi Prudensius Manek Prudensius Manek Rika Handayani Riny Oktora Purba Rut Tae Rut Tae Selestina Nahak Septianingsi Manekat Simamarta, Justin Eduardo Simarmata, Justin Eduardo Siska Nopa Br. Tambunan Solo, Maria Fransiska Venidora Tae, Rut Tamba, Kimura Patar Toni, Albertus Toni, Albertus - Wua Laja, Yosepha Patricia Yeni Missa Yohanes Jefrianus Kehi Yosepha P. W. Laja Yuliana Serli Danul Yuliana Serli Danul Zulkaidah Nur Ahsan Zulkaidah Nur Ahzan Zulkaidah Nur Ahzan