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All Journal Wahana Matematika dan Sains Jurnal THEOREMS (The Original Research of Mathematics)
Daffa Aditya Ardana
Universitas Muhammadiyah Semarang

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Pengembangan dan Validitas E-Modul Berdiferensiasi Berbasis PBL-TaRL pada Materi PLSV Daffa Aditya Ardana; Venissa Dian Mawarsari; Dwi Sulistyaningsih
Wahana Matematika dan Sains: Jurnal Matematika, Sains, dan Pembelajarannya Vol. 20 No. 1 (2026): April 2026
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/wms.v20i1.113591

Abstract

Tantangan mendasar dalam penguasaan materi Persamaan Linear Satu Variabel (PLSV) bersumber dari praktik instruksional konvensional yang kerap menyeragamkan kemampuan siswa. Sebagai upaya mengatasi tantangan tersebut, penelitian ini difokuskan untuk merancang sekaligus mengevaluasi kelayakan teoretis bahan ajar digital berdiferensiasi berlatar investigasi detektif, dengan mengintegrasikan model Problem Based Learning (PBL) serta pendekatan Teaching at the Right Level (TaRL). Riset ini menerapkan pendekatan Research and Development (R&D) berlandaskan kerangka ADDIE, dengan batasan operasional yang dikhususkan hingga fase pengembangan. Subjek penilaian melibatkan tiga pakar materi dan tiga pakar media menggunakan instrumen kuesioner. Analisis data dilakukan secara kuantitatif deskriptif. Hasil validasi pakar menunjukkan rerata skor 3,39 untuk substansi materi dan 3,61 untuk teknis media, di mana keduanya masuk dalam kualifikasi sangat valid. Kesimpulannya, E-Modul matematika berdiferensiasi ini dinilai sangat layak secara teoretis dan siap untuk diujicobakan lebih lanjut pada pembelajaran adaptif materi PLSV.
Systematic literature review: Integrating problem-based learning with teaching at the right level to enhance problem solving skills Daffa Aditya Ardana; Venissa Dian Mawarsari; Dwi Sulistyaningsih
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16985

Abstract

Mathematical problem-solving ability is a fundamental competence in the Merdeka Curriculum, demanding student adaptability to global challenges. However, empirical reality reveals low student achievement due to the dominance of conventional teaching methods that overlook students' cognitive diversity. This study offers a solution through the integration of the Problem-Based Learning (PBL) model with the Teaching at the Right Level (TaRL) approach to create inclusive and adaptive learning. The objective is to systematically evaluate the distribution profile, integration patterns, and effectiveness of this model on students' mathematical abilities. This study employed a Systematic Literature Review (SLR) method using the PRISMA protocol to ensure methodological rigor. The selection process involved screening 991 initial articles from Google Scholar, ERIC, and Scopus, filtering 50 duplicates and 880 irrelevant entries, resulting in 22 empirical articles published between 2020–2025. The concrete results indicate a significant upward trend in publications, with a dominant integration pattern where TaRL is applied through content differentiation in the orientation phase and process differentiation in the investigation phase. The implementation of this model effectively enhances problem-solving skills and mathematical literacy by keeping learning challenges within the students' Zone of Proximal Development (ZPD). This study contributes to the literature by providing a specific pedagogical framework for integrating PBL and TaRL, bridging the gap in heterogeneous classrooms. Future research is suggested to expand on longitudinal studies and the use of adaptive technology to address classroom management constraints.
Co-Authors Dwi Sulistyaningsih Dwi Sulistyaningsih Venissa Dian Mawarsari