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All Journal Pythagoras: Jurnal Matematika dan Pendidikan Matematika Jurnal Sains Dasar Edumatsains Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Bulletin of Educational Management and Innovation Jurnal Kajian dan Terapan Matematika Jurnal Pedagogi Matematika
Kuswari Hernawati
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Physics Other

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Collaborative Learning Model of the PBL Type with a Scientific Approach to Improve Mathematical Problem-Solving Skills and Self-Regulated Learning of Students Amelia, Risna; Hernawati, Kuswari; Jailani, Jailani; Wahyu Setyaningrum
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol. 14 No. 2: April 2026
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v14i2.17840

Abstract

21st-century education requires students to master mathematical problem-solving skills and self-regulated learning (SRL), but these skills remain a challenge for junior high school students in Indonesia. This study aims to examine the impact of implementing a Collaborative Learning Model of the PBL combined with a scientific approach (observing, questioning, reasoning/trying, communicating) on students' mathematical problem-solving skills and SRL. The study used a pre-experimental method with a One-Group Pretest–Posttest design on 31 seventh-grade students at a junior high school in Sleman Regency. Data on problem-solving skills were collected through a 5-item essay test with a maximum theoretical score of 50, while SRL was measured using a Likert scale questionnaire. Inferential analysis used the Wilcoxon signed-rank test for problem-solving skills (the assumption of normality was not met) and the paired sample t-test for SRL. The results showed a significant increase in problem-solving skills from 15.32 to 30.92, with posttest achievement equivalent to 61.84% of the theoretical maximum score. SRL also increased significantly from 121.81 to 122.74, although the mean difference was relatively small compared to the scale range. These findings indicate changes in students’ achievement after the intervention; however, the results should be interpreted cautiously due to the short intervention duration and the limitations of the one-group pretest–posttest design without a control group.
Interactive mathematics learning media based on problem-based learning to enhance students' numeracy skills Kuswari Hernawati; Muhammad Irfan; Rofi Amiyani; Fadilla Zahira Jihan Mentari
Bulletin of Educational Management and Innovation Vol. 4 No. 1 (2026): Bulletin of Educational Management and Innovation
Publisher : Rafandha Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56587/bemi.v4i1.126

Abstract

Background: Numeracy skills are one of the essential competencies of the 21st century, but they remain low among Indonesian students, as demonstrated by national assessments and international studies. This situation demands learning innovations that integrate technology and problem-solving-cantered pedagogical approaches. Purpose: This study aims to develop and evaluate interactive mathematics learning media based on Problem-Based Learning (PBL) to improve students' numeracy skills. Method: This study used the Research and Development method with the ADDIE model, which includes analysis, design, development, implementation, and evaluation. The subjects were eighth-grade junior high school students divided into an experimental class and a control class. The research instruments included an expert validation sheet, a student response questionnaire, and a numeracy test. Data analysis was conducted to test the validity, practicality, and effectiveness of the media, and an independent sample t-test was used to examine differences in learning outcomes. Findings: The results indicate that the developed media is highly valid, practical, and effective. Students using the media showed significantly higher improvements in numeracy skills compared to those in the control class. These findings demonstrate that integrating PBL within interactive media provides meaningful learning experiences and enhances students’ ability to apply mathematical concepts in real-life contexts.
Co-Authors Afif Rizal Ali Mahmudi Amelia, Risna Bambang Sumarno Bambang Sumarno Hadi Marwoto Denanda Rifki Herfian Devinta Melati Rosnadewi Devinta Melati Rosnadewi Dwi Putri Erlinda Saraswati Dwi Putri Erlinda Saraswati Emut Emut Ermitasari . Fadilla Zahira Jihan Mentari Himmawati Puji Lestari Jailani Jailani Khomarudin Fahuzan Khomarudin Fahuzan Moh. Azka Rijal Muhammad Irfan Nisa Fadilah Novalita kusuma Wardhana Nur Hadi Waryanto Nur Insani Nur Insani Nurhadi Waryanto Rofi Amiyani Rudy Prasetyo Sahid Sahid Satriyo Pambudi Sri Andayani Sugiman Sugiman Sunarsih Wahyu Setyaningrum