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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal PEKA (Pendidikan Matematika) Jurnal Math-UMB.EDU EMTEKA: Jurnal Pendidikan Matematika Journal Of Human And Education (JAHE) JIMAKUKERTA Jurnal Pengabdian Masyarakat Mandira Cendikia (JPKM-MC)
Risnanosanti
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Social Sciences Other

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Journal : Jurnal Math-UMB.EDU

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VALIDITY AND PRACTICALITY OF ENGINEERING DESIGN THINKING-BASED STUDENT WORKSHEETS: Bengkulu, Indonesia Sukma Lestari; Masri; Risnanosanti
Jurnal Math-UMB.EDU Vol. 13 No. 2 (2026): MARCH
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/math-umb.edu.v13i2.10134

Abstract

This study aims to determine the validity and practicality of Engineering Design Thinking (EDT)-based Student Worksheets (LKPD). The research employed a development research method using three of the four stages in the 4D (Four-D) development model, namely define, design, and develop. The research subjects consisted of one teacher and 29 students in the implementation class. The instruments used included expert validation sheets and practicality questionnaires. The results showed that the validity score of the LKPD reached 88.61%, which falls into the "very valid" category. The practicality score based on the teacher's assessment averaged 87.5%, while the students assessment averaged 85.3%, indicating a high level of practicality. Therefore, it can be concluded that the developed Engineering Design Thinking-based LKPD meets the criteria of being valid and practical for use in the learning process. Keywords: Student Worksheets (LKPD), Engineering Design Thinking (EDT), Validity, Practicality.
MATHEMATICAL PROBLEM-SOLVING SKILLS AND STUDENTS' LEARNING INDEPENDENCE THROUGH PMRI BASED ON ENGINEERING DESIGN THINKING: Bengkulu, Indonesia Leni Pitriyani; Risnanosanti; Ristontowi; Rahmat Jumri; Adi Asmara
Jurnal Math-UMB.EDU Vol. 13 No. 2 (2026): MARCH
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/math-umb.edu.v13i2.10135

Abstract

This study aims to observe the differences in students' mathematical problem-solving abilities and learning independence in learning with the Indonesian Realistic Mathematics Education (PMRI) approach based on Engineering Design Thinking (EDT), the Indonesian Realistic Mathematics Education (PMRI) approach, and conventional learning. This study is a quasi-experimental study with a pretest–posttest control group design. The study population was all seventh-grade students of SMP Negeri 7 Bengkulu City in the 2025/2026 academic year. Data analysis was carried out using one-way ANOVA. The results showed that there were significant differences in students' mathematical problem-solving abilities taught with the PMRI approach based on EDT, PMRI, and conventional learning (F = 3.629; p = 0.031 < 0.05). The average posttest of students' mathematical problem-solving abilities in the PMRI class based on Engineering Design Thinking was 28.75, the PMRI class was 26.84, and the conventional learning class was 24.42. In addition, there was a significant difference in student learning independence between the three learning groups (F = 3.734; p = 0.029 < 0.05). The average student learning independence in the EDT-based PMRI class was 73.94, higher than the PMRI class (68.95) and the conventional learning class (68.13). Based on these results, EDT-based PMRI learning is more effective in improving students' mathematical problem-solving abilities and learning independence. Keywords: PMRI, Engineering Design Thinking (EDT), Mathematical Problem Solving Ability, Learning Independence.
Co-Authors Adi Asmara Bahasa Indonesia Bahasa Indonesia, Bahasa Indonesia DWI FAJARINI, SRI Ferasinta Fina Oktavia Firmania, Deya Fitriani, Apriza Gusvira Annisa, Kerin Kashardi Khaliq, Saddam Kusuma Wijaya, Andri Leni Pitriyani Masri Rahmat Jumri Ramayana, Erliya Ristontowi, Ristontowi Romadhona Kusuma Yudha Sukma Lestari Syofiana, Mardiah Titasni Yudho Wirawan