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Journal : Jurnal Karya Pendidikan Matematika

PENGEMBANGAN LKPD BERBASIS PBL DENGAN LANGKAH POLYA UNTUK MEMBANTU SISWA MENYELESAIKAN MASALAH PROGRAM LINIER Siti Farisma; Yudi Yunika Putra; Fitri Apriani
Jurnal Karya Pendidikan Matematika Vol 10, No 1 (2023): Jurnal Karya Pendidikan Matematika Volume 10 Nomor 1 Tahun 2023
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jkpm.10.1.2023.59-70

Abstract

This paper focuses on the development of valid, practicable, and effectively developed LKPD based on the PBL learning model and Polya's problem-solving steps. This research is a 4D model of R&D with the implementation of definition, design, development, and dissemination stages. This research was implemented in a senior high school in Pemali Sub-district with the research subjects being six eleventh-grade students of the Social Studies-3 department for the small group trial and thirty-four eleventh-grade students of the Social Studies-4 department for the large group trial. The method of data gathering used was by conducting interviews, completing questionnaires, and taking written tests. The techniques of data analyzed were descriptively qualitative for the interviews and measurable quantitative for the questionnaires and written tests. The outcome of the data analysis revealed that the LKPD's average validity was 86.67 points with the most highly valid criteria, the practice of LKPD was 89.17 points with the most practical criteria, and the average normalized gain value (N-gain) of LKPD was 0.55 points with the interpretation of the medium effectiveness. In conclusion, PBL-based LKPD with the steps of Polya meets the criteria for developing teaching materials and can help students in solving Linear Program problems.
PENGEMBANGAN E-MODUL BERBASIS MODEL PEMBELAJARAN CREATIVE PROBLEM SOLVING (CPS) PADA MATERI SPLDV TERHADAP KEMAMPUAN PEMECAHAN MASALAH Lathifah, Miskatul; Putra, Yudi Yunika; Lathiifah, Iis Juniati
Jurnal Karya Pendidikan Matematika Vol 11, No 1 (2024): Jurnal Karya Pendidikan Matematika Volume 11 Nomor 1 Tahun 2024
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jkpm.11.1.2024.101-115

Abstract

This research aims to produce the characteristics of e-modules based on the creative problem solving (CPS) learning model on SPLDV material on valid, practical problem solving abilities, as well as to determine the potential effects of using e-modules based on the creative problem solving (CPS) learning model on the material. SPLDV on problem solving abilities. This type of research is the Research and Development (R&D) method using the ADDIE (Analyze, Design, Development, Implementation, Evaluation) development model. The subjects of this research involved students in class VIII of one of the state junior high schools in Airgegas for one to one trials, totaling 3 students in class VIII4, small group trials, totaling 9 students in class VIII4, field trials, totaling 21 participants. class VIII4 students, and a pilot test consisting of 30 class VIII2 students. Data collection techniques were carried out by means of interviews, questionnaires and tests (pretest and posttest). The data analysis techniques used are qualitative descriptive and quantitative descriptive. This research produces characteristics of an e-module based on a creative problem solving (CPS) learning model that is valid and practical, and has a potential effect on students' problem solving abilities.