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All Journal Progressive of Cognitive and Ability Indonesian journal of teaching and learning International Journal of Applied Learning and Research in Algebra
Parindang, Edwin Amanu
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Education Languange, Linguistic, Communication & Media Mathematics Other

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Analisis Kesulitan Siswa SMP Dalam Menyelesaikan Soal Geometri Bangun Ruang Sisi Datar Parindang, Edwin Amanu; Yuspelto, Nabil Maulana; Ramlan, Wahyudi; Angraini, Lilis Marina
Progressive of Cognitive and Ability Vol. 3 No. 3 (2024)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/jpr.v3i3.1035

Abstract

This study aims to analyze the difficulties students face in solving geometry problems related to polyhedral shapes. The indicators used in this study are competency achievement indicators. The research method employed is descriptive with a quantitative approach. Data collection techniques involved administering essay tests to students, followed by correction and analysis of their answers. The research was conducted at SMP Negeri 1 Tualang with eighth-grade students during the second semester of the 2023/2024 academic year. The study population consisted of eighth-grade students, with a sample of 25 students. The researcher used an essay test as an instrument to gather data. The test results were analyzed by measuring the percentage of each indicator. The test instrument comprised five essay questions. The results showed that students at the school still experience difficulties in solving problems related to polyhedral shapes.
The Effect of Problem-Based Learning Model on Students' Mathematical Problem-Solving Ability SMP Negeri 2 Bandar Petalangan Parindang, Edwin Amanu; Abdurrahman, Abdurrahman
Indonesian Journal of Teaching and Learning Vol. 4 No. 2 (2025)
Publisher : Edupedia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/intel.v4i2.1446

Abstract

This study aims to determine the effect of the Problem-Based Learning model on the mathematical problem-solving ability. This study is a quantitative study with a quasi-experimental research type and a non-equivalent control group design. The population in this study was all students of class VIII of SMP Negeri 2 Bandar Petalangan, while the sample in this study amounted to 40 students, consisting of 2 classes, with a saturated sampling technique, meaning that all members of the population were used as samples. Data were collected using test sheets by conducting pretests and posttests, then analyzed using descriptive statistical analysis techniques and inferential statistical analysis with the SPSS program. The results showed that the Problem-Based Learning model had a significant effect on students' mathematical problem-solving abilities, with a Sig. value of 0,014 (0,014 <0,05). So it can be concluded that there is a significant influence of the Problem-Based Learning model on the Mathematical Problem-Solving Ability.
Identification of Junior High School Students' Mathematical Problem Solving Abilities on Number Patterns Parindang, Edwin Amanu; Ramlan, Wahyudi; Wahyuni, Reni; Salman , Muhammad
International Journal of Applied Learning and Research in Algebra Vol. 2 No. 2 (2025)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/algebra.v2i2.1487

Abstract

This study aims to analyse the mathematical problem-solving abilities of middle school students in the context of number patterns. Using a descriptive qualitative method, the research was conducted on eighth-grade students at SMP Negeri 3 Tualang. The instruments used included problem-solving tests in the form of essay questions and interviews. Subjects were selected using purposive sampling, consisting of 6 students with varying abilities (high, medium, low). The results show that students have varying abilities in four problem-solving indicators: understanding the problem (50% - medium), planning the solution (8.33% - very low), solving the problem (100% - very high), and reviewing the solution (25% - low). The data indicates that while students are capable of solving problems and understanding the questions, they struggle with planning solutions and reviewing their answers. It is recommended to enhance teaching strategies with more flexible approaches, such as problem-based learning (PBL), to improve students' mathematical problem-solving skills.
Co-Authors Abdurahman Abdurrahman Lilis Marina Angraini Ramlan, Wahyudi Salman , Muhammad Wahyuni, Reni Yuspelto, Nabil Maulana