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Journal : MEJ (Mathematics Education Journal)

Analysis of Junior High School Student’s Errors in Solving Mathematical Connection Problems on Quadrilateral Topics Hanne Ayuningtias Elsa; Suhendra Suhendra
Mathematics Education Journal Vol. 6 No. 1 (2022): MEJ Vol 6 No.1
Publisher : Department of Mathematics Education University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mej.v6i1.19427

Abstract

Mathematical connection is one of the abilities that need to be possessed by students because it can help students in obtaining meaningful knowledge. However, there are still some junior high school students who have difficulty in solving problems related to mathematical connections on quadrilateral topics, thus allowing errors to occur. The purpose of this study was to obtain a description of the errors of junior high school students in solving mathematical connection problems on quadrilateral topics. This type of research is qualitative research with a case study design. This research was conducted by giving mathematical connection test questions to class VIII junior high school students consisting of three essay questions on quadrilateral topics and the topic of broad expansion in science lessons, as well as conducting interviews with nine selected students. The results showed that there were four types of errors made by students based on Newman's Error Analysis, namely eight answers to problem understanding errors, nine answers to transformation errors, 15 answers to process skills errors, and six answers to writing answer errors. Keywords: errors, mathematical connection, Newman’s Error Analysis, quadrilateral
Model Problem-Based Learning for Improving Student’s Mathematical Competence: Systematic Literature Review M. Azhari Panjaitan; Suhendra Suhendra
Mathematics Education Journal Vol. 6 No. 2 (2022): MEJ Vol 6 No.2
Publisher : Department of Mathematics Education University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mej.v6i2.21462

Abstract

Improving students' mathematical competence such as problem-solving skills, mathematical communication, reasoning, and others can use the Problem Based Learning model. This study aims to analyze the impact of the Problem Based Learning model in improving the mathematical competence of students from primary school, junior high, and senior high school levels. The research method used is Systematic Literature Review (SLR). The sample comprises 17 research results on the PBL model in improving students' mathematical competence (concept understanding, problem-solving, and communication skills). The sample comes from indexed journals from the period 2012-2019. The key research question is how PBL influences students' mathematical competence based on the year of school, level of study, research location, and sample size. The SLR method can find an increase in the number of eight-year studies. The results showed that communication skills and understanding of mathematical concepts dominated research results in improving mathematical abilities through problem-based learning models. Most of the research was conducted at the junior high school level outside Java, with a sample size of 30 people or more. Based on the results of the review, the study’s conclusion proves the influence of the Problem Based Learning (PBL) model on students' mathematical competence.