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Journal : M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika

Exploration of The Didactic Situation of Linear Equations in SMP Suci Murni Medan Nilam Sari
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 2 (2023): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v8i2.426

Abstract

One way to design good learning is to pay attention to the possibility of the learning flow that will occur in the classroom and the possible processes that students will go through, then make up what the teacher should do when this happens. These possibilities are also called the hypothetical learning trajectory. In this study focused on the design of mathematics learning on the material system of two-variable linear equations in grade VIII junior high school involving one class of 18 people. The instruments used were tests and non-tests. This study aims to explore pedagogical phenomena to formulate alternative learning designs for linear equations through problem-based learning. Perspectives and pedagogical encouragement about teaching mathematics during the learning process are reflected in the deepest thoughts and emotions of students and teachers. The research method uses a qualitative type of didactical design research, which is a type of learning design research where learning designs can be formulated from several perspectives, namely the theory of learning trajectories and their obstacles and learning situations during the learning process. The stages carried out in this research are: 1) introduction and analysis of the problem; 2) analysing the curriculum related to the mathematics textbooks used; 3) Identify the characteristics of learning obstacles and learning barriers; 4) identify didactic situations during learning.The results of the research yielded the characteristics of learning trajectories and learning obstacles, which were used as the basis for the pedagogical situation of learning linear equation material through exploratory problem-based learning.
Design Research to Learn Mathematics: A Study on The Effect of Problem-Solving Ability on The Creative Attitude of Junior High School Students Nilam Sari; Saragih, Sahat; Napitupulu, E. Elvis
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 11 No. 1 (2026): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v11i1.1101

Abstract

This study examines the background of problem-solving ability and creative attitudes among junior high school students, highlighting their importance in fostering innovation and critical thinking in mathematics education. The purpose of this study is to analyze the influence of problem-solving ability on students' creative attitudes. The classroom process is a learning process that develops local instructional theories for the material of systems of linear equations in two variables. The quantitative study aims to assess the influence of problem-solving ability on students' creative attitudes. This study involved 24 junior high school students in Medan as a sample. The instruments used were a validated problem-solving ability test and a validated creative attitude scale. The results showed that problem-solving ability has a significant positive effect on students' creative attitudes, with a regression coefficient of 0.951, indicating that greater problem-solving ability is associated with stronger creative attitudes. The coefficient of determination (R² = 0.597) indicates that 59.7% of the variation in students' creative attitudes is due to problem-solving ability. In contrast, friendship (40.3%) is due to other factors not examined in this study. These findings suggest that problem-solving ability is a key factor in developing creative attitudes. This study highlights the need to integrate problem-solving ability into the educational curriculum to foster students' creative attitudes. Future research should consider using a larger sample size.