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Journal of Didactic Mathematics
Published by Mahesa Research Center
ISSN : -     EISSN : 27215601     DOI : 10.34007/jdm.v1i1
Core Subject : Education,
Education Mathematics
Journal of Didactic Mathematics is published three times a year, in April, August and December. This journal is providing a platform that welcomes and acknowledges high quality empirical original research papers about mathematics education, mathematical didactic, mathematics learning, and school mathematics written by researchers, academicians, professionals, and practitioners.
Arjuna Subject : Matematika - Analisis
Articles 118 Documents
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Upaya meningkatkan motivasi dan hasil belajar matematik siswa melalui model pembelajaran project-based learning Nur Hasanah; Marzuki Marzuki; Irfan Rusmar; Hamdani Hamdani
Journal of Didactic Mathematics Vol 4, No 2 (2023): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i2.1793

Abstract

In the era of globalization education is very important, because education can create human beings who are of high quality, character, and have broad insights. The purpose of this study was to find out that the use of project-based learning models can increase motivation and student learning outcomes in fraction material in class V of Elementary School (SD). This research is classroom action research conducted through 2 cycles using the spiral model by C. Kemmis and MC. Taggart. The subjects in this study were fifth grade elementary school students with a total of 24 students. The data collection technique uses a comparative descriptive method by comparing the results before the action is given, namely, the pre-cycle until the action is completed. In the pre-cycle stage, the percentage of students' learning motivation was obtained by 29.1% in the medium category, 70.8% in the low category and for the high category at this pre-cycle stage, 0%. Then gradually in cycle 1 it increased to 33.3% in the high category, 45.8% in the medium, and 20.8% in the low category. Finally, in cycle 2, there was a significant increase in the high category, namely 83.3%, medium 12.5%, and 4.1% low category. The increase in students' learning motivation also affected their learning outcomes, where in the pre-cycle the percentage was 41.6%, and it experienced a gradual increase in cycle 1 with a percentage of 66.6%. Phase 2 cycle also increased with a percentage of 83.3%. In conclusion, using the project-based learning model can support student learning activities in increasing motivation, and students' mathematical learning outcomes in the subject of fractions in elementary school.
Peningkatan hasil belajar matematika siswa dengan menerapkan model pembelajaran project-based learning melalui lesson study Nopyta Intan Sari; Saiful Rahman; Shahibul Ahyan
Journal of Didactic Mathematics Vol 4, No 2 (2023): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i2.1853

Abstract

The learning outcomes of students who are under the minimum completeness criteria (KKM) in mathematics. One of the factors that can affect learning outcomes is the learning model used. The purpose of this study is to apply to improve student learning outcomes by a project-based learning model with the window shopping method through lesson study. The research method used is classroom action research through lesson study with quantitative descriptive data analysis. The data collection in this study used test instruments in the form of multiple choices and descriptions. The results of the study show that by applying the project-based learning model, student learning outcomes increase, as can be seen from the changes in the mastery of classical learning from 14.7% to 79.41%.
Kemampuan pemecahan masalah matematis ditinjau dari self-efficacy: Studi korelasional Fitry Wahyuni; Muhammad Daut Siagian; Ade Evi Fatimah
Journal of Didactic Mathematics Vol 4, No 2 (2023): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i2.1902

Abstract

Problem-solving is one of the mathematical skills needed by students and plays an important role in helping them achieve conceptual understanding in learning mathematics. On the other hand, self-efficacy is also important because it relates to a person's belief in his ability to complete a task or achieve a goal. Based on this, this study aims to examine the relationship between self-efficacy and problem-solving abilities. To achieve the research objectives, the quantitative correlational method was used in this study. Data collection used a survey method to obtain data self-efficacy and students' mathematical problem-solving abilities. Data analysis was performed using inferential statistical analysis to prove the research hypothesis. Hypothesis testing includes analysis of correlation, regression, and coefficients of determination. Based on the results of the study, it can be concluded that there is a moderately positive relationship between self-efficacy and problem-solving abilities. where self-efficacy contributes to problem-solving abilities by 27.8%.
Improving the ability to understand mathematical concepts and achievement of self-determination of elementary school students using realistic mathematics education approach Samura, Asri Ode; Siagian, Muhammad Daut
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1914

Abstract

This study examines the differences in the increase in the ability to understand mathematical concepts and the achievement of students' self-determination using the RME approach. Quantitative research method by way of the experiment using "nonequivalent control-group design." The research sample amounted to 81 people. The instrument used is in the form of an essay test. Data obtained from the pretest and posttest were analyzed using descriptive and inferential statistics. The results obtained; The RME technique has a very high impact on the category's ability to comprehend mathematical ideas and attain self-determination. The RME method can help primary school children gain self-determination and increase their understanding of mathematical ideas. Students who learn to use the RME technique and students who learn to use conventional learning have different increases in their capacity to understand mathematical topics. There is no difference in self-determination between students who learn to use the RME approach and those who use conventional learning.
Analisis kemampuan pemecahan masalah dan self-efficacy menggunakan model problem-based learning di SMK Negeri 1 Patumbak Rahmadani, Rizki; Nurdalilah, Nurdalilah
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1968

Abstract

The purpose of the research conducted by the author was to describe problem-solving abilities and self-efficacy using the problem-based learning model conducted in class X students of SMK Negeri 1 Patumbak on statistics. The type of research used in this research is qualitative research with a descriptive approach. In this study, data was collected through the administration of problem-solving written tests, questionnaires and interviews. The results of this study are that after applying the problem-based learning learning model conducted in class X PPLG 1 SMK Negeri 1 Patumbak it has a good impact on problem-solving abilities and students' self-efficacy in statistical material, the percentage results in problem-solving abilities are 91.94% with very high category , then on students' self-efficacy after applying the problem-based learning model is 80,24% with a very strong category, and students show good responses to problem-based learning with an average of 80,83%. After applying the problem-based learning model to statistics mathematics learning material can make students' self-efficacy better and stronger, the problem-based learning model is very good to use in mathematics learning statistics material.
Pengaruh penggunaan media sosial youtube terhadap motivasi belajar matematika dan self-efficacy siswa menggunakan kurikulum merdeka belajar pada siswa kelas X di SMK Negeri Kota Medan Saragih, Jenri Hamonangan; Panjaitan, Dedy Juliandri
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1862

Abstract

A curriculum is a plan that guides teaching and learning process activities. The Merdeka Curriculum is a curriculum with diverse extracurricular learning where the content will be more optimal so that students have enough time to deepen concepts and strengthen competencies. This research aims to measure whether there is an influence of YouTube learning media on students' mathematics learning motivation and self-efficacy. This research was conducted using a mixed method by providing questionnaires and instrument questions to research subjects using multiple regression analysis tests. The research results show that there is an influence of using YouTube learning media on student learning motivation by 57.9% and the influence of using YouTube learning media on student self-efficacy is 46.6%. There is an influence of using YouTube learning media on student learning motivation and self-efficacy. is 63.2%.
Analisis kemampuan berpikir kritis peserta didik ditinjau dari self-confidence Nugraha, Khansa Zalikha; Widiati, Indah
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1979

Abstract

Students' critical thinking abilities which are still low need to be developed and one of the abilities that must be instilled in students is self-confidence. This research aims to describe students' mathematical critical thinking abilities in terms of self-confidence. The type of research used in this research is qualitative research with a case study method. The research subjects were 9th-grade students at one of the junior high schools in Siak Hulu and numbered 33 people. The data collection technique in this research is a test technique using mathematical critical thinking ability test instruments and non-test techniques in the form of student self-confidence questionnaires and interviews. The data analysis technique is carried out through several stages, including reducing data, presenting data, and drawing conclusions. Based on the research results, it was found that; (1) overall students' mathematical critical thinking abilities are classified as less critical and need to be improved; (2) self-confidence is in line with mathematical critical thinking skills where students with high self-confidence have sufficient critical thinking skills which are indicated by students being able to master two indicators of critical thinking. Students with moderate self-confidence have sufficient critical thinking skills, which is indicated by students being able to master two critical thinking indicators. In contrast, students with low self-confidence have sufficient critical thinking skills, which is indicated by students being able to master two critical thinking indicators.
Studi transposisi didaktik terhadap mahasiswa calon guru matematika: Tinjauan pada konteks knowledge to be taught dalam konsep turunan Prihandhika, Aditya; Fatimah, Ade Evi; Sujata, Tatang
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1966

Abstract

The concept of derivatives is an important concept in the field of Calculus to be studied and taught at school and university levels. However, understanding derived concepts that do not fully involve the meaning of various representations has the potential to trigger a combination of concept descriptions with formal concept definitions as well as learning challenges or learning obstacles in epistemological, ontogenic and also didactic aspects. Therefore, the research carried out aims to observe the context of the knowledge that will be taught as one of a series of didactic transposition processes in order to obtain transpositional knowledge that is relevant to be taught. The research method used is qualitative research with a hermeneutic phenomenological approach. The participants involved in the research were 38 students who were prospective mathematics teachers from one of the universities in West Java. The research results show that there are inaccuracies in the presentation of ideas and concepts related to the knowledge to be taught, especially in the definition of derivative concepts. The mismatch between formal concept definitions and participant concept descriptions in learning by referring to mathematics textbooks which are used as the main reference results in learning obstacles for the subjects so that there is a need for repersonalization and recontextualization as an effort to produce more meaningful knowledge.
Kemampuan berpikir kreatif matematika siswa melalui pendekatan contextual teaching and learning Ahmad, Marzuki; Rohani, Rohani
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.1932

Abstract

This study aims to describe the improvement of students' Mathematical Creative Thinking Ability (MCTA) in learning mathematics with the Contextual Teaching and Learning (CTL) approach. So that the goals that have been set can be achieved, quasi-experimental research is carried out with the design of the Nonequivalent Control Group Design. The population of this research is the students of class X SMA Negeri 2 Padangsidimpuan. The research sample was taken using a purposive sampling technique, namely class X MIA 3 for the experimental group and MIA 4 for the control group. The research carried out showed that the results of the MCTA students through the Independent Samples Test obtained a significance level of 0.00 <0.05. This means that there is a significant average difference between the increase in the MCTA of the experimental group students and the control group. Furthermore, the average value of the N-gain score for the experimental group is 0.41 and the control group is 0.29. This means that the improvement of students' MCTA through the CTL approach is better than learning with the conventional approach. Furthermore, with two-way ANOVA analysis, obtained a significance level of 0.196> 0.05. This means that there is no interaction with initial abilities with the learning approach in improving students' MCTA.
Optimizing students’ mathematical problem-solving abilities through geoboard-assisted didactic design on triangular number pattern material Isnawan, Muhamad Galang; Sudirman, Sudirman; Sukarma, I Ketut; Wahyuni, Fitry; Alsulami, Naif Mastoor
Journal of Didactic Mathematics Vol 4, No 3 (2023): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v4i3.2073

Abstract

The research aimed to optimize students’ mathematical solving abilities through the implementation of a didactic design developed based on lesson study activities on triangular number patterns. The research design used was didactical design research. Participants in the study were 10 students (12–15 years old) at a junior high school in Mataram, Indonesia. The researcher was the main instrument, with several additional instruments, one of which was the didactic hypothesis design. The data were analyzed using qualitative analysis. The research results revealed an increase in students’ mathematical problem-solving abilities during the implementation of didactic design on triangular number pattern material. However, the increase that occurred was less than optimal. This increase resulted from the didactic design encouraging students to use Quizizz, geoboards, and inspirational videos to solve problems. However, when watching inspirational videos and Quizizz, there were problems, such as an unstable internet connection, so activities that should have been done in groups were done collectively for one class.

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