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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 73 Documents
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PENERAPAN MODEL PEMBELAJARAN NOVICK UNTUK MENINGKATKAN PEMECAHAN MASALAH MATEMATIS SISWA Siregar, Yulia Anita; Lubis, Seri Wahyuni
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.141 KB) | DOI: 10.34007/jdm.v1i1.326

Abstract

The problem in this research is the low ability of students 'problem solving, the low activity of students' mathematics learning, and the low ability of the teacher in managing learning. To overcome these problems, a Novick learning model is applied. This type of research is classroom action research. Where the population of this study was all class 11 IPA-1, totaling 31 students. Data collection techniques in this study were tests and observations. The results of the study can be seen from the test of students' problem-solving abilities in cycle I and cycle II there is an increase of 23.42% and have met the completeness criteria of ≥ 80% with the category "Good". Observation of student activities in cycle I and cycle II there was an increase of 27.8% and had met the completeness criteria of ≥ 80% with the "Good" category. Teacher performance in mathematics learning in cycle I and cycle II there was an increase of 16.6% and had met the completeness criteria of ≥ 80% with the category "Good".
PENERAPAN MODEL PEMBELAJARAN SITUATION-BASED LEARNING TERHADAP PEMAHAMAN MATEMATIS SISWA KELAS X SMA Junedi, Beni; Susanti, Ade
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (565.537 KB) | DOI: 10.34007/jdm.v1i1.159

Abstract

The research aims to find out the students' mathematical understanding using situation-based learning model students of class X IPA, the type of research used is quasi-experimental design research, taking class X IPA 3 as an experimental class and class X IPA 2 as a control class. The technique used in this sampling is cluster random sampling. Research instruments in the form of tests to determine the level of mathematical understanding of students. The data obtained will be analyzed with the hypothesis test t-test. Hypothesis test results obtained a significant value <0.05 which is 0.049 <0.05. Based on these results it was concluded to reject H0 and accept Ha. This means the average student's mathematical understanding ability using the Situation-Based Learning model is better than the average student's mathematical understanding ability using conventional learning.
PERBEDAAN PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS DENGAN PENDEKATAN CONTEXTUAL TEACHING AND LEARNING DI KELAS X SMA NEGERI 2 PEMATANGSIANTAR Winmery Lasma Habeahan
Journal of Didactic Mathematics Vol 1, No 2 (2020): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.203 KB) | DOI: 10.34007/jdm.v1i2.304

Abstract

The purpose of this study was to determine the differences in the improvement of students' mathematical problem-solving abilities with the Contextual Teaching and Learning approach in the material of the two-variable linear equation system in class X SMA Negeri 2 Pematangsiantar. This study used an experimental method with the aim of being in accordance with the previous statement to determine the difference in students' mathematical problem-solving abilities with a contextual approach and an expository approach, with a randomized pretest-posttest control group design. The average increase in problem-solving abilities in the control class was 0.1688 while the increase in problem-solving abilities in the experimental class was 0.0085. By using the t-test (SPSS), with a value of Fcount = 10.907 and a significant level of 0.05, a significant probability is obtained 0.002 <0.05, it can be concluded that there is a difference in normalized gain or an increase in problem-solving ability with conventional and contextual approaches. Based on the average gain of the control and experimental classes, the increase in the control class using the conventional approach is higher than the experimental class with the contextual approach. The difference in increasing problem-solving abilities in conventional classrooms is possible due to differences in students' entry-level abilities, which can be seen in the average pretest of each class.
PENGARUH PENDEKATAN PEMBELAJARAN BERBASIS MASALAH UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS SISWA Nur Rahmi Rizqi; Lilis Arini
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (462.518 KB) | DOI: 10.34007/jdm.v1i1.148

Abstract

This study aims to determine the effect of problem-based learning approaches to improve students' mathematical communication skills. The study was conducted at SMP Negeri 1 Pangkalan Susu in the odd semester of the 2019/2020 school year with a population of all grade VII students and a sample of 30 students. The instrument uses a validated test. Both classes were given a post-test after treatment. Before testing the hypothesis, the requirements are normality test, it turns out that both data are normally distributed and the homogeneity test turns out to be both homogeneous data. From the results of hypothesis testing using the t-test obtained tcount (3.018)> ttable (1.671) where Ha is received. From the determination test results obtained 13.6% while 86.4% influenced by other factors. This means that there is an influence of the use of problem-based learning on mathematical communication skills of students of SMP Negeri 1 Pangkalan Susu.
ANALISIS KESULITAN BELAJAR SISWA DALAM MEMPELAJARI ALJABAR PADA KELAS VIII SMP NEGERI 2 KERINCI Rukhmana, Trisna
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.885 KB) | DOI: 10.34007/jdm.v1i1.160

Abstract

This study aims to determine the location of the difficulties that cause difficulties in learning algebra in class VIII SMP Negeri 2 Kerinci. This study uses a qualitative method with a population of all eighth-grade students of SMP Negeri 2 Kerinci. The sample of this study was 9 students of class VIII A and 9 students of class VIII B selected through sampling techniques. The sampling technique used is using a nonprobability sampling technique that is a purposive sample. Data obtained from tests and interviews. The data analysis technique is data reduction and data presentation.
MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA DENGAN MENGGUNAKAN MODEL PEMBELAJARAN ASURANCE, RELEVANCE, INTEREST, ASSESMENT, SATISFACTION Putri Sri Mahyuni Lubis; Fitriani Fitriani; Nur Sahara
Journal of Didactic Mathematics Vol 1, No 2 (2020): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (509.85 KB) | DOI: 10.34007/jdm.v1i2.314

Abstract

The problem in this study is the low ability of students to solve mathematical problems. To solve this problem, the researchers used the ARIAS model. As for the purpose of this study is to improve students' mathematical problem-solving abilities, increase student activity, improve teacher teaching abilities through the ARIAS learning model. This type of research is classroom action research. The results of the research the problem-solving ability of the first cycle was 56% and 88% in the second cycle increased by 32%. The level of student activity towards mathematics increased, this was obtained by a percentage of 62% in cycle I, and 85% in cycle II increased by 23%. The teacher's ability to manage to learn was 56% in cycle I and 94% in cycle II, with an increase of 38%. The author concluded that students 'mathematical problem-solving abilities, student learning activities, and teachers' ability to manage learning increased in class X MIA-1 SMA Negeri 1 Padang Bolak.
PERBEDAAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA YANG DIAJAR DENGAN MODEL KOOPERATIF TIPE NUMBERED HEAD TOGETHER DAN STUDENT TEAMS ACHIEVEMENT DIVISION Tambunan, Mardiah; Siahaan, Sahat
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.586 KB) | DOI: 10.34007/jdm.v1i1.149

Abstract

This study aims to determine differences in the ability to solve mathematical problems, in the class applied cooperative learning numbered head together and the student team achievement division. The ability to solve mathematical problems in terms of four aspects including understanding, planning, solving, and evaluating. The sample was chosen randomly from 12 classes to 2 classes. The two classes will be given different treatments. The data used for data analysis are pre-test data and post-test data. After testing these data, normality and homogeneity are stated. The results of hypothesis testing with a significance level, dk = n1 + n2 - 2 = 74, and ttable = 1.9953 obtained tcount = 4.433 so that -1.9953 <tcount> 1.9953. Thus H0 is rejected, which means that there are differences in the mathematical problem-solving abilities of students taught by using the NHT type cooperative model and by using the STAD type cooperative model in algebra material in class VII of the Pahlawan Nasional Middle School of Medan.
Pengaruh pembelajaran think-talk-write terhadap kemampuan komunikasi matematik dan sikap positif siswa terhadap matematika Habeahan, Winmery Lasma; Sitio, Hetdy; Wahyuni, Fitry
Journal of Didactic Mathematics Vol 2, No 1 (2021): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v2i1.619

Abstract

The purpose of this study was to determine whether the mathematical communication skills and attitudes of students who were taught with the Think-Talk-Write (TTW) strategy were better than conventional learning. This research is a quasi-experimental research which compares two learning models, namely the TTW cooperative learning model and the conventional learning model. This research was conducted on students of class VII SMPS Mentari Bangsa Medan, which consisted of 2 classes. This study involved two variables, namely the independent variable and the dependent variable. The independent variable is the TTW and KAM learning strategy, while the dependent variable is the mathematical communication skills and attitudes of students towards learning. The sample consist of 42 students for TTW strategy and 37 students for conventional learning. The conclusion is that students who get learning with the TTW strategy have significantly better mathematical communication skills than students who get conventional learning (tcount = 4,93 more than ttable =1,66) and the attitudes of students who get learning with the TTW strategy are significantly better than students who get conventional learning (tcount = 3,14 more than ttable = 1,66).
PENERAPAN MULTIPLE INTELLIGENCE DALAM PEMBELAJARAN MATEMATIKA: ANALISIS PADA KECERDASAN MUSIK Suwanto Suwanto; Ade Evi Fatimah; Fitriani Fitriani
Journal of Didactic Mathematics Vol 1, No 3 (2020): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v1i3.445

Abstract

Less optimal musical intelligence in students and improper application in mathematics learning is the basis for the preparation of articles. The misunderstanding of applying musical intelligence is quite alarming, for example when students learn to listen to music, they actually don't use their musical intelligence to learn or change their behavior. In this condition, music has a role in arousing motivation, memory and reflexes to learn, not using musical intelligence to learn. The preparation of this article uses the literature review method with the keywords musical intelligence (musical intelligence), learning and learning mathematics in books and journals indexed by Googles choolar. The application of musical intelligence in mathematics learning requires careful consideration and expertise in designing learning to be carried out. Some examples of using musical intelligence in learning mathematics include converting notes into numbers, solving math problems related to scales, designing memorization of mathematical formulas in the form of chants that are fun for students.
Analisis kesalahan siswa kelas X agribisnis tanaman perkebunan SMK Negeri 1 Batang Gansal dalam menyelesaikan soal matriks Ramadhani, Fitri; Saraswati, Mellyani
Journal of Didactic Mathematics Vol 2, No 1 (2021): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v2i1.580

Abstract

SMK N 1 Batang Gansal’s students have difficulty learning the matrix material. This can be seen from the result of students who get test scores below score 60. Especially in class x agribusiness plantations 1 with the percentage of daily test scores below score 60, which is 82.6%. Therefore, an analysis is needed to determine the types of errors that students tend to make in solving matrix problems. In this study, data collection was carried out using test and questionnaire methods, with data analysis using descriptive statistics. Based on the data analysis, it was concluded that the mistakes made by students in solving matrix problems were concept errors, principal errors and operational errors, with a tendency for errors in conceptual errors. The causes of errors are not understanding the concepts of matrix material, not listening when the teacher explains the material, not having complete notes or a summary of the matrix material, and not studying the matrix material at home, and not practicing working on various matrix questions so that they are unable to use formulas. matrix well.

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