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Contact Name
Muhammad Daut Siagian
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mdsiagian@gmail.com
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+6282277290216
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mdsiagian@gmail.com
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Perum.Griya Nafisa 2, Blok A No.10, Jl.Benteng Hilir/Titi Sewa, Bandar Khalipah Percut Sei Tuan, Deli Serdang 20371
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INDONESIA
Journal of Didactic Mathematics
Published by Mahesa Research Center
ISSN : -     EISSN : 27215601     DOI : 10.34007/jdm.v1i1
Core Subject : Education,
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 57 Documents
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE JIGSAW UNTUK MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP SISWA PADA POKOK BAHASAN KUBUS DAN BALOK DI KELAS VIII SMP BHAYANGKARI MEDAN Nurmala Hayati
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 (542.447 KB) | DOI: 10.34007/jdm.v1i1.145

Abstract

This research is in the form of Classroom Action Research (CAR). The subjects in this study were students of class VIII-I of Bhayangkari Medan Middle School and the number of subjects in this class were 40 students. The instrument used to measure students' concept comprehension ability was in the form of filling, with validation and reliability coefficients of the instrument (0.852) for concept comprehension abilities, then the instruments used were observation sheets. The results of the study in the first cycle were obtained as follows: (1) the average understanding of the concept of students 63.90, (2) the percentage of teacher mastery in learning was only 67.85% and (3) students who achieved completeness were only 56.25%. Then proceed to the second cycle, so the results obtained in the second cycle are as follows: (1) the average ability of students' understanding of concepts is achieved as expected by 79.4, (2) the percentage of teacher mastery is also in accordance with the target of 89.75 and (3 ) the percentage of students completeness was 83.75%. Based on the results of the second cycle each aspect has met the minimum completeness criteria so that research is not continued in the next cycle.
UPAYA PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA MELALUI PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING PADA MATERI PELUANG KELAS XI SMA NEGERI 21 MEDAN Indriyani Indriyani; Suwanto Suwanto
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 (567.392 KB) | DOI: 10.34007/jdm.v1i1.146

Abstract

This research is a classroom action research, which aims to look at students' mathematical problem-solving abilities and student mathematics learning outcomes by applying the Contextual Teaching and Learning model in class XI IPA-1 SMA Negeri 21 Medan. The research subjects were 35 students. At the beginning of the study, observations were made to find out the weaknesses of students and the problems faced when teaching and learning activities took place. In addition to the data of mathematical problem-solving abilities that were analyzed, student learning activities were also analyzed. Based on the research results obtained observations in the first cycle; writing/reading (35.67%), working on student worksheets (23.33%), asking fellow friends (22%), asking teachers (12.33%), and activities not relevant to teaching and learning activities (6.67%). In the second cycle obtained writing/reading (28.3%), working on student worksheets (28%), asking fellow friends (24%), asking teachers (18.7%), and activities not relevant to teaching and learning activities (1%). The results for classical completeness obtained in the first cycle of 62.9%, but in the second cycle of 85.7%.
PENGARUH PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE TERHADAP KEMAMPUAN REPRESENTASI MATEMATIS SISWA Astriani, Nurullita; Dhana, Muhammad Bayu Al
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 (466.787 KB) | DOI: 10.34007/jdm.v1i1.147

Abstract

This study aims to determine the effect of think pair share type of cooperative learning on students' mathematical representation abilities. This research is a quasi-experimental research. The population in this study were all eighth-grade students of SMP Negeri 1 Pangkalan Susu. The samples in this study were 2 classes, namely class VIII-1 which was used as an experimental class and class VIII-2 was used as a control class. The instrument used was a test in the form of a description of the material Relations and Functions. From testing the hypothesis obtained tcount (2.135) > ttable (1.6715) means that Ho is rejected and Ha is accepted. This shows the influence of think pair share type of cooperative learning on students' mathematical representation ability.
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.
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.
UPAYA PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MTS MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE STAD Fatimah, Ade Evi
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 (511.84 KB) | DOI: 10.34007/jdm.v1i1.156

Abstract

The purpose of this study is to improve the mathematical problem-solving ability of students in class VII-1 MTs Islamiyah Medan through the STAD type cooperative learning model. This research is a Class Action Research (CAR). The subjects of this study were 40 students of grade VII-1 MTs Islamiyah Medan. The object in this study is to improve students' mathematical problem-solving abilities through the STAD Type Cooperative learning model on the subject of rectangular flat shapes. This research instrument uses tests of mathematical problem-solving abilities, observation, and interviews. Based on the preliminary results of the interviews conducted with the mathematics teacher, it was obtained that the mathematical problem-solving ability of students in class VII-1 MTs Islamiyah Medan was still not optimal. From the data obtained only 17.5% of students met the mathematical problem-solving ability criteria. This research was conducted in two cycles by providing treatment using STAD learning. Based on the results of data analysis students' mathematical problem-solving abilities in the first cycle obtained that 70% of students meet the criteria. But because it has not reached 85% completeness then continued with the second cycle. In the second cycle, 90% of students who met the criteria of mathematical problem-solving ability were obtained. The conclusion of this study is an increase in students' mathematical problem-solving abilities from cycle I to cycle II.
PENCAPAIAN PEDAGOGICAL CONTENT KNOWLEDGE MELALUI PEMBELAJARAN MATEMATIKA Ningsih, Sri Yunita; Siagian, Muhammad Daut
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 (369.685 KB) | DOI: 10.34007/jdm.v1i1.157

Abstract

Pedagogical content knowledge is a combination of understanding of teaching material (content knowledge) and understanding how to educate (pedagogical knowledge) that needs to be possessed by a teacher. The purpose of this study was to determine the pedagogical content knowledge concept, the achievement of pedagogical content knowledge for prospective teacher students, and to determine the role of prospective mathematics teacher students towards pedagogical content knowledge. A teacher in carrying out his professional assignments must have the competence that is always maintained. Because of this, competency development is an important requirement to ensure that the quality of learning in the classroom adjusts to the development and demands of the times. Always maintained competence also ensures that the implementation of education is consistent in achieving educational goals. There are ten pedagogical content knowledge criteria that must be possessed by prospective teacher students before conducting the practice in the field. Prospective teacher students must also be able to implement learning, knowledge of ways to represent and explain the material to make the material understandable to others.
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.
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.
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".