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Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains
Published by Institut Agama Islam Negeri Padangsidimpuan
ISSN : 23388706     EISSN : 25807145     DOI : 10.24952
Core Subject : Science, Education,
Decision Sciences, Operations Research & Management Education Mathematics
Logaritma: Jurnal Ilmu-ilmu Pendidikan dan Sains are journal containing the results of research and discussion in the field of education including education and teaching, learning strategies, curriculum, teaching media, learning methods, learning techniques, algebra, calculus, and mathematical problem solving. This scientific journal is a periodical journal published by the Jurusan Tadris Matematika FTIK IAIN Padangsidimpuan every June and December (2 editions per year). The contents are author’s responsibility.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 6, No 01 (2018)" : 8 Documents clear
ANALISIS HAMBATAN BELAJAR MAHASISWA PADA MATA KULIAH STRUKTUR ALJABAR II Hoiriyah, Diyah
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1247

Abstract

The purpose of this study is to reveal the barriers to student learning in the Algebra Structure II course on Ring Material. The research subjects were students of the Tadris / Mathematics Education Study Program at the State Islamic Institute (IAIN) Padangsidimpuan in semester 6 as many as 5 students in the 2017-2018 academic year. Where in this study is a type of descriptive research using a qualitative approach. The data collection techniques are carried out, namely: documentation method, test method, and interview method. Data analysis was done by comparing the results of the Algebra Structure II test data and the results of interviews with students. The results of the analysis show that the obstacles to student learning in Algebra Structure II subjects are hampered by conceptual errors, are hampered by strategic errors, are hampered by calculation errors and are hampered by systematic errors. The alternative is to overcome these obstacles, it is necessary for lecturers to be able to develop a learning strategy in the form of giving a variety of problem exercises to students continuously especially those related to Ring material so that students can be more refined thinking skills.
PENGEMBANGAN LEARNING TRAJECTORY POKOK BAHASAN ARITMATIKA SOSIAL DENGAN PENDEKATAN KONTEKSTUAL DI MTsN 2 PADANGSIDIMPUAN Rangkuti, Ahmad Nizar; Khairani, Eva
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1242

Abstract

The background of the problem in this study is the obstacles experienced by students of class VIII-4 at MTsN 2 Padangsidimpuan when completing the questions in the initial test. Obstacles found include students who are less able to understand the concept of social arithmetic well. Therefore, it is necessary to make an update in student learning activities, especially on the subject of social arithmetic. The formulation of the problem in this study is how the validity of learning trajectory is the subject of social arithmetic using a contextual approach and how practical learning trajectory is the subject of social arithmetic using a contextual approach. The purpose of this development is to know the learning trajectory validity of the subject of social arithmetic by using a contextual approach and knowing the practicalities of learning trajectory the subject of social arithmetic using a contextual approach. The discussion of this research relates to the field of mathematics. In connection with this, the approach taken is theories related to mathematics teaching and learning. In this case the learning trajectory developed refers to 7 main components of the contextual approach, namely constructivism, asking, finding, learning society, modeling, reflection, and authentic assessment. So that a valid and practical learning trajectory is used for students of MTsN 2 Padangsidimpuan.The type of research used is design research. Design research is included in qualitative research. Design research is research that places the design process as a strategy to develop a learning path. Trajectory learning designed is validated by 3 validators. The instrument used in this study is observation and questionnaire.Based on the results of the validation of the 3 validators obtained a value of 75.23% with a valid category. Learning trajectory practices obtained from observations made on student activities from the meeting were 66.125%, 66.625%, and 67.375%. The use of time used is sufficient and the results ofthe questionnaire obtained are 88.70% in the practical category. Thus, it was concluded that the development of learning trajectory on the subject of social arithmetic in MTsN 2 was aimed at a valid and practical contextual approach.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE MAKE A MATCH BERBANTUAN MEDIA GRAFIS TERHADAP HASIL BELAJAR MATEMATIKA SISWA PADA MATERI POKOK SEGIEMPAT DI KELAS VII MTS NEGERI MODEL PADANGSIDIMPUAN Hilda, Lelya; Sihotang, Aulia Isma Yuni
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1248

Abstract

This research is motivated by the low of mathematics learning result of student in class VII MTs Negeri Model Padangsidimpuan caused in learning process of teacher not yet able to attract student attention, student enthusiasm in following lesson so that student have difficulties in answer mathematical problems especially in building rectangle which causes student learning outcomes have not been maximized. This research was conducted with the aim to know the influence of cooperative learning model type make a match berbantuan graphic media to the students' mathematics learning outcomes on the subject matter of quadrilateral in class VII MTs Negeri Model Padangsidimpuan. This research refers to Piaget's developmental theory which states that learning is a process whereby children actively build systems of meaning and understanding of reality through their experiences and interactions. This research is a quantitative research with quasi experimental method using model Pretest-Posttest Control Design Group. The population of this study is the total of students of class VII MTs Negeri Model Padangsidimpuan consisting of 11 classes totaling 418 students. The sample in this research is taken with cluster sampling technique that is 76 students. The samples in the experimental group treated 38 students and the control group were not treated 38 students. Data processing and data analysis is done by using T-Test formula. Based on the normality test and homogeneity test both classes are normal and homogeneous distributed. T test-test obtained by hypothesis test result that show thitung ttabel that is 4,636 1,993. H1 accepted, meaning there is a significant influence between the use of cooperative learning model type Make A Match assisted graphics media on student learning outcomes on the subject of quadrilateral in class VII MTs Negeri Model Padangsidimpuan.
PENGEMBANGAN SEBUAH METODE INTERAKTIF UNTUK PENYELESAIAN MASALAH PROGRAM LINIER BILANGAN BULAT KELAS STOKASTIK MULTIOBJEKTIF Suparni Suparni
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1243

Abstract

Decision problems of stochastic or probabilistic optimization arise when certain coefficient of an optimization model are not fixed or known but are instead, to some extent, stochastic (or random or probabilistic) quantities. This paper focused on multi objective stochastic optimization. We propose a method for solving a multi objective chance constraints integer programming problem based on interactive approach. We assume that there is randomness in the right-hand sides of the constraints only and that the random variables are normally distributed.
KONSEP STANDAR PROSES DALAM PEMBELAJARAN MATEMATIKA Nasution, Mariam
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1249

Abstract

In the process of mathematics learning a teacher must be able to create a meaningful learning process. A good learning process will be able to achieve the goal of learning to the fullest. Teacher learning process should be able to bring the creativity of students, skills, liveliness and can solve problems. Mathematics Learning formulated by the National Council of Teachers of Mathematics or NCTM outlines that students must learn mathematics through understanding and actively build new knowledge from experience and knowledge that has been previously owned The standard in the process of learning mathematics are: 1) Understanding the concept of mathematics, 2) Mathematical reasoning, 3)     mathematical communication, 4) Mathematical connection, 5) Mathematical problem solving. The five standard processes should not be viewed as something separate from the standard contents in the mathematics curriculum. The five standard processes direct the method-methods or processes to do all of mathematics, therefore, they must be seen as integral components with learning and teaching. The process standard refers to the mathematical process through which the student acquires and uses mathematical knowledge to derive the learning objectives set at the school level.
PENGARUH KEMAMPUAN DOSEN MELAKSANAKAN EVALUASI TERHADAP KEAKTIFAN BELAJAR MAHASISWA PADA MATA KULIAH ANALISIS KOMPLEKS PROGRAM STUDI TADRIS MATEMATIKA IAIN PADANGSIDIMPUAN Adinda, Anita
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1244

Abstract

This study aims to study how to facilitate student learning in complex analysis courses in mathematics study program at IAIN Padangsidimpuan. The population of this study is the sixth semester students of the IAIN Padangsidimply mathematics mathematics study program 2017/2018 academic year. The sampling technique was done by cluster random sampling, namely the semester VI TMM-1 which passed 27 people in the mathematics study program IAIN Padangsidimpuan. The research method used by the writer is descriptive method. The data collection techniques in this study were questionnaires (questionnaires). The data obtained were analyzed using hypotheses using the Pearson Product Moment estimation formula and to find out whether there was a significant effect using the "t-test" formula. From the results of the research obtained conclusions from the results of the research obtained from the evaluation of student learning activeness in the complex analysis course of the mathematics study program IAIN Padangsidimpuan 2017/2018 academic year.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE RECIPROCAL TEACHING TERHADAP HASIL BELAJAR SISWA PADA MATERI LOGIKA DI SMA NEGERI 5 PADANGSIDIMPUAN Sari, Mutia; Harahap, Yuni Efrina
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1250

Abstract

This study aims to see the influence of the use of cooperative learning model type reciprocal teaching on the learning outcomes of students of logic material in class X of SMA Negeri 5 Padangsidimpuan. This study uses an experimental method with non-equivalent design (untreated control group design with pretest and posttest). The results of the data analysis requirements test obtained by both classes of samples were normally distributed and homogeneous. The t-test results of the learning results obtained are t_ (count) = 2.936 t_ (table) = 2.016, so that there is a rejection of H_0 and acceptance of Ha. This means that there is the effect of using the cooperative learning model type reciprocal teaching on student learning outcomes in the logic material at Padangsidimpuan 5 High School.
ANALISIS KESULITAN MAHASISWA DALAM MENYELESAIKAN SOAL BILANGAN REAL Siregar, Nur Fauziah
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 6, No 01 (2018)
Publisher : IAIN PADANGSIDIMPUAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v6i01.1245

Abstract

This study discusses the problems faced by students in solving real number problems and analyzing the causes. This type of research is qualitative research using descriptive analysis. Data collection methods used in this study are documentation of UTS results and interviews. The results of this study indicate that the difficulties experienced by students in completing real number problems: (1) difficulties in understanding the concept and applying it, (2) difficulty manipulating the numbers and symbols. Errors made by students to solve real number problems are an explanation of the difficulties experienced by students. The factors that cause students to overcome the problems of the basic concept of real numbers, students are still having difficulty in understanding the use of the concept of real numbers, are less careful in solving problems so they are wrong in translating symbols, student learning patterns that are not good are not supported by learning resources adequate material and difficult to repair.

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