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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 150 Documents
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Analysis of Mathematics Literacy Ability Anis Syafiqah Sohaimi; Dwi Maulida Sari; Rahma Dyah Sari Purba; Rahmat Badawi
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6143

Abstract

Education can develop students' potential, while mathematics education is an effort to improve students' mathematical abilities and increase students' intelligence. Mathematics is used as a tool to develop these mathematical abilities, this shows that mathematics is a very important science, but many students view mathematics as the most difficult field of study, this is because students often have difficulty understanding math problems so they often do mistakes in solving the given questions. Mathematical Literacy Ability is an ability that supports the development of the five mathematical abilities termed as mathematical power. Therefore, mathematical literacy is referred to as the minimum ability that someone has in the field of mathematics. The type of research used is qualitative research with a descriptive approach. Based on the results of the acquisition of the score for each student given, the score of the results of the mathematical literacy ability test in solving PISA questions for students is in the less category as many as 25 people, 5 is enough and not in the Good category. The overall average is 58.5. It can be seen that the average score of the results of the mathematical literacy ability test is in the Less category.
Edmodo-Based Mathematical Learning Analysis Rahmi Rahmi; Putri Yulia; Rahmi Putri
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.5795

Abstract

The number of students who do not participate in the online mathematics learning process makes it difficult for teachers to control students and it is also difficult to create discipline. This study aims to describe: planning, implementation, evaluation, the obstacles that hinder the learning of mathematics using Edmodo. The approach and type of research used is a qualitative method with the type of research being grounded theory. The research subjects were teachers and students of class VIII SMP N 7 Sungai Penuh. Data collection techniques using observation, interviews and documentation. The data obtained were analyzed through data reduction, data display, and drawing conclusions. The results of this study are 1) the planning of the use of media was successfully implemented by the teacher., 2) the implementation of the use of the Edmodo learning media was coherent starting from the preliminary stage, the core stage and the closing stage., 3) the evaluation was carried out to the maximum, because the teacher could monitor student performance in the learning process through edmodo media during the learning process takes place and students are also on time in collecting assignments, there are even no more students who do not collect assignments., 4) and the obstacles that hinder e-learning learning using edmodo in learning mathematics, such as the internet network and also the lack of supervision from parents of students.
Mathematical Ability in Terms of Socioeconomic Status and Mathematical Self-Efficacy Nurdiana Siregar; Nurkhairunnisa Siregar
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6052

Abstract

This study aims to examine students' mathematical abilities in algebra and numbers and then these abilities are viewed from socioeconomic status and mathematical self-efficacy. This study uses a descriptive design that will be examined by PGMI students at a state university in North Sumatra. The data was obtained by looking at the scores from the students' mathematical ability tests, the scores from the questionnaires and the mathematical self-efficacy scale. Data were analyzed using descriptive analysis techniques using the normal curve approach. The results showed that 1) the mathematical abilities of students who had low, medium, and high socioeconomic status were classified as the same for each category with low results, 2) the mathematical self-efficacy of students who had high and moderate had low mathematical abilities.
The Influence of Talking Stick Learning Models on Students’ Mathematics Learning Motivation at Class X MAN 1 Padangsidimpuan Rahma Hayati Siregar; Marhamni Ritonga
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6131

Abstract

This research is motivated by students' low motivation to learn mathematics, this is influenced by many factors, one of which is the learning model factor provided by the teacher. A learning model that creates a meaningful learning process environment and prioritizes the emergence of motivation to learn mathematics, one of which is the talking stick learning model. So the purpose of this research is to find out the influence of the talking stick learning model on the motivation to learn mathematics for students in class X MAN 1 Padangsidimpuan. This research is a quantitative research with Quasi-experimental method, a type of experimental design quasi experimental design method with the type of one-shot case study design with a sample of class X MIA-1 students totaling 18 people with purposive sampling technique. The data analysis used is descriptive and inferential statistical formulas, namely normality and homogeneity tests and hypothesis tests with one sample t-test. In accordance with hypothesis testing using the one Sample t-test test obtained a calculated price price = 45.249 and a 2-tailed sig value = 0.000, then according to the basis of decision making in the t Test, it can be concluded that H0 is rejected and Ha is accepted at a significance level of 5% (α = 0.05) this shows that there is a significant influence from the application of the Talking Stick learning model on the Students’ Motivation in Learning Mathematics at Class X MAN 1 Padangsidimpuan.
Mapping Prior Knowledge Middle Students in Solving Arithmatics Problems Anita Adinda; Khashlati Hilyatul Ajda; Heri Purnomo; Zulhamdi Zulhamdi
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6153

Abstract

This study aims to determine the effect of prior knowledge in solving arithmetic problems and to describe the mapping of middle students' prior knowledge in solving arithmetic problems. The method used in this study is a mixed method. A total of 63 students of MTsN Batu Malang were involved in this study. The subjects used in this study were 2 students. Both students were selected based on their ability to provide written and oral answers. The instruments used in data collection were a prior knowledge diagnostic test and an arithmetic problem-solving test. The results of this study indicate that prior knowledge affects students' problem-solving abilities, and prior knowledge is needed to solve arithmetic problems, but the low problem-solving test scores are caused by a lack of initial knowledge and also students' understanding of the problems given. The implication of this research is that educators can get an idea of how to map students' prior knowledge. In addition, educators can also design an arithmetic problem learning program design in accordance with the description of students' students' prior knowledge.
Performance Appraisal of Managerial Civil Servants Using the ANP Method and Rating Scale at the Human Resource Development Agency Nur Atikah; R. Filia. Sari; R. Syafitri Lubis
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.5910

Abstract

Employee performance appraisal is very necessary to know the skills or abilities of each employee. Employee performance appraisal carried out at the Human Resources Development Agency still require employee performance evaluations for the performance of each employee. The purpose of this study was to determine the performance of employee using the Analytic Netwoek Process and Rating Scale methods, where the ANP was used to weight each criteria and sub-criteria with the result of the weighting ofthe criteria namely: service orientation, Integrity, commitment, discipline, cooperation  and for the weight of each sub-criterion, being friendly, completing work quickly and prcisely, working properly, honestly and regularly, working well even though not supervised by the leadership, have goog characte, have loyalty, have responsibility, do not delay work, never go absent without clear reasons, are able to work togather with colleagues, like to help colleagues who are in trouble, able to communicate well. While using the Rating Scale methods has different values, employees with the highnest to lowest performance is Rosniari, M. Arbi Suroso, Muksin, Hj. Rohayati, Syafruddin, Dame Hasibuan, Ilham Fadly and Masdalifah.
Mind Mapping Learning Model to Improve Learning Outcomes of Circle Material Ahmad Nizar Rangkuti; Safaten Sudoh; Sri Mahrani Hasibuan
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6275

Abstract

This research is motivated by the fact that there are still many students who are less active in the learning process and still have difficulty answering the questions given by the teacher. The purpose of this study is to determine the application of the Mind Mapping learning model to improve students' Mathematics learning outcomes in class VIII-1 circle material of MTs Ja'fariyah Hutaibus. This research is a Classroom Action Research conducted using two Cycles, namely Cycle I with two Meetings and Cycle II with one Meeting. The instruments used are observations and tests in the form of test essays. The subject of this study was students in class VIII-1 MTs Ja'fariyah Hutaibus consisting of 27 students. The results of this study show that students’ learning outcomes are improving. It  can be seen from the scores and activities of students starting from pretests with a percentage of student completion of 19% (5 out of 27 students) with a grade point average of 48.33, Cycle I: 1st Meeting , percentage of completeness of sisiwa 52% (14 out of 27 people) with an average score of 78.81, Cycle I: 2nd Meeting, percentage of student completion 74% (21 out of 27 people) with an average score of 86.11 and Cycle II, 1st Meeting,  The percentage of student completion was 89% (24 out of 27 people) with an average score of 88.51. This shows that the application of the Mind Mapping learning model can improve mathematics learning outcomes for grade VIII-1 MTs Ja'fariyah Hutaibus students.
The Development of PISA Type Evaluation Instruments with Ethnothematic Characteristics of Kudus Local Islamic Culture Mulyani Putri Wulandari; Arghob Khofya Haqiqi
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.5482

Abstract

This study aims to determine the development and feasibility of the PISA type evaluation instrument with the ethnomathematical characteristics of the local Islamic culture of Kudus. This evaluation instrument is more appropriate if used at the time of learning evaluation. By using this evaluation instrument, students do not only study mathematics, but also about Islamic culture in Kudus. The type of research used is Research and Development with the ADDIE model. The results of this study are in the form of an evaluation instrument product of the PISA type with the ethnomathematical characteristics of the local Islamic culture of Kudus in class VII mathematics is sets, lines and angles, rectangles and triangles, and the results of the product feasibility test obtain the same CVR value of 1, because all validators assigns an essential value (E) to each instrument. So that the results obtained state that the instrument is valid, and the conclusion states that the instrument is suitable for use without revision. After being declared feasible without revision, then a small and large trial was carried out using 4 feasibility tests, namely validity test, reliability test, difficulty level test, and discriminatory power test. With the results of the calculation of small and large trials using validity and reliability tests, the results are both valid and reliable. So that it can be categorized as feasible and can be used in the evaluation of class VII mathematics learning.
Development of Higher Order Thinking Skills (HOTS) Assessment Instruments to Improve Students' Mathematical Creative Thinking Skills Lili Nur Indah Sari; Irma Rizki Aulia E
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 2 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i2.6308

Abstract

The purpose of learning in the millennial era is the development and improvement of students' high-level thinking skills. High-level abilities or often referred to as higher order thingking skills (HOTS) are the level of thinking of students with stages of analysis, evaluation and creation. The indicators of HOTS can be derived from the ability to think critically and think creatively. In order for students' mathematical HOTS abilities to be known, a HOTS assessment instrument is needed. The purpose of this study is the development of a mathematical HOTS assessment instrument for MTs class VII students. The type of research is a development adapted from the development of Borg and Gall. Analysis of research data using quantitative and quality analysis to determine the quality of the mathematical HOTS assessment instrument conducted a review based on the criteria of validity, reliability, difficulty index and differentiating power of the problem. The result of this development is that the HOTS assessment instrument with the form of a description of 15 questions and is suitable for use. The HOTS assessment instrument is included in a valid category that is based on expert assessment with an average score of 36.5 and an excellent category. The difficulty level of the question is moderate with an average difficulty index of 0.5 in the medium category and the differentiating power of the question is good with an average differentiating power index of 0.33 in the good category. The developed mathematical HOTS instrument also meets the reliable criteria with a reliability coefficient of 0.733.
Profil Kemampuan Pemecahan Masalah Matematis Materi Aritmatika Sosial Berdasarkan Teori Polya Ditinjau dari Self-Confidence Siswa SMP Rita Nurkhalipah; Ramlah Ramlah; Attin Warmi
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 8, No 02 (2020)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v8i02.2884

Abstract

This study aims to describe mathematical problem solving abilities in terms of students' self-confidence. This is motivated by the number of students who have low self-confidence in solving mathematical problem solving problems. The research used a qualitative approach to the case study method with the subject as many as 3 students of class VII of one of the state junior high schools in Karawang district, using tests in the form of questions to describe their problem-solving abilities, self-confidence questionnaires and interviews. The data analysis technique used data reduction, display data, and conclusion drawing or verification. Based on the results of data analysis, it was showed that self-confidence are high and solving problems, it is be able to meet the stages of understanding problems, compiling plans, and implementing plans. Students with low self-confidence show that they do not meet any of the problem solving stages. So, it can be concluded that the ability to solve mathematical problems in terms of students' self-confidence in social arithmetic material, no one student can re-examine the results in the Polya stage.

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