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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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Pengaruh Pendekatan Auditory, Intellectually and Repetition (AIR) terhadap Kemampuan Pemecahan Masalah dengan Bentuk Soal Cerita Engla Wetri; Rahmi Putri; Ria Deswita; Aan Putra
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

Abstract

The purpose of this study was to investigate the effect of Auditory, Intellectually, and Repetition (AIR) approach through students mathematical problem solving ability with mathematical word problems.This study used quantitative approach with experiment method. The research design was posttest-only control group. The population was all of eighth grade students in MTsN 2 Kota Sungai Penuh. Two samples were choosen with draw. Conventional method was implemented in control group, while AIR approach was implemented in experiment group. The instrument in this study was students mathematical problem solving ability with story questions test that the test items was analyzed first. The instrument was given in the end oflearning process in both groups. The result of the data analysis was obtained that there was an effect of AIR approach through students mathematical problem solving ability with mathematical word problems.
SAVI and RME Learning Models to Improve Mathematical Problem Solving Skills Siswadi Siswadi; Lilis Lilis; Yumira Simamora
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.4488

Abstract

Realistic mathematics is a very important approach that links the real world with student learning activities. This quantitative study aims to obtain information related to improving the SAVI learning model with RME on students' mathematical problem solving abilities. This research involved 60 students (30 students VIIIc and 30 students VIIIa) who were positioned as research subjects. Students' mathematical problem solving abilities were collected using a rubric in the form of an essay consisting of 5 questions. The collected data was tested using the t-test. The results of this study inform that students' problem solving abilities on cube and cuboids with RME learning are better than students who follow SAVI learning in class VIII students of MTs Nurul Iman Tanjung Morawa Deli Serdang.
Quizizz's Augmented Reality (AR) Based Mathematics Digital Pocketbook Design Using GOLD (Guided, Organizing, Leaflet, Discovery) Learning Model Feri Tiona Pasaribu; Yelli Ramalisa
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.4567

Abstract

This research was conducted with the aim of meeting the needs of students in learning in the 21st century, where both students and educators are required to have good skills in utilizing technology in the learning process, especially when conducting distance education. This study aims to produce a digital pocket book based on Augmented Reality (AR) assisted by quizizz using the GOLD (Guided, Organizing, Leaflet, Discovery) learning model. This research is a development research that uses 4-D models (Four-D Models). Which consists of 4 stages of development, namely, the definition stage (define), the planning stage (Design), the development stage (develop), and the dissemination stage (Disseminate). The results of this study indicate that the product produces a useful pocket book. With a pocket book quality level based on 3 criteria, namely: valid and practical. From the research results obtained: 1) the percentage of pocket book validity from material experts 88% (very valid) and from design experts 87.6% (very valid), 2) the percentage of pocket book practicality by educators 88.75% (very practical) and by students 88, 8% (very practical). This research is still limited to testing the validity and practicality of digital pocket book.
Students' Mathematic Reasoning: a Review from Jigsaw and ROPES Learning Model at Baiti Jannati Junior High School Mara Samin Lubis
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.4623

Abstract

The background of this article is that the learning carried out by the teacher in the classroom only focuses on the teacher, the class condition is not effective. This study aims to see the difference between the mathematical reasoning of students who are taught using the jigsaw learning model and the ROPES (Review, Overview, Presentation, Exercise) learning model in class VIII SMP Baiti Jannati on Prisma material. This research is a quantitative research that uses the entire population of class VIII with a sample of class VIII-1 and VIII-2 with a total of 30 students in each class. This study uses a one-way ANOVA test using a description test. Based on the results of this study indicate that there is a difference between the jigsaw and ROPES learning models with Fcount Ftable; 26.89 4.07. The mathematical reasoning of students reviewed using the jigsaw learning model is better than the mathematical reasoning of students reviewed using the ROPES learning model on Prisma material in class VIII SMP Baiti Jannati.
The Effect of Blended Learning Models Assisted by Video Tutorials on Students' Critical Thinking Ability in Mathematics Learning Eline Yanty Putri Nasution; Laras Sintia; Rahmi Putri
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5186

Abstract

This study aimed to determine students' critical thinking skills on the subject of number patterns using the Blended Learning learning model. The research was conducted at MTsN 3 Kerinci, Academic Year 2021/2022. The research method used is a quasi-experimental method with a posttest-only control design. The research instrument used is a critical thinking ability test. The results showed that the critical thinking ability of students who were taught with the Blended Learning leraning model assisted by video tutorials had an average score of 8.58, and the class that did not use the Blended Learning learning model assisted by video tutorials had an average score of 6.24. Thus, this study concludes that the Blended Learning learning model has a significant influence on students' critical thinking ability.
Implementation of Character Education in the Mathematics Learning Process Almira Amir
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5214

Abstract

The decline in the character of students today is due to the impact of the flow of globalization of information and technology such as no passion in learning, noisy when the teacher explains, low self-confidence, lack of sense of responsibility for the tasks given by the teacher, and tends to be passive so we need a new changes to implement character education in the mathematics learning process.This study aims to determine the implementation of character education in the mathematics learning process, to find out the obstacles to implementing character education in the mathematics learning process, and to find out strategies to overcome obstacles in implementing character education in the mathematics learning process in class X MAS Hajijah Amalia Sari Padangsidimpuan.This research is a qualitative research with the approach used is descriptive ethnography. The primary data sources were the mathematics teacher and class X student of MAS Hajijah Amalia Sari Padangsidimpuan. Data collection techniques are observation, interviews and documentation.The results showed that character education for students in class X MAS Hajijah Amalia Sari Padangsidimpuan had been applied in the mathematics learning process. Specific findings obtained are a lack of student motivation, lack of enthusiasm for learning, lack of infrastructure and lack of time discipline. The strategy in overcoming these obstacles is to familiarize students with applying character values, providing good examples, giving warnings, making conditioning such as posters or slogans that show character values and completing infrastructure facilities that can build character education values in the mathematics learning process.
An Analysis of Students’ Mathematical Problem-Solving Ability on Students of SMK As-Salaam Jatibarang Based on Learning Independence Farid Gunadi; Wiwit Damayanti Lestari; Rikana Rikana
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5216

Abstract

The purpose of this study is to find out an overview of students' mathematical comprehension ability based on high, medium, and low learning independence. This research is a qualitative method research. The subjects in this study were students of class XI TKJ SMK As-Salaam Jatibarang in the odd semester of the 2021/2022 academic year. The data collection methods used are tests, questionnaires, interviews and documentation, as well as field notes. The results of the questionnaire will be selected according to the learning independence category, and the test results will be analyzed using the ATLAS.ti 8 application and interviews to students according to the category of learning independence that has been selected according to the results of the learning independence questionnaire. The results of this study are students of class XI TKJ SMK As-Salaam Jatibarang who have high learning independence will have high mathematical comprehension ability, students who have low learning independence will have low mathematical comprehension ability, but students who have learning independence will have high  mathematical comprehension ability.
Simple Linear Regression Method to Predict Cooking Oil Prices in the Time of Covid-19 Lilis Harianti Hasibuan; Darvi Mailisa Putri; Miftahul Jannah
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5319

Abstract

The background of this research is the soaring price of cooking oil during the Covid-19 period which continues to increase in the city of Padang. The research method used is a case study of data on cooking oil prices in the city of Padang. The purpose of this study is to obtain predictions of cooking oil prices. Linear regression is used as a prediction method for cooking oil prices in the next X(t) period. The research method used is a case study using simple linear regression. In this study, the actual cooking oil price Y(t) is the effect variable and the time period is the causal variable. The linear regression equation obtained is Y'=25239+124.56X. Testing the accuracy of the prediction results using RMSE with a value of 0.1913. The prediction of cooking oil prices using the linear regression method can be said to be in the very good category, it can be seen that the RMSE value is very small in the test and meets the standards.
Mathematics and Raka'at of Dhuha Prayer Monika Monika; Irni Latifa Irsal; Fakhruddin Fakhruddin
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5338

Abstract

The uniqueness of the number raka’at of dhuha prayers taught by the Prophet gave new interest to the author to see the relationship of the number of raka'ah of the dhuha prayer with Mathematics. The non-interactive qualitative approach of the Library Research type is a research method to explore mathematical interconnections and the number of rak'ahs of the dhuha prayer. There are four steps in this research, namely data collection, data reduction, data presentation, and data analysis. Descriptive analysis is used to present the results of the interconnection between mathematics and the number of rak'ahs of the dhuha prayer. In this study, expert validation was carried out to ensure the validity of the data and the results of the analysis. From the research, it was found that the number of rak'ahs for the dhuha prayer, when written in one line, will form the same pattern as the integer pattern. The general form of the pattern of the number of rak'ahs for the dhuha prayer that is formed Un = 2n. 
Data Analysis Techniques for Problem-Based Learning Model Development and Rewarding Elementary Linear Algebra Mariam Nasution
Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/logaritma.v10i01.5676

Abstract

The problem in this research is how the data analysis techniques are used in developing problem-based learning models and giving elementary linear algebra rewards. The purpose of this study was to describe the results of data analysis in the research conducted. The type of research used is the type of RD research with qualitative and quantitative methods. The stages of data collection carried out are: Preliminary Phase, Prototyping Phase and Assessment Phase. The Preliminary stage is processed descriptively, by clearly describing the results of the preliminary analysis in the form of needs analysis, curriculum analysis, concept analysis, and student characteristics analysis, each resulting analysis is equipped with conclusions. The prototyping stage uses instrument data that has been given to experts or validators to see the errors and accuracy of the instruments presented in the form of numbers. For the Assessment Phase, validity tests were carried out on the validity of the RPS and SAP instruments, model books, lecturer books, LKM, students' mathematical ability tests, attitude questionnaires and student learning interests. Product reliability tests were carried out on RPS and SAP instruments, model books, lecturer books, LKM, students' mathematical ability tests, attitude questionnaires and student learning interests. The product effectiveness test was obtained from the student's mathematical ability test data, attitude questionnaire and student learning interest questionnaire. Based on the analysis of the data used, it can be concluded that the product validity test results obtained high validity criteria. The results of the practicality test obtained high validity. The results of the effectiveness test are that the problem-based learning model and the provision of rewards can improve students' mathematical abilities and can encourage increased understanding of a concept and solve problems that are legitimate, efficient, and effective.

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