Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains
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.
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<![CDATA[Dampak Pengiring dari suatu Pengembangan Perangkat Pembelajaran Matematika ]]>
<![CDATA[Nur Fauziah Siregar]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.4420
<![CDATA[This study aims to see the impact of the accompaniment of a mathematics learning device development. The learning tools are lesson plans and worksheets. The subjects in this study were class VII students of SMP Negeri 7 Padangsidimpuan, totaling 41 students. The instruments used are questionnaires, interviews with 5 students and document studies in the form of lesson plans and worksheets. The data analysis technique used was that all the data were edited, coded, and the data was entered into a table and then analyzed. The accompaniment impact obtained by adding interest and attracting students' attention is the highest position, namely 93% and making it easier to understand material concepts and develop mathematical abilities occupies the lowest position, namely 73%. The impact of the accompaniment obtained in the interview seen from the aspect of interest and attention seemed to increase the focus of learning, increase the enthusiasm for learning mathematics and make learning mathematics more fun. Independence in learning mathematics has an accompaniment effect in increasing the ability to think about problem solving procedures, dare to ask questions, and learn from various sources. Thinking skills have an accompaniment impact that students have the ability to take the essence of the subject matter. Activities and creativity have an accompaniment impact that students are more active in learning mathematics and more creative in solving mathematical problems. In the study of documentation seen from 3 aspects, namely planning, implementation and evaluation which shows that it is written systematically]]>
<![CDATA[Analisis Level Kognitif Soal Trigonometri Buku Teks Matematika SMA/MA Kelas X Berdasarkan Taksonomi Bloom Revisi ]]>
<![CDATA[Rahma Nia Juita]]>;
<![CDATA[Hari Sumardi]]>;
<![CDATA[Hanifah Hanifah]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.4226
<![CDATA[The Mathematics Textbook for 10th grade of senior high school published by the Ministry of Education and Culture is the main book used in learning at school. However, there are teachers who rarely use the problems in the book when giving exercises to students, especially on Trigonometry. Whereas, the distribution of cognitive levels on the competency test in the book is not known. This study was aimed to describe the distribution of cognitive levels of Trigonometry’s competency test questions in mathematics book for 10th grade published by the Ministry of Education and Culture based on the revised Bloom's Taxonomy. This type of research was descriptive research with documentation method. The instruments that used in this study were cognitive level classification sheet and cognitive level conformity validation sheet. The results showed that from 171 questions there was a question that was incomplete and as many as 170 questions that deserved to be analyzed obtained a distribution of cognitive level remembering (C1) as 5 questions , understanding (C2) as 44 questions , applying (C3) as 99 questions , analyzing (C4) as 15 questions , and evaluating (C5) as 7 questions , and it did not contain the cognitive level of creating (C6).]]>
<![CDATA[Pengaruh Pendekatan Matematika Realistik terhadap Minat Belajar Mahasiswa Tadris/Pendidikan Matematika pada Saat Pandemi Covid-19 ]]>
<![CDATA[Lili Nur Indah Sari]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.4347
<![CDATA[The purpose of this study was to see the effect of the Realistic Mathematics Approach on student interest in learning during the covid-19 pandemic. This research is a quasi-experimental research (quasi-experimental) conducted at the Padangsidimpuan State Islamic Institute, Faculty of Tarbiyah and Teacher Training, Tadris/Mathematics Education Study Program T.A 2019/2020. The conclusion from the questionnaire results obtained from students, the average score of student interest in learning who was treated with the Realistic Mathematics Approach was better than the average score of student interest in learning who was treated with the Conventional Approach. The average score of students who were treated with a realistic mathematical approach was 50.03, while the average score of students who were treated with the Conventional Approach was 41.73. In the calculation of the t test, the t value was obtained at a significance level of 0.151 0.05 so it can be concluded that there is an effect of a realistic mathematical approach on the learning interest of Tadris/Mathematics Education students during the covid-19 pandemic.]]>
<![CDATA[Pengaruh Konsep Diri dan Kemandirian Belajar terhadap Hasil Belajar Matematika Siswa SMP ]]>
<![CDATA[Liana Widya Astuti]]>;
<![CDATA[Heni Pujiastuti]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.3905
<![CDATA[This research aims to see how much influence self-concept and learning independence have on mathematics learning outcomes. The method used is a survey method with a quantitative approach. The sample in this study were students of Class VIII B MTs. Daar El-Huda as many as 32 students. Data collection is done by giving a questionnaire. The data used are primary data and secondary data. Primary data includes 2 variables (self-concept and learning independence) which were collected with previously validated instruments. Secondary data is the result of students' mathematics learning obtained from mathematics teachers. Based on the results of the study, it can be concluded that first, there is an effect of self-concept and independent learning together on learning outcomes of mathematics. The contribution of self-concept and learning independence to mathematics learning outcomes is 96.1% and the remaining 3.9% are other variables that contribute besides self-concept and learning independence. Second, there is the effect of self-concept on mathematics learning outcomes. Third, there is the influence of independent learning on mathematics learning outcomes.]]>
<![CDATA[Kemampuan Berpikir Logis Mahasiswa dengan Menggunakan Model Pembelajaran M-APOS ]]>
<![CDATA[Dwi Maulida Sari]]>;
<![CDATA[Diyah Hoiriyah]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.4525
<![CDATA[This article aims to analyze students' mathematical logical thinking skills who apply the M-APOS learning model. The research was conducted in the sixth semester at one of the universities in Padangsidimpuan. It was found that the average n-gain of M-APOS class students' logical thinking skills increased in the high category as stated by Hake's criteria for increasing n-gain. The standard deviation value for the M-APOS class shows that the distribution of the n-gain value data is very diverse. This shows that the M-APOS learning model can be used as a learning model that can improve logical thinking skills.]]>
<![CDATA[Deskripsi Pengembangan Keprofesian Berkelanjutan Guru Matematika ]]>
<![CDATA[Ahmad Nizar Rangkuti]]>;
<![CDATA[Roimah Sari]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.4613
<![CDATA[The purpose of this study was to describe the continuous professional development of mathematics teachers at SMPN 6 Panyabungan which includes aspects of self-development, scientific publications, and innovation works. The data collection method used consisted of observation, interviews, and document studies. Data analysis used descriptive qualitative analysis method which aims to describe how the continuous professional development of mathematics teachers at SMP Negeri 6 Panyabungan and how to deal with problems faced in carrying out continuous professional development of mathematics teachers. The results of the study concluded that in carrying out the Continuing Professional Development (PKB) mathematics teachers there were several problems, namely the lack of a given quota, ignorance of Continuing Professional Development (PKB) and the lack of a teacher's intention to participate in Continuing Professional Development (PKB).]]>
<![CDATA[Pengaruh Pendekatan Pembelajaran Pendidikan Matematika Realistik Indonesia (PMRI) dengan Mobile Learning terhadap Kemampuan Komunikasi Matematis Siswa ]]>
<![CDATA[Swastyka Rakhma Wiyanti]]>;
<![CDATA[Rina Marlina]]>;
<![CDATA[Dori Lukman Hakim]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.3451
<![CDATA[This research is motivated by the low mathematical communication skills of students in one of the junior high schools in Karawang Regency. This research was conducted with the aim of knowing whether the learning approach of Indonesian Realistic Mathematics Education (PMRI) with Mobile Learning has an effect on Students' Mathematical Communication Ability. The research approach used in this study is a quantitative approach with experimental methods and a Posttest Only One Control Group research design conducted at NURUL FALAH Junior High School JAKARTA. The data was collected using a mathematical communication ability test instrument and the hypothesis test used was an analysis of the difference between two averages (2 Independent Sample t-test) to determine the average difference in mathematical communication skills of experimental class students using the PMRI learning approach with mobile learning. and a control class that uses a direct learning approach with mobile learning. The calculation of the data was carried out using the SPSS ver 22 (Statistical Product and Service Solution) application and based on the calculation of the posttest results of the two groups, there were differences in students' mathematical communication skills.]]>
<![CDATA[Pengaruh Minat Belajar Matematika terhadap Kemampuan Pemahaman Matematis Siswa SMP ]]>
<![CDATA[Tri Wulandari]]>;
<![CDATA[Nita Hidayati]]>;
<![CDATA[Attin Warmi]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 9, No 02 (2021) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v9i02.2784
<![CDATA[This study aims to determine the effect of interest in learning mathematics to students' mathematical understanding abilities. This research is an ex-post facto research with an approach quantitative. The population in this study were all eighth grade students of SMP Negeri 1 Karawang Barat with 468 students using purposive sampling techniques so that the total sample was 38 students. Data collection techniques using test instruments, questionnaires and online (in the network). Data analysis techniques were performed using simple linear regression analysis. As a prerequisite for analysis, data normality test and data linearity test are performed. Data is processed using SPSS Software version 22 for windows. The results of this study indicate that there is influence interest in learning mathematics towards students' mathematical understanding abilities, this is indicated from the results of simple linear regression analysis that obtained the value of Sig. = 0.046 ???? = 0.05 so ????0 is rejected and ????1 is accepted or the regression model is linear with a coefficient of determination of 10.6%.]]>
<![CDATA[Simple Linear Regression Method to Predict Cooking Oil Prices in the Time of Covid-19 ]]>
<![CDATA[Lilis Harianti Hasibuan]]>;
<![CDATA[Darvi Mailisa Putri]]>;
<![CDATA[Miftahul Jannah]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v10i01.5319
<![CDATA[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.]]>
<![CDATA[The Effect of Blended Learning Models Assisted by Video Tutorials on Students' Critical Thinking Ability in Mathematics Learning ]]>
<![CDATA[Eline Yanty Putri Nasution]]>;
<![CDATA[Laras Sintia]]>;
<![CDATA[Rahmi Putri]]>
<![CDATA[ Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains Vol 10, No 01 (2022) ]]>
Publisher : <![CDATA[UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan ]]>
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DOI: 10.24952/logaritma.v10i01.5186
<![CDATA[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.]]>
