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Math Educa Journal
Published by Universitas Islam Negeri Imam Bonjol Padang
ISSN : 25982133     EISSN : 25806726     DOI : -
Core Subject : Education,
Mathematics
Math Educa Journal diterbitkan oleh Program Studi Tadris Matematika Fakultas Tarbiyah dan Keguruan UIN Imam Bonjol Padang sejak tahun 2017. Terbit dua kali setahun pada bulan April dan Oktober. Berisi tulisan yang diangkat dari hasil penelitian di bidang: Matematika dan Pendidikan matematika.
Arjuna Subject : -
Articles 152 Documents
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PENGARUH PENERAPAN PENDEKATAN RME TERINTEGRASI NILAI-NILAI KEARIFAN LOKAL TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA Samsinar Samsinar; Imaludin Agus; Sri Anandari Safaria; Dedyerianto Dedyerianto; Halistin Halistin
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4358

Abstract

Mathematical communication ability is an important ability possessed by students. However, students' mathematical communication skills still tend to be low. An approach that can help students improve their mathematical communication skills is to use an integrated RME approach with local wisdom values which is also an effort to preserve local wisdom in Indonesia. This research is a quasi-experimental quantitative research. The sampling technique used simple random sampling. Class VII B is applied as the experimental class and VII C is applied as the control class. The data collection method consisted of a test of mathematical communication skills seen from the aspects of writing, drawing, and mathematical expression, as well as the teacher's observation sheet. The results of this study indicate that: The application of the integrated RME approach to local wisdom values has a better effect than the conventional approach on students' mathematical communication skills.
PENGEMBANGAN MEDIA E-COMIC MATEMATIKA BERBASIS CONTEXTUAL TEACHING AND LEARNING PADA MATERI ARITMETIKA SOSIAL UNTUK PESERTA DIDIK KELAS VII SMPN 1 SINTUK TOBOH GADANG Christina Khaidir; Andi Susanto; Amelia Putri
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4520

Abstract

This research is motivated by the use of learning media that is not in accordance with the characteristics of students, where currently in the learning process educators only use textbooks and LKPD. Educators lack innovation to develop learning media that are more modern and in accordance with the characteristics of students, such as developing media that uses the internet and digital technology as operating tools. Based on this, research was conducted on the development of mathematical e-comic media based on Contextual Teaching and Learning on social arithmetic material for class VII students who met the valid, practical, and effective criteria. The research method used is Research and Development (R&D) with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). This study involved 7th-grade students of SMPN 1 Sintuk Toboh Gadang, 6 students were selected as the subject of the one-to-one evaluation and 12 as the small group trial. This research produces a valid, practical, and effective mathematical e-comic based on Contextual Teaching and Learning media. The results of this study indicate that the e-comic media meets the very valid criteria with an average validity of 88.05%, meets the very practical criteria with average practicality of 92.36% for educators and 90.02% for students, meets the effective criteria with acquisition of a complete percentage of 83.33 %.
EFEKTIVITAS PEMBELAJARAN KOLABORATIF DENGAN STRATEGI GOAL-FREE PROBLEMS DITINJAU DARI KEMAMPUAN TRANSFER, REASONING, DAN COGNITIVE LOAD SISWA Sity Rahmy Maulida; Endah Retnowati; Fitria Mardika; Rozi Fitriza
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4564

Abstract

This research examined: (1) the effectiveness of learning through a goal-free problem strategy compared with learning through a goal-given problem strategy with regard to transfer ability, reasoning, or cognitive load; (2) the effectiveness of learning collaboratively compared with learning individually with regard to transfer ability, reasoning, or cognitive load; and (3) interaction between learning strategy (goal-free or goal-given) and setting (collaborative or Individual) in terms of transfer ability, reasoning, or cognitive load. The experiment was conducted using a 2 (setting: collaborative vs. Individual) x 2 (strategy: goal-free vs. goal-given) factorial design; posttest-only control-group. The results of the data analysis supported hypothesis that the students who learned by goal-free problems strategy led to be better in terms of near and far transfer scores than students who learned by the goal-given strategy. The goal-free problems strategy was also proved to be more effective in terms of students' reasoning in near and far transfer tests rather than the goal-given problems strategy. Collaborative learning more effectively minimizes cognitive load during acquisition and near transfer test phase than students learn individually, also effectively facilitating students in terms of the near transfer only than students in individual learning. There was a significant interaction effect between the learning setting factor and strategy factor in terms of near transfer ability and reasoning in the near transfer test. Simple effect test showed that learning collaboratively by goal-given strategy was significantly more effective in terms of near transfer ability and students’ reasoning in the near transfer test, and learning individually by goal-free strategy was significantly more effective in terms of near transfer ability and students’ reasoning in near transfer test.
ANALISIS PADA KEMATIAN AKIBAT PENYAKIT JANTUNG DI RUMAH SAKIT UMUM PUSAT H. ADAM MALIK MEDAN MENGGUNAKAN POISSON RIDGE REGRESSION (PRR) Yolandini Eka Putri; Rina Filia Sari; Rima Aprilia
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4345

Abstract

Heart disease is a general term for all diseases that attack the heart organ. Death from the heart at the H. Adam Malik Central General Hospital was recorded to have a fairly high number. The purpose of this study was to determine the use of the Poisson Ridge Regression (PRR) method on the results of the analysis of deaths from heart disease at H. Adam Malik Central General Hospital Medan. PRR is a method that is generally used to estimate the regression of count data, and is very sensitive to multicollinearity. In this study, PRR was used to analyze deaths from heart disease in the presence of multicollinearity cases. The result shows that the estimated parameter of the PRR model is slightly different from the estimation of the Poisson regression model where the estimated value of the variable for patients with heart failure (X1) = 0,030751, the estimated value for patients with congenital heart disease (X2) = -0,002125, the estimated value for patients with heart disease ischemia (X3) = -0, 003085 and the estimated value of hypertension sufferers (X4) = 0,009689. The conclusion is that of the four variables, two of which have a positive influence on death from heart disease, namely patients with heart failure and patients with hypertension. This means that the more people with heart failure and hypertension, the more deaths from heart disease.
APLIKASI TRANSFORMASI GEOMETRI PADA ETNOMATEMATIKA TENUN SIAK Mefa Indriati; Turmudi Turmudi; Jarnawi Afgani Dahlan
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4543

Abstract

Siak weaving is a work of art resulting from the manufacture of songket cloth by craftsmen in Siak Sri Indrapura, Riau Province. This fabric has a variety of motifs, displaying the characteristics of Riau Malay culture. The motifs on Siak woven fabrics are generally taken from the natural environment, such as plants, animals, and other natural objects, which are then twisted (transformed) into interesting motifs, arranged systematically that form geometric patterns. Descriptive qualitative research was conducted, by collecting data and information related to Siak woven motifs through observation and interviews with parties at the Siak woven fabric production center. Identification is carried out on all existing Siak woven fabric motifs to find out whether there is an application of geometric transformation in these woven fabric motifs. From the results of observation and identification, as many as 58 types of motifs were obtained in siak weaving. If observed carefully, the pattern of the arrangement of the motifs of the fabric, there are actually rhythmic and patterned properties of regularity.  Some forms of regularity patterns on Siak woven fabrics are applications of geometric transformations. Some are in the form of reflection, rotation, translation, and dilatation.
DIAGNOSTIK KESULITAN BELAJAR MATEMATIKA SISWA KELAS X 2 UPTD SMA NEGERI 5 SINJAI PADA MATERI EKSPONEN A. Rezky pratiwi; A. Mutahharah; Fahmita Sari; Irmayanti Irmayanti; fitriani fitriani
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4545

Abstract

This study aims to determine the types of learning difficulties experienced by students in exponential material on the subject matter of rank forms and root forms. The type of research used in this study is Descriptive with a Qualitative approach. The subjects in this study were two class X 2 students at UPTD SMA Negeri 5 Sinjai. The research sampling technique used is purposive sampling. Taking two students as a sample with consideration of students who have moderate mathematical skills and good communication skills. The data collection techniques in this study were in the form of tests and interviews. Qualitative data analysis techniques in this study, namely: data reduction, data presentation, and drawing conclusions. The results showed that the learning difficulties experienced by the subjects were the same, namely errors in the process of solving questions.
ANALISIS METODE SINGLE EXPONENTIAL SMOOTHING DAN METODE REGRESI LINEAR UNTUK PREDIKSI HARGA DAGING AYAM RAS Lilis Harianti Hasibuan; Darvi Mailisa Putri; Miftahul Jannah; Syarto Musthofa
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.3872

Abstract

Prediction of the price of broilers in the future is intended to control the excess and shortage of broiler stock can be minimized. When the price of purebred chicken can be predicted accurately, the fulfillment of consumer demand can be managed on time. This study aims to analyze the prediction accuracy of broiler prices using the Single Exponential Smoothing (SES) method compared to using the linear regression method, so that a more accurate method will be obtained to predict the price of broilers. The percentage of prediction error values is the most important criterion in analyzing the prediction accuracy of these two methods. The results showed that the average percentage of error in predicting the quantity of sales of broilers using the SES method with the smoothing parameter value =0.5 is the method that has the highest predictive accuracy (MAPE=0.00258%) compared to using the linear regression method (MAPE= 0.05%).
ESTIMASI PARAMETER REGRESI LOGISTIK DATA PANEL EFEK TETAP UNTUK T=2 Umi Yuliatin; Dedi Rosadi; Ezhari Asfa’ani
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4569

Abstract

Logistic regression is a dichotomous classification method that uses several mathematical concepts in the estimating of variables parameters. In the estimation of parameter using the MLE (Maximum Likelihood Estimation) estimation method are obtained by Newton Raphson's numerical method. Unfortunately, this estimation doesn’t work in binary panel data with fixed effects for time T=2 because the present of fixed effec .  Thus, Conditional MLE is used to provide consistent estimator of . This estimation shows by sample data  N=1.151 obtained  while the discussion shows the parameter values are at .
KEEFEKTIFAN MODEL PEMBELAJARAN CPS (CREATIVE PROBLEM SOLVING) DENGAN MEDIA APLIKASI KAHOOT BERORIENTASI PADA KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VII MTs PESANTREN DARUL IHSAN SALOHE Magfirah Magfirah; Ismail Ismail; fitriani fitriani
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4393

Abstract

The Effectiveness of the CPS (Creative Problem Solving) Learning Model with the Kahoot Application Media Oriented to the Problem Solving Ability of Class VII Students of MTs. Darul Ihsan Salohe Boarding School. Thesis, Sinjai: Tadris Mathematics (TM) Study Program, Faculty of Tarbiyah and Teacher Training, Islamic Institute of Muhammadiyah (IAIM) Sinjai, 2021. This study aims to test the effectiveness of the CPS (Creative Problem Solving) learning model with the ability-oriented Kahoot application media problem-solving for class VII students of the Islamic boarding school Darul Ihsan Salohe. This research is experimental research using a quantitative approach. The subjects of this study were students of Class VII MTs. Darul Ihsan Salohe Boarding School. The methods of data collection were tests, questionnaires, observation, and documentation. Meanwhile, the data analysis used Descriptive Statistics and Inferential Statistical Analysis. The results showed that the CPS (Creative Problem Solving) Learning Model with the Kahoot application media using the Paired sample t-test was found that a sig value of 0.000 <0.05, it can be said to be effective. The effectiveness criteria based on the results of the n-gain is 0.254 and is in the low category. This is also supported by the test results of students' problem-solving abilities after the application of the CPS (Creative Problem Solving) learning model is better than the test results before the application of the CPS (Creative Problem Solving) learning model, student activities in CPS (Creative Problem Solving) learning are in the category high, and student responses to CPS (Creative Problem Solving) learning are positive.
KEMAMPUAN PENALARAN MATEMATIS SISWA SMP DALAM MEMECAHKAN MASALAH POLA BILANGAN Firnanda Pradana Putra; Susiswo Susiswo
Math Educa Journal Vol 6, No 2 (2022)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v6i2.4556

Abstract

The study was conducted to describe students’ reasoning abilities in solving number pattern problems in class VIII SMP. The research can be categorized as qualitative research. The research subjects selected consisted of 1 high-category student, 1 medium-category student, and 1 low-category student. The research data collection technique was carried out by giving a number of pattern material tests and conducting interviews to research subjects. The results showed that the high-category students had poor mathematical reasoning abilities, the medium-category students had very good mathematical reasoning abilities, and the low categories had poor mathematical reasoning abilities.

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