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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 10 Documents
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Search results for , issue "Vol 1, No 2 (2017)" : 10 Documents clear
Titik Setimbang Nash pada Permainan Linear Kuadratik Non-kooperatif dengan Asumsi Keseluruhan Pemain dapat Menstabilkan Sistem Asfa’ani, Ezhari
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.28

Abstract

We discuss about Nash equilibria for the linear quadratic differential game for an infinite planning horizon. We consider an open-loop information structure. In the standard literature this problem is solved under the assumption and provide both necessary and sufficient conditions for existence of Nash equilibria for this game under the assumption that the system as a whole is stabilizable.      Keywords: linear quadratic differential games, open-loop information structure
Keefektifan Perangkat Pembelajaran Matematika Berbasis Discovery Learning pada Kelas X SMA Utami, Nita Putri
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.23

Abstract

The learning sets of mathematics used by educators greatly determine the achievement of learning objectives. But the fact that the the learning sets of mathematics used in schools have not supported the achievement of conceptual understanding and reasoning ability to the fullest. The purpose of this research is to produce the learning sets of mathematics based on discovery learning mathematics on equation material and linear inequality that is valid, practical, and effective. This research is a development research using the Plomp development model consisting of initial investigation phase, prototype development or prototype phase, and assessment phase. The effectiveness data is obtained from the cognitive competence test sheet of the learner, observation sheet of students' affective competence and observation sheet of psychomotor competence of the learner. The results showed that the learning sets of mathematics developed were valid, practical and effective. Learning outcomes of learners on cognitive, affective, and psychomotor competencies are effective. In this journal only discussed the effectiveness of learning tools of mathematics.Keywords: Discovery learning, the effectiveness of mathematics  learning  sets based on discovery learning
Penerapan Model Pembelajaran Problem Based Learning dalam Pembelajaran Matematika di Kelas VIII SMPN 28 Padang Susanto, Andi; Ariadi, Sony
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.29

Abstract

This reseach is aimed at knowing the students ability in both solving the math problem and connection those who are taught by Problem Based Learning at class VIII of the Junior High school 28 Padang 2017/2018. This research is categorized as quasy Experimental Research, by using Randomized Control Group Only Design. After implementing the Problem Based Leaning, the student was directly given the test as the result showed that the score  of the student who belong to the experimental class in  problem solving recorded as 74,00 while those who were in the control class only refers to 72,30. The test average score on the experimental class in term of math connection ability was 68,73; while in the control class recorded as 62,43. The T- Test showed that T-Table equals to 1,64 with the degree of reliability 95% . This fact reveals that the students’ ability in solving the problem after being taught through Problem Based Learning is higher than in control class with T-count equals to 3,71; while their connection math ability through Problem Based Learning Model in the Experimental Class is higher than control with T-count 2.17.Keywords: Problem Based Learning, problem solving, mathematics connection
Penerapan Strategi Pembelajaran Aktif Tipe Inquiring Mind Want to Know untuk Meningkatkan Pemahaman Konsep dan Pemecahan Masalah Matematis Yulia, Yulia; Markis, Tessy Marzalfa
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.24

Abstract

The purpose of this study was to determine that the conceptual understanding of math and problem solving skill of students taught using the application of active learning strategies types Inquiring Mind Want to Know better than the conceptual understanding of math students taught using conventional strategy. This research is a quasi-experimental research with the design of randomized control group only design. The populations in this study were five classes of students of grade VII SMPN 35 Padang (165 students). The choice of class random sampling (random data retrieval). Classes are chosen as experimental class is a class VII.4 and control class is the class VII.5.  Data were taken from the results of final test is a test essay from each class. Based on the data analysis of research obtained that the understanding of math concepts and problem solving experimental class students is higher than the control class. This is evident from the average value of the test understanding of concepts and mathematical problem solving experimental class students is 76,45 while the average grade control is 63,27. Hypothesis testing using t-test, obtained tcalculate > ttable   (1,72 > 1,65) with a 95% confidence level, the hypothesis is accepted. So it can be concluded that the understanding of math concepts and problem solving students who apply active learning strategies types “Inquiring Mind Want to Know” better than on understanding math concepts and problem solving students using conventional teaching in class VII SMPN 35 Padang.Keywords: Active learning strategies types Inquiring Mind Want to Know, understanding math concepts, and problem solving
Penerapan Pembelajaran Inkuiri Terbimbing dengan Pendekatan Concrete-Representational-Abstract dalam Meningkatkan Kemampuan Pemecahan Masalah Siswa SMP Afri, Lisa Dwi
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.25

Abstract

This research is motivated by the importance and still not optimal problem solving ability of student mathematical problem. This study examines the improvement of students 'mathematical problem-solving abilities that acquire Guided Inquiry learning with Concrete-Representational-Abstract approach (ITCRA) and students who have received conventional learning, in terms of overall and math skills categories KAM (high, middle, low). This research is a quasi experiment with non-equivalent control group design. The population is grade VIII SMPN 1 Padang Panjang Lesson Year 2014/2015, and the samples are two classes from seven existing classes. Instruments used in the form of tests, observation sheets, and interview guidelines. The data obtained were analyzed using the difference test, ie t-test and mann-whitney. The results showed that: 1) The achievement and improvement of mathematical problem solving ability of students who received ITCRA learning overall better than those who received conventional learning, 2) the increased mathematical problem solving ability of moderate KAM and low KAM better than those with conventional learning, whereas in high KAM, students who received ITCRA learning was no better than that of conventional learning, and 3) there was a difference in the improvement of students' mathematical problem solving abilities of high KAM categories with KAM moderate and low category students who received ITCRA learning. However, there were no significant differences between moderate and low KAM category studentsKeywords: Guided Inquiry, concrete-representational-abstact, problem solving
Profesionalisme Guru Matematika MTs Muhammadiyah 22 Padangsidimpuan Rangkuti, Ahmad Nizar; Jusrina, Jusrina
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.19

Abstract

The purpose of this research to know the professionalism mathematics’ teacher in MTs Muhammadiyah 22 Padangsidimpuan. To collecting the data done by field research and the technique of the collecting the data, the researcher used Observation, Interview and Study Documentation. To analyze the data done by Qualitative Research. To valid the data used Triangulation. So, based on the result of this research, it could be concluded that the professionalisms mathematics’ teacher in MTs Muhammadiyah 22 Padangsidimpuan have going on based on role happened. It could be seen by the Commitment of Mathematics’ teacher were to increase the quality of education, responsibility of doing assignment, desire, and enthusiasm to increase the professionalism done by long live study and the soul of Mathematics.Keywords: Profesionalism, mathematics teacher.
Pemodelan dan Peramalan Deret Waktu Studi Kasus: Suhu Permukaan Laut di Selatan Jawa Timur Maulana, Hutomo Atman; Muliah, Muliah; Sampe, Maria Zefaya; Hanifah, Farrah
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.26

Abstract

The sea surface temperature is one of the important components that can determine the potential of the sea. This research aims to model and forecast time series data of sea surface temperature by using a Box-Jenkins method. Data in this research are the sea surface temperatures in the South of East Java (January 1983-December 2013) with sample size of 372. 360 data will be used for modeling which is from January 1983 to December 2012, and data in 2013 will be used for forecasting. Based on the results of analysis time series, the appropriate models is SARIMA(1,0,0) (1,0,1)12 where can be written as Yt = 0,010039 + 0,734220Yt−1 + 0,014893Yt−12 − (0,734220)(0,014893)Yt−13 + 0,940726et−12 with  MSE of 0.07888096.Keywords: Sea surface temperature, time series, Box-Jenkins method
Efektivitas Model Pembelajaran Treffinger terhadap Kemampuan Pemahaman Konsep dan Pemecahan Masalah Matematis Peserta Didik Kelas VII SMPN 24 Padang Sepriyanti, Nana; Zulmuqim, Zulmuqim; Suryani, Suryani
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.21

Abstract

This research was based on the conceptual understanding and problem solving mathematical ability of students which is still low. The purposes of this research are (1) to investigate the students’ conceptual understanding ability with 2013 curriculum and Treffinger model of mathematics learning are higher compared with learning on 2013 curriculum only. (2) To investigate students’ problem solving mathematical ability implementing 2013 curriculum and Treffinger model are higher compared with learning on 2013 curriculum only. This is a quasi experimental research with Randomized Control Group Only design. The research result shows that the average score of experiment class student’s mathematics conceptual understanding is 76.61. Meanwhile, the average score for the control class is 71.49 with tcount = 1.826 and ttable = 1.645, so tcount > ttable. It means that hypothesis is accepted. The average score of experiment class student’s problem solving ability is 75.42. Meanwhile, the average score for the control class is 70.80 with tcount = 1.748 and ttable = 1.645, so tcount > ttable. It means that hypothesis is accepted. Finally, it can be concluded that the conceptual understanding and problem solving mathematical ability of the students class VII SMPN 24 Padang by using 2013 curriculum and Treffinger model are higher compared with learning by using 2013 curriculum only.Keywords: Conceptual understanding, problem solving, Treffinger model, 2013 curriculum learning.
Pembelajaran Matematika dengan Model Search, Solve, Create and Share (SSCS) di MAN 1 Muara Labuh Eliza, Rivdya; Aulia, Fitri
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.27

Abstract

The purpose of this research are: 1) to know the learning activity of learners mathematics which is taught by Search, Solve, Create, and Share (SSCS), and 2) model to know the ability of problem solving of mathematics learners who taught by SSCS learning model in the class XI MIA MAN 1 Muara Labuh academic year 2016/2017. This research belongs to a kind of quasi-experimental research with randomized control group only design. In this study design, a group of subjects taken from a particular population were randomly assigned into two groups, the experimental group and the control group. After analyzing the data, it is known that the learning activity of the students after applying the SSCS learning model has improved towards the better from the first meeting to the fifth meeting, ie 35%, 45%, 55%, 68%, 77%. Based on the hypothesis test obtained ttable = 1.645 and tcount = 2.598 so obtained (2.598> 1.645) at 95% confidence interval. Because tcount > ttable then hypothesis in this research accepted. Thus, students 'math-problem-solving skills taught by SSCS learning models are higher than the students' uneducated mathematical problem-solving skills with SSCS learning modelsKeywords: Problem solving abilities, search, solve, sreate and share (SSCS) learning models
Kemampuan Komunikasi Matematis dengan Accelerated Learning Aniswita Aniswita; Handayani Handayani
Math Educa Journal Vol 1, No 2 (2017)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v1i2.22

Abstract

Kemampuan komunikasi merupakan salah satu dari empat kemampuan yang dibutuhkan di abad 21 yang lebih sering disingkat dengan 4Cs. Pembelajaran matematika seyogyanya harus mampu mengembangkan kemampuan komunikasi khususnya komunikasi matematis tersebut. Hasil studi pendahuluan di salah satu sekolah menengah yaitu SMP N 2 Ampek Angkek kelas VII ditemukan bahwa 75,5 % siswa memiliki kemampuan komunikasi matematis di bawah 50%. Berdasarkan permasalahan di atas peneliti tertarik untuk meneliti kemampuan komunikasi matematis siswa kelas VII SMP N 2 Ampek Angkek dengan menerapkan pembelajaran Accelerated Learning. Jenis penelitian adalah eksperimen dengan pendekatan kuantitatif. Rancangan penelitian yang digunakan adalah The Static Group Comparizon Design. Populasi penelitian ini seluruh siswa kelas VII SMP N 2 Ampek Angkek. Sampel dipilih secara acak dan terpilih kelas VII3 sebagai kelas eksperimen dan kelas VII2 sebagai kelas kontrol. Data diperoleh dengan menggunakan tes kemampuan komunikasi matematis kemudian di analisis dengan menggunakan uji beda yaitu uji t. Hasil analisis data menunjukkan nilai t hitung 2,87 lebih besar dari dari t tabel  yaitu 1,68. Jadi dapat disimpulkan bahwa kemampuan komunikasi matematis siswa dengan Accelerated Learning lebih baik daripada pembelajaran konvensional di kelas VII SMP N 2 Ampek Angkek tahun pelajaran 2016/2017.Kata kunci: Kemampuan, komunikasi matematis, Accelerated Learning

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