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Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika
Published by Universitas Dr. Soetomo Surabaya
ISSN : 23379421     EISSN : 25811290     DOI : -
Core Subject : Education,
Education Mathematics
urnal SOULMATH berisi tulisan yang berasal dari hasil penelitian, kajian, atau karya ilmiah di bidang Pendidikan Matematika. Terbit dua kali setahun yaitu Maret dan Oktober. Artikel yang masuk akan direview oleh reviewer yang berkompeten di bidangnya.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 6 No 1 (2018)" : 5 Documents clear
PEMAHAMAN KONSEP MATEMATIKA SISWA MELALUI MODEL PEMBELAJARAN AIR (AUDITORY , INTELLECTUALY, REPETITION) DAN MODEL PEMBELAJARAN COURSE REVIEW HORAY PADA SISWA KELAS XI IPA SMA BUDI UTOMO JOMBANG Purnomo, Bambang
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.818 KB) | DOI: 10.25139/sm.v6i1.376

Abstract

Tujuan penelitian ini adalah melihat efektivitas penerapan model pembelajaran AIR (Auditory, Intellectualy, Repetition) dan Model Pembelajaran Course Review Horaydalam meningkatkan pemahaman konsep matematika bagi siswa SMA. Penelitian ini dilatarbelakangi oleh rendahnya pemahaman konsep matematika yang menyebabkan minat belajar siswa juga sangat rendah dalam pelajaran matematika. Penelitian ini dilakukan dengan menggunakan metode gabungan penelitian eksperimen dan penelitian deskriptif. Rancangan penelitian yang digunakan adalah Randomized Control Group Only Design. Dari analisis data yang dilakukan terlihat bahwa terdapat peningkatan pemahaman konsep matematika setelah menerapkan model pembelajaran AIR dan Model Pembelajaran Course Review Horay.
PRESERVICE TEACHERS’ TECHNIQUES FOR GENERATING NEW PROBLEMS Fardah, Dini Kinanti
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (840.924 KB) | DOI: 10.25139/sm.v6i1.778

Abstract

Evaluating students’ achievement is one significant part of teachers’ pedagogical competency. However, teachers should give problems in vary to their students. The ability of the teachers in developing the new problem from the existing or available problems is necessary to be mastered. This paper aimed to analyze preservice teachers’ techniques in developing new problems. Twenty-nine preservice teachers who had experience in internship program were given three mathematical problems each in probability, trigonometry and number and pattern. They were asked to generate new problems from those problems given. The techniques used by the teachers on generating new problems from the original problems were analyzed and classified as replacement, addition, modification, contextualizing the problem, turning around the problem, and reformulation technique. In summary, teachers are most frequently taking the same given information but changing the problem from the old one. Teachers were still unfamiliar to turn the problem around by taking the end goal as given and the given as the end goal. The implication of this study is lecturers of mathematics education program especially in the subject that contains assessment and evaluation need to consider about developing the preservice teachers’ ability to generate new problems from the old or existing problem given in all types of the development.
APLIKASI METODE TRANSPORTASI DALAM OPTIMASI BIAYA DISTRIBUSI BERAS SEJAHTERA PADA PERUM BULOG SUB-DIVRE SIDOARJO Azizah, Nuril Lutvi; Suryawinata, Mohammad
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (666.656 KB) | DOI: 10.25139/sm.v6i1.781

Abstract

Transportation method is a method used to manage the distribution of sources that provide the same product, to places that require optimally so that the cost of distribution issued is minimal. This method can be used to determine the most effective allocation of goods from a source to a destination at the most possible optimal cost. This research was conducted on Bulog Divre of East Java with Case Study of Bulog Sub-Divre Sidoarjo for several rice distributions located in the district in Sidoarjo. The aims of this research is to determine whether the Transportation Method can provide an efficient solution of costs on the distribution of prosperous rice in the region of Sidoarjo. The method used in this research is VAM (Vogel’s Aprroximation Method) method used to analyze the initial fiscal solution, and enhanced by MODI (Modified Distribution Method) method to analyze the most optimal cost. From the calculation by transportation method, it is found that the optimum cost is lower than the calculation of the company, where the cost obtained by transportation method is Rp.85.186.035,750,- while the cost of the company calculation is Rp.87.209.690,750. Thus the use of transportation methods can save RASKIN distribution costs of Rp.2.023.655,000, -.
KLASTERING SUARA BERDASARKAN GENDER MENGGUNAKAN ALGORITMA K-MEANS DARI HASIL EKSTRAKSI FFT (Fast Fourier Transform) Izzah, Nailul
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (701.344 KB) | DOI: 10.25139/sm.v6i1.790

Abstract

Speech recognition process is kind of applied  Technique of digital sign process that is widely used for many applications, for example technology in the field of telecommunications  which isn't  only able to provide for serving for sending text data but also it can serve for sending data using sound. From technology development of signal process emerges new idea to make application program by creating new sofware to display sound signal characteristic based on frequency and highest magnitude. Clustering is part of pattern recognition science which is made for system that can perform into a groups. In this research, the researcher will distinguish between male voice or female voice. Mechanism process uses Collecting  voice samples, then the feature extraction using  FFT  that  produce  two main  features  that is maximum  value of  frequency and maximun  value of  magnitude. After that, k-means alogarithm process is used  for grouping voice of  male clusteror  female cluster. The  result of this research uses 20 training data  and 20 testing data that will  produce 75% level of accuracy for training data and 100% for testing data.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS MELALUI PENERAPAN MODEL COOPERATIVE LEARNING TIPE GROUP INVESTIGATION (Studi Pada Siswa SMK Dr. Soetomo Surabaya) Rusdiana, Eva; Sucipto, Sucipto
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 1 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.88 KB) | DOI: 10.25139/sm.v6i1.925

Abstract

This study aims to describe the application of the cooperative learning model of type group investigation (GI) in improving the ability of critical thinking mathematically. Research using qualitative approach to this type of classroom action research. The subject of research is the grade XI Accounting 1SMK Dr. Sutomo Surabaya totaled 41 students. Results of the study concluded that the application of the cooperative learning model of type group investigation (GI) proved to be able to improve the ability of critical thinking mathematically from very low to high category in two cycles. Based on the findings of the research are expected to mathematics teacher SMK Dr. Sutomo Surabaya make cooperative learning model type group investigation (GI) as an alternative to improve the ability of critical thinking mathematically students.

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