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Dhanar Dwi Hary Jatmiko
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Jalan Kalimantan No. 37 Kampus Bumi Tegalboto, Jember, Jawa Timur
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INDONESIA
KADIKMA
Published by Universitas Jember
ISSN : 20850662     EISSN : 26863243     DOI : -
Core Subject : Education,
Mathematics
KadikmA (p-ISSN: 2085-0662 dan e-ISSN: 2686-3243) adalah jurnal nasional bidang Matematika dan Pendidikan Matematika yang diterbitkan oleh Program Studi Pendidikan Matematika, FKIP, Universitas Jember. Kadikma terbit 3 kali dalam setahun pada bulan April, Agustus dan Desember. Jurnal Matematika dan Pendidikan Matematika (Kadikma) berfokus pada penelitian matematika murni, matematika terapan, dan pendidikan matematika melalui artikel yang relevan. Jurnal Matematika dan Pendidikan Matematika (Kadikma) menyambut baik setiap artikel tentang penelitian matematika murni, penelitian matematika terapan, penelitian pendidikan matematika di dalam kelas yang relevan, mengevaluasi dan melaporkan praktik pendidikan guru dalam pembelajaran matematika, meninjau masalah topikal dan melaporkan keberhasilan dalam pendidikan matematika.
Arjuna Subject : Matematika - Matematika Terapan
Articles 539 Documents
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PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TEKNIK TWO STAY TWO STRAY (TSTS) BERBANTUAN CD INTERAKTIF UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA POKOK BAHASAN TABUNG DAN KERUCUT SISWA KELAS IX D SMP NEGERI 6 SITUBONDO TAHUN AJARAN 2013/2014 Astarina, Rizky; Suharto, S; Kristiana, Arika Indah
KadikmA Vol 6, No 2 (2015)
Publisher : KadikmA

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Abstract

Abstract. The purpose of two stay two stray method is to make the learning process more effective and improve the focus of students. In general, mathematics learning at schools is still a teacher centered, so the students become less active in teaching learning process. It causes the students become passive, bored, and the low score of the student learning achievement. Therefore, it needs an innovation of learning by applying a cooperative learning two stay two stray method combined interactive cd of cylinder and cone topic to improve the student learning achievement. The research subject is IX D students of SMP Negeri 6 Situbondo. The data collection method used in this research is interview, documentation, observation, and test. The research observed the activity of the teachers and the students. The result shows that the activity of the teachers and the students are significantly increasing in class IX D SMP Negeri 6 Situbondo the improvements of students’ activities are indicated by the average score of 77,26% for the first cycle, 85,73% for the second cycle of the action research. We can conclude that the two stay two stray method combined interactive cd, is efective to improve the student learning achievement in cylinder and cone topic. It is proved by the result of student learning achievement, which is from 48% to 80%. Key Words : cooperative learning two stay two stray, interactive cd, student learning achievement, cylinder and cone.
ANALISIS KECEPATAN ALIRAN HIDROGEN PEROKSIDA (H2O2) PADA STERILISASI SALURAN AKAR GIGI MENGGUNAKAN METODE NUMERIK VOLUME HINGGA Hardiyanti, Siska Aprilia; Dafik, D; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
Publisher : KadikmA

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Abstract

Abstract. The sterilization of tooth root canal is one of phases at treatment of endodontic or pulp treatment or commonly called tooth root canal treatment. This treatment is necessary because over the years many doctors assumed cavities tooth that cause pain and can not cure, should be pulled out. Endodontic treatment is the appropriate treatment for patient. Endodontic treatment is one of the measures to maintain the tooth in the mouth as long as possible when the pulp tissue has been infected. This research construct a model of tooth root canal and solve sterilization problem by using the finite volume method. Model of simulation process is solved using MATLAB and FLUENT software. The model which is constructed based on direction syringe spray and impeller pressure. Based on the result of the research, if angle of syringe spray is getting greater then the velocity is getting lower, if the angle of syringe spray is getting smaller then the velocity is getting higher. If the value of impeller pressure is more than 6 Pa then velocity is higher, if the value of impeller pressure is less than 6 Pa then velocity is negative value, whereas if the value of impeller pressure is 6 Pa then velocity is moderate value and the change of domain length of tooth root canal is not to great, so the spreading of velocity is evenly. Key Words : Treatment of endodontically, Sterilization of Root Canals, Angle of Syringe Spray, Impeller Pressure, Finite Volume Method.
NILAI KETAKTERATURAN TOTAL SISI DARI GRAF GUNUNG BERAPI Sholehah, Rukmana; Slamin, S; Dafik, D
KadikmA Vol 6, No 2 (2015)
Publisher : KadikmA

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Abstract

Abstract. For a simple undirected connected graph G(V,E) with vertex set V and edge set E a labeling  : V  E → {1, 2, 3, ..., k} is called a total k-labeling. A total k-labeling is defined to be an edge irregular total k-labeling of the graph G if for every two different edges uv and xy of G there is t(uv) ≠ t(xy). The minimum k for which the graph G has an edge irregular total k-labeling is called the total edge irregularity strength of the graph G, denoted by tes(G). In this paper, we determine the total edge irregularity strength of volcano graph tes(Gbm,n) and the total edge irregularity strength of s copies volcano graph tes(sGbm,n). Key Words : edge irregular total labeling, total edge irregularity strength, volcano graph
PEMODELAN WIND TURBINE ROTOR TIPE HAWT (HORIZONTAL AXIS WIND TURBINE) MENGGUNAKAN METODE VOLUME HINGGA Zahroh, Millatuz; Dafik, D; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract. A Wind turbine is a wind energy converters tool into electrical energy. To optimize the electrical energy converted, it needs for further research on wind turbine process. In this research, the analysis part of wind turbine is rotor, which is the contacted part to the wind. Type of wind turbine that will be analyzed in this study is HAWT (Horizontal Axis Wind Turbine) type because this model is the most often used type and can produce great electrical energy. This research construct a model of the air flow field form of wind turbine rotor and solve these problems by using the finite volume method. Model simulation process will be done by using MATLAB and FLUENT software. The analysis was performed with the variation initial velocity level of wind. It is 3 m/s, 5 m/s, and 7 m/s. The simulation results showed that the velocity of rotation wind turbine rotor blade higher when the initial wind velocity increases. Beside that, the result is when the initial wind velocity of 7 m/s and 5 m/s, the velocity of rotation wind turbine rotor blade tend to be more stable. With 5 m/s of wind velocity to wind turbine rotor, The difference between an average direct calculation and a SOR iterative calculation is obtained the value of relative error less than 0.1%. it is 0.079%. So the finite volume method of numerical methods is effective to solve this problem. Key Words : Electrical Energy, Finite Volume Method, Velocity, Wind Turbine,.
ANALISIS SIRKULASI UDARA PADA TANAMAN KOPI BERDASARKAN POLA TANAM GRAF PRISMA DAN TINGKAT KEMIRINGAN BATANG MENGGUNAKAN METODE VOLUME HINGGA P, Moch. Avel Romanza; Dafik, D; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
Publisher : KadikmA

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Abstract

Abstract. Coffee bean is one of the superior agricultural products in Indonesia. One of the factors that affect the productivity is the cropping pattern of coffee plants. A well organized cropping pattern will make a well organized air circulation which affects the productivity of coffee beans. In this research, a model of air circulation is built based on prism graph for the cropping pattern and solved by using Finite Volume Method (FVM). The model simulation process is done by using MATLAB and FLUENT software. The model is built according to the slope of stem and the temperature of coffee plantation. The temporary result of the research shows that prism graph cropping pattern results good air circulation and also gives good effect to the air circulation around the coffee plantation. The same thing happens to the effect of the slope of stem, the more upright the coffee plant is, the better air circulation and vice versa. Key Words : Coffee plants, air circulation, prism graph, Finite Volume Method (FVM)
PENERAPAN PEMBELAJARAN PEMECAHAN MASALAH MODEL POLYA UNTUK MENYELESAIKAN SOAL-SOAL APLIKATIF POKOK BAHASAN SEGI EMPAT PADA SISWA KELAS VII F SMP NEGERI 9JEMBER SEMESTER GENAP TAHUN AJARAN 2013/2014 Pratama, Septiyan Roby; Hobri, H; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract. Polya model is one of problem solving model that help the students for solving applicative math problems. Furthermore, Polya defines problem solving as an attempt to find the way out from one difficultness, and reach the unreachable objective that cannot be solved at once. The research aims are (1) how do the Polya problem solve appliment solve the applicative questions, (2) how do the activities of the students as long as Polya problem solve appliment occur to solve the applicative questions, (3) how do the student learn finishment after Polya problem solving appliment occur to solve the applicative question. The results showed improvement of the results of work of students using the Polya Model to solve the problem about applicative questions from first cycle to the next cycle. The research subjects are for analyzing qualitative and quantitative data. The research result shows that category activity in the “rexamine” and “presentation” are the lowest. The learning activity result in the first cycle are 64,1% student complete and not fulfill the classical absorptive power because of ≤ 70%. The second cycle result is increasing of learning result for 79,49% which means has reached classical complement. So, the research has fulfilled the research aims. Key Words : Polya Model Problem Solving, Students Activity,Result of Students’s Learning.
ANALISIS KECEPATAN ALIRAN UDARA PADA GEDUNG BERTINGKAT KARENA PENGARUH PENGHALANG DI DEPANNYA Susanto, Joni; Dafik, D; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract. The air flow velocity is one of many factor which should be considered in building a skyscraper. This is because the air flow velocity can affect the comfort of house room. The method which is used to solve the air flow analysis is a finite volume withusing Quadratic Upwind Interpolation Convective Kinematics (QUICK) discretization technique. Finite volume method is used to obtain a mathematical model of air flow velocity and QUICK is used to discretize it such that it will yield a linier equation system in a matrix of size (mn)×(mn). To simulate the air flow analysis is used Matlab and Fluent softwares. The result show that if the barrier is higher the air flow velocity will be decreased and if the distance of barrier is longerthe air flow velocity will be increased. It can be conclude that this analysis can be applied to have a comfort house room. Key Words : air flow velocity,mathematic model, finite volume method,QUICK
PENERAPAN MODEL PEMBELAJARAN LEARNING CYCLE 5E DENGAN METODE PEMBERIAN TUGAS DAN RESITASI UNTUK MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR MATEMATIKA PADA POKOK BAHASAN ARITMETIKA SOSIAL SISWA KELAS VII A SEMESTER GENAP SMP NEGERI 10 JEMBER TAHUN AJARAN 2 Lestari, Eka Cahya; Hobri, H; Kristiana, Arika Indah
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract.The purpose of this research is to increase student’s activities and learning achievement score. The research implemented Learning Cycle 5E model with giving assignment and recitation methods. This research type is a Classroom Actions Research (CAR) of two cycles, there are two classes in each cycle. The topic in the research is a social arithmetic. The research methods are observation, test, interview, and documentation. The data analysis in this research are student’s activities, student’s achievement score and teacher’s activities. The research show that the student activities for spiritual attitude attaine 65,28% and for social attitude attaine 68,55% in the first cycles and the student activities for spiritual attitude attaine 95,14% and for social attitude attaine 78,25% in the second cycles. The teacher’s activities attaine 85,19% in the first cycles and 96,30% in the second cycles, and the achievement score attaine 55,56% in the first cycles and 80,56% in the second cycles. It can be concluded that the implementation of Learning Cycle 5E model with giving assignment and recitation methods is able to improve student’s activities and learning outcome. Key Words : Learning Cycle 5E model with giving assignment and recitation methods, Social Arithmetic, student’s result study, student’s activities.
PENERAPAN PEMBELAJARAN PROBLEM BASED INSTRUCTION (PBI) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA POKOK BAHASAN TRIGONOMETRI DI KELAS X IPA 2 SEMESTER GENAP SMA NEGERI ARJASA TAHUN AJARAN 2013 -2014 B, Girlda Elynikie; Trapsilasiwi, Dinawati; Fatahillah, Arif
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract. The problem based learning model or known as Problem Based Instruction (PBI) always presents problems in real life context. This learning model has brought the students to get involved in the process of finding and investigating. The steps in this learning model were directing the students to the problems, organizing the students to learn, helping independent and group investigation, developing and presenting artifact and exhibits, and also analyzing and evaluating of problem solving. This research applied two cycles covering planning, action, observing, and reflection. The Approach used in this research was qualitative approach. This research was a Class room Action Research Design (CAR). This research design was adopted from Hopkin’s, which each cycle has four phases or steps, those are planning, action, observing, and reflection, and then continued to the following cycle. Data collection method used in this research was test, observation, documentation, and interview. Acording to the observation, the students individual activity from the first up to the fourth meeting is 69,87%, 72,22%, 74,3% and 79,72%, and the students group activity from the first up to the fourth meeting is 75,27%, 76,13%, 80,83% and 91,1%. The percentage of the students who achieved the target was 82.5%, with 7 students were failed in the first cycle. In the second cycle, the percentage of the students who achieved the target was 95% with 2 students were failed. Key Words : Problem Based Instruction, Achievements
IMPLEMENTASI PEMBELAJARAN BERBASIS LESSON STUDY UNTUK MENGEMBANGKAN KARAKTER KEMANDIRIAN BELAJAR SISWA KELAS VII C SMP NEGERI 9 JEMBER SEMESTER GENAP TAHUN AJARAN 2013/2014 PADA SUB POKOK BAHASAN GARIS DAN SUDUT Chandrasari, Titis Rini; Trapsilasiwi, Dinawati; Kurniati, Dian
KadikmA Vol 6, No 2 (2015)
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Abstract

Abstract. Lesson Study is an effort to improve the quality of learning and development of teacher’s professionality. The aim of implementation learning based Lesson Study in class VII C SMP Negeri 9 Jember to develop a character learning independence of students. Lesson Study based learning in this research went smoothly and accordance with the planned stages. The result shows the development of character learning independence from cycle I to cycle III. Lesson Study based learning is able to develop a character learning independence. It is show by a rise in the percentage of each indicator that shows the character learning independence. Key Words : Lesson Study, Learning Independence

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