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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 PENDEKATAN PEMECAHAN MASALAH MENURUT POLYA MATERI PERSEGI DAN PERSEGI PANJANG UNTUK MENINGKATKAN HASIL BELAJAR SISWAKELAS VII B SMP NEGERI 10 JEMBER TAHUN AJARAN 2012/2013 Pramita N, Wirdah; Pambudi, Didik Sugeng; Kristiana, Arika Indah
Kadikma Vol 5 No 2 (2014): Agustus 2014
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v5i2.1353

Abstract

Abstract.In general, mathematics learning at schools is still a teacher centered, so the students become less active in teaching-learning process. Beside that, the students are also never given a problem-solving work done in groups. It causes the students become passive and just listen to the teacher’s explanation. It makes the students bored and invites difficulties in learning mathematics. It also causes the low score of the student learningachievement. Therefore, it needs a development of learning by applying a problem-solving approach as Polya says about square and rectangular objects to improve the student learning achievement of class VII B in SMP Negeri 10 Jember 2012/2013 academic year. Polya says, in a problem-solving approach, there are four steps, include: understanding the problem, devising a plan, carring out the plan, and looking back. Based on the research, the application of problem-solving approach, as Polya underlines, is effective to improve the student learning achievement in square and rectangularobjects. It is proved by the result of student learning achievement, which is from 58,33% to 88,89%. Key Words:Polya’s problem solving approach, square and rectangular, student learning achievement.
NILAI KETAKTERATURAN TOTAL SISI DARI GRAF TUNAS KELAPA A, Moch. Zaenal; Slamin, S; Setiawani, Susi
Kadikma Vol 5 No 3 (2014): Desember 2014
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v5i3.1370

Abstract

Abstract. A total edge irregular labeling on a graph G which has |E| edges and |V| vertices is an assignment of positive integer number as labels to both vertices and edges so that the weights calculated at every edges are distinct. The weight of an edge xy in G is defined as the sum of the label of xy and the labels of two vertices x and y, that is w(xy) = (x)+ (xy)+ (y). The total edge irregularity strength of G, denoted by tes(G), is the smallest positive integer k for which G has an edge-irregular total k-labelling. In this paper, we determine the exact value of the total edge (vertex) irregularity strength of Coconut Sprout Graph (CRn,m) and the union of isomorphic and non-isomorphic Coconut Sprout Graph. Key Words : total edge irregular labeling, total edge irregularity strength, coconut sprout graph.
NILAI KETAKTERATURAN TOTAL SISI DARI GRAF SIPUT Novindasari, Shapbian; Slamin, S; Dafik, D
Kadikma Vol 6 No 1 (2015): April 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i1.1833

Abstract

Abstract. Let G=(V,E) be a simple graph, a labeling is called an edge irregular total k-labelling of G if for any two different edges e and f of G there is, . The total edge irregularity strength denoted by tes G is the smallest positive integer k for which G has an edge irregular total k-labelling. In this paper, we will determine the total edge irregularity strengths of a Snail graph, the union isomorphic and non-isomorphic union of Snail graph, and shackle graph of Snail graph. We show that , for , , for and , , for where natural numbers, and , for and Key Words: Total edge irregular labeling, Total edge irregularity strength, Snail graph.  
ANALISIS PROSES BERPIKIR SISWA DALAM PEMECAHAN MASALAH TERBUKA BERBASIS POLYA SUB POKOK BAHASAN TABUNG KELAS IX SMP NEGERI 7 JEMBER Safrida, Lela Nur; Susanto, S; Kurniati, Dian
Kadikma Vol 6 No 1 (2015): April 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i1.1825

Abstract

Abstract. The research aims to describe the students’ thinking process of 9th grade of Junior High School in solving the open problem according to their capability in solving problem based on Polya’s solution step. Data analysis is done based on written test and interview techniques. The subject of research is students of IXA class at SMPN 7 Jember in odd semester academic year 2013-2014. The data of research are obtained by validation sheet, written test, and interview techniques. Students experience disequilibrium when they don’t understand about the qestion’s sentence and when she can’t determine the ways to solve the problem, also when she can’t determine the ways to check the result that has already gotten when she does the plans. Students experience assimilation when they can mention what is known and what is asked  from the problems immediately without reck of true or false, also when  they can determine the ways to solve the problems and when they are doing the computations. Students experience accomodation when they are quiet and confuse before they can determine the problem’s condition, also when she is doing the computation and when she is quite before she can determine the ways to solve the problem. Students experience assimilation and accomodation to reach the equilibrium phase. Key Words: thinking process, open problem, and Polya’s solution step.
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): Agustus 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i2.1983

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 DESKRIPTIF SOAL MATEMATIKA PADA SELEKSI PENERIMAAN PESERTA DIDIK BARU SMA/SMK TAHUN AJARAN 2012/2013 DAN 2013/2014 KABUPATEN JEMBER Nurandari, Devira Ayu; Setiawan, Toto' Bara; Kristiana, Arika Indah
Kadikma Vol 6 No 2 (2015): Agustus 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i2.1991

Abstract

Abstract. The goal of this research aims to describe mathematics test on the new students’ environment of senior high and vocational schools in the 2012/2013 and 2013/2014 academic year in Jember. The descriptions are about cognitive level of revised of Bloom’s taxonomy and characteristic of questions. The cognitif level was determined based on the indicators made by the researcher. Validity, reliability, difficulty index, and discriminatory power of the questions were calculated based on the result of the test. Cognitive level, validity, and discriminatory power of the questions in 2012/2013 academic year are bad but its reliability and difficulty index are good. Cognitive level, validity, difficulty index and discriminatory power of the questions in 2013/2014 academic year are bad but its reliability is good. Key words: new students’ environment, revised of Bloom’s taxonomy, characteristic of questions
PROFIL BERPIKIR KRITIS SISWA KELAS VII-A SMP NEGERI 1 JEMBER DALAM MENYELESAIKAN SOAL ARITMETIKA SOSIAL Sugiarti, Titik; Suryanti, Putri Dwi; Susanto, Susanto
Kadikma Vol 8 No 1 (2017): April 2017
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v8i1.5136

Abstract

Abstract. This study aims to describe the critical thinking ability of students of class VII-A SMP Negeri 1 Jember in solving the problem of social arithmetic. The type of this research is descriptive research with qualitative approach. Data collection methods used were tests and interviews. The subjects of the study were students of class VII A SMP Negeri 1 Jember which amounted to 36 students. Thinking ability of students can be seen from the ability to analyze the information contained in the question, the ability to analyze the intended purpose in question, able to provide assumptions or opinions about the problem, able to determine the solution contained in the problem, able to develop other reasonable ways of completion, able to write down the answers or solutions of the problems, able to determine the conclusions of the solution problems that have been obtained. The results show that students are able to analyze the problem well and can meet 6 of the 7 indicators of critical thinking. One unfulfilled indicator is the ability to find alternative ways to find solutions of the problems. From the answers obtained from students can be concluded that the students of class VII-A are able to think critically well by analyzing the information contained in the question, although not yet can use alternative other ways of completion. Keywords: Social Arithmetic,Critical Thinking, Critical Thinking Skills, Problem Solving.
PROFIL BERPIKIR KRITIS SISWA KELAS VII MTs NEGERI JEMBER 1 FILIAL DALAM MENYELESAIKAN SOALOPERASI HITUNG BILANGAN PECAHAN BERDASARKAN GENDER Krisagotama, Fisdianti; Susanto, Susanto; Kurniati, Dian
Kadikma Vol 6 No 3 (2015): Desember 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i3.5209

Abstract

Abstract.This research aimsto describethe students' critical thingking profile according to gender in solving mathematics problem of arithmetic operation sub subject of fraction at seventh grade MTs Negeri Jember 1 Filial. The standart of critical thingking in this research consist of clarity, precision,accuracy, relevance, consistency, logical correctness, completeness, andfairness. The instruments in this research are mathematicstest and interview guidelines. This research subject is all of the seventh grade students at MTs Negeri Jember 1 Filial.Six students of them as the representative good communication consist of 3 female students and 3 male students. Male students not appropriate with all of critical thingking standart. They are understand of the question in the mathematics test but actually they cannot resolve those mathematics test. Famalestudents mostly appropriate with all of clarity and fairness critical thingking standart. They are understand of the problem in the mathematics test but accualy they cannot resolve those mathematics test correctly. Key Words: Critical Thingking, Gender, and Arithmetic Operation Sub Subject of Fraction
PROSES BERPIKIR SISWA TUNAGRAHITA RINGAN DALAM MEMAHAMI KONSEP SEGITIGA BERDASARKAN TEORI VAN HIELE Eka, Rizqi; Susanto, Susanto; Setiawani, Susi
Kadikma Vol 6 No 3 (2015): Desember 2015
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v6i3.5221

Abstract

Abstract. This research describes about thinking process of students with light intellectualdisabilities in understanding concept of triangle. The thinking of students with light intellectualdisabilities based on the Piaget's stage that is disequilibrium, assimilation, accommodation andequilibrium. The description of the thinking of students with light intellectual disabilities will beassociated with the Van Hiele theory. The instrument used in this research was question tests aboutconcept of triangle and guidance interview to dig thinking process of students with light intellectualdisabilities in understanding concept of triangle. When students are confuse or imbalance whengiven test item is called disequilibrium. Stages assimilation occurs when students acquire newknowledge, then if the students are already familiar with the new knowledge will be accommodation.If assimilation and accommodation there will be a balanced is called equilibrium. The resultsshowed that student can mention the character of triangle so well that the student are at level 1(analysis) Van Hiele theory. The other student can also mention the character of triangle, but thecharacter of the vertex of a triangle can not be mentioned so well, therefore that student is at thelevel 0 (visualization) Van Hiele theory.Keywords: Piaget's Stage, Theory Van Hiele, Thinking Process, Students with Light IntellectualDisabilities
IDENTIFIKASI KESALAHAN SISWA BERKECERDASAN VISUAL SPASIAL DALAM MENYELESAIKAN SOAL MATEMATIKA BANGUN RUANG SISI DATAR Romadhoni, Linda; Setiawan, Toto' Bara; Hobri, Hobri
Kadikma Vol 8 No 1 (2017): April 2017
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v8i1.5272

Abstract

Abstract. This research is descriptive research with qualitative approach. The purpose of this study was to identify errors made by students of spatial, moderate, and low visual intelligence in solving math problems. The instrument used is a sheet of spatial visual intelligence test test, a sheet of flat space side wake, and interview guide. The subjects used were 2 students with high spatial visual intelligence, 2 students with medium spatial visual intelligence, and 2 students with low spatial visual intelligence. This grouping is based on the results of a spatial visual intelligence test. The student error indicators used are 5 types, including fact errors, concept errors, operation errors, principle errors, and other errors. Factual errors, operations, and principles merupapakan characteristics of visual intelligence spatial problem solving, while the error of the concept consisting of the error of drawing objects including the characteristics of the imagination and determine the pattern is a pattern search characteristics. Students with high spatial visual intelligence make a mistake of facts and operational errors. Students with spatial visual intelligence are making a mistake of facts, concept errors, operational errors, and other errors. Students with low spatial visual intelligence make a mistake of facts, concept errors, operational errors, principle errors, and other errors. When viewed from the characteristics of spatial visual intelligence, students with high spatial visual intelligence make mistakes on the characteristics of problem solving, students with spatial visual intelligence are making mistakes on the characteristics of imagination, conceptualization, problem solving and pattern searching, as well as students with low spatial visual intelligence performing the same thing. Key Words: Spatial Visual Intelligence, Student Error Identification, Geometric the Flat Side

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