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Wahyu Hidayat
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Jurnal Infinity
Published by IKIP Siliwangi
ISSN : 20896867     EISSN : 24609285     DOI : https://doi.org/10.22460/infinity
Core Subject : Education,
Mathematics
Jurnal Infinity, a peer reviewed journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to mathematics education. This journal is designed and devoted not only to Indonesian Mathematics Educators Society (IMES) and Indonesian Mathematics Society (IndoMS) members but also to lecturers, researchers, mathematics school teachers, teacher educators, university students (Master and Doctoral) who want to publish their research reports or their literature review articles (only for invited contributors), and short communication about mathematics education and its instructional. Besides regular writers, for each volume, the contents will be contributed by invited contributors who experts in mathematics education either from Indonesia or abroad. The Journal invites original research articles and not simultaneously submitted to another journal or conference. The whole spectrum of research in mathematics education are welcome, which includes, but is not limited to the following topics: Mathematics Ability, Realistic Mathematics Education (RME), ICT in Mathematics Education, Design/Development Research in Mathematics Education, Ethnomathematics
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 336 Documents
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THE EFFECTIVENESS OF MACROS-BASED COGNITIVE DOMAIN EVALUATION MODEL IN SENIOR HIGH SCHOOL BASED ON THE CURRICULUM 2013 Djoko Purnomo; Harjito Harjito; Rina Dwi Setyawati; Muhammad Prayito
Jurnal Infinity Vol 5 No 2 (2016): Volume 5 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v5i2.p141-146

Abstract

The particular objective of this study was to investigate the effectiveness of implementation of learning device in the form of macros-based cognitive domain evaluation model via E-learning applied at 10th grade of senior high school in the odd semester based on the curriculum 2013. The method of this study followed the procedures of R & D (Research & Development) developed by Borg and Gall. The results of the research and application development of macros-based evaluation model are effective which can be seen from (1) the results of students’ mastery learning, (2) students’ independence gives positive effect on learning outcomes, (3) the learning results of students who used macros-based learning evaluation model of cognitive domain are better rather than those in control class. Based on the above results, it can be concluded that macros-based learning evaluation model of cognitive domain tested has met the quality standards.
THE EFFECTIVENESS OF GUIDED DISCOVERY LEARNING TO TEACH INTEGRAL CALCULUS FOR THE MATHEMATICS STUDENTS OF MATHEMATICS EDUCATION WIDYA DHARMA UNIVERSITY Yuliana Yuliana; Tasari Tasari; Septiana Wijayanti
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p01-10

Abstract

The objectives of this research are (1) to develop Guided Discovery Learning in integral calculus subject; (2) to identify the effectiveness of Guided Discovery Learning in improving the students’ understanding toward integral calculus subject. This research was quasy experimental research with the students of even semester in Mathematics Education Widya Dharma University as the sample. Cluster Random sampling was conducted to determine control group that was taught using Conventional model and experimental group that was taught using Guided Discovery Learning model. The instruments of this research included pre-test, post-test, and student’s response questionnaire. The data of post-test was analyzed using T-test. The result was H0 was rejected for the level of significance The result of this data analysis found out that Guide Discovery Learning was more effective than Conventional Model. It was supported by the result questionnaire. The result of questionnaire that  more than 75% questionnaire items got 67.65% positive response. It means Guided Discovery Learning can increase students’ interest in joining integral calculus class.
THE EFFECT OF PROBLEM POSING APPROACH TOWARDS STUDENTS’ MATHEMATICAL DISPOSITION, CRITICAL & CREATIVE THINKING ABILITY BASED ON SCHOOL LEVEL Adi Nurjaman; Indah Puspita Sari
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p69-76

Abstract

The background of this study is the school of the new students of mathematics education courses came from grade high, medium and low. Here the writer wants to see how much influence of the school level on new students’ critical thinking skills and creative mathematical. The purpose of this study was to examine differences in new students’ mathematical disposition, critical & creative thinking ability through the mathematical problem posing approach based on school level (high, medium, low). The method used in this research is the experimental method, with only posttest design. The population of this study is all the students of mathematics education department in Cimahi; while the sample is selected randomly from one college. Then from this chosen college is taken two samples from random class. The instrument of essay test is used to measure students’ critical and mathematical creative thinking ability; while non-test instrument is questionnaire of attitude scale. The results show that: 1) based on the school level (high, medium, and low); there is difference in students’ mathematical critical thinking ability through problem posing approach. 2) based on the school level (high, medium, and low); there is difference in the students’ mathematical critical thinking ability through problem posing approach. 3) based on the school level (high, medium, and low); there is difference in students’ mathematical disposition.
EXPERIMENTATION OF SPICES LEARNING STRATEGIES WITH THE METHOD OF PROBLEM BASED LEARNING (PBL) TO BUILD MOTIVATION AND THE ABILITY TO THINK LOGICALLY FOR VOCATIONAL SCHOOL STUDENTS Anggita Maharani; Laelasari Laelasari
Jurnal Infinity Vol 6 No 2 (2017): VOLUME 6 NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i2.p149-156

Abstract

This study aims to expose the interactions that occur in the process of mathematics learning and describe a method of learning motivation and logical mathematical thinking of students in classes. The method used in this research was a quasi-experimental design group post-test. In its implementation, this study uses a class experiment. Qualitative data are obtained in the form of motivational learning scale, whereas the quantitative data in the form of logical thinking ability score using normalized gain. The results showed the existence of a positive interaction during learning. However, learning motivation of students didn’t show a significant improvement. While the logical thinking ability of students after learning of mathematics using the strategy of SPICES with PBL method is in the category is fair. In its implementation, the strategy of SPICES needed support some teachers from several fields of science.
A RELATIONSHIP BETWEEN PROBLEM SOLVING ABILITY AND STUDENTS’ MATHEMATICAL THINKING Nita Delima
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p21-28

Abstract

This research have a purpose to know is there an influence of problem solving abilty to students mathematical thinking, and to know how strong problem solving ability affect students mathematical thinking. This research used descriptive quantitative method, which a population is all of students that taking discrete mathematics courses both in department of Information Systems and department of mathematics education. Based on the results of data analysis showed that there are an influence of problem solving ability  to students mathematical thinking either at department of mathematics education or at department of information systems. In this study, it was found that the influence of problem solving ability to students mathematical thinking which take place at mathematics education department is stonger than at information system department. This is because, at mathematics education department, problem-solving activities more often performed in courses than at department of information system. Almost 75% of existing courses in department of mathematics education involve problem solving to the objective of courses, meanwhile, in the department of information systems, there are only 10% of these courses. As a result, mathematics education department student’s are better trained in problem solving than information system department students. So, to improve students’ mathematical thinking, its would be better, at fisrtly enhance the problem solving ability.
ANALYSIS OF STUDENTS' MATHEMATICAL POWER IN TERMS OF STIFIN TEST Isna Rafianti; Heni Pujiastuti
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p29-36

Abstract

This research is motivated by the poor performance of students in particular mathematical power. One reason is that learning tends to be centered on teachers who emphasize the procedural process, mechanistic task and less provide opportunities for students to develop the ability to think mathematically. In terms of learning, each individual has their advantages and disadvantages to absorb the lessons given. But in the world of education is now known various methods in order to meet the demands of individual differences, one of which is STIFIn to determine the dominance of machine intelligence to make students more comfortable in the learning process that is expected to enhance the mathematical power. This research approach is qualitative descriptive that seeks to analyze the characteristics of students’ mathematical power in terms of STIFIn. This research was conducted in SMAN 2 Kota Serang, with research subjects are five students of eleven grade derived from each type STIFIn different categories according to STIFIn. Instruments in this study are mathematical power test and interview. The results showed that mathematical power of Thinking and Sensing type has higher than the other type, followed by the type Feeling, Intuiting and the last is the type of Instinct.
DEVELOPING STUDENTS’ ABILITY OF MATHEMATICAL CONNECTION THROUGH USING OUTDOOR MATHEMATICS LEARNING Saleh Haji; M Ilham Abdullah; Syafdi Maizora; Yumiati Yumiati
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p11-20

Abstract

The Purpose of this study is to determine the achievement and improvement of students’ mathematical connectionability through using outdoor mathematics learning. 64 students from the fifth grade of Primary School at SDN 65 and SDN 67 Bengkulu City were taken as the sample of this study. While the method of the research used in this research is experiment with quasi-experimental designs non-equivalent control group. The results of the study are as follows: (1) There is an increasing ability found in mathematical connection of students whom taught by using outdoors mathematics learning is 0,53; (2) Based on statical computation that achievement of students’ ability of mathematical connection is taught by using outdoor mathematics learning score is 71,25. It is higher than the students score 66,25 which were taught by using the conventional learning. So as to improve students’ mathematical connection, teachers are suggested to use the outdoors mathematics learning
THE ANALYSIS OF DIAGNOSTIC ASSESSMENT RESULT IN PISA MATHEMATICAL LITERACY BASED ON STUDENTS SELF-EFFICACY IN RME LEARNING Khaerunisak Khaerunisak; Kartono Kartono; Isti Hidayah; Ahmad Yusril Fahmi
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p77-94

Abstract

This research aimed to test RME learning with an effective scientific approach to improving mathematical literacy and self-efficacy, obtaining an overview of the mathematical literacy diagnostic assessment results that has high, medium and low self-efficacy as well as student difficulties in learning RME with a scientific approach. This research using mix method concurrent embedded with the subject of research is students class VIII. The research begins with a mathematical literacy diagnostic assessment and self-efficacy inventory then performed RME learning in experimental class and conventional learning in control class. Quantitative analysis was conducted to test the effectiveness of learning and deepened with the interview as a qualitative analysis. Learning RME with a scientific approach effective is marked by the achievement of classical completeness, the proportion of students' mathematical literacy, self-efficacy and the difference in pre-post students’ mathematical literacy on RME learning better than conventional learning. The results of students’ mathematical literacy diagnostic assessment fit the criteria of self-efficacy students except for medium mathematical literacy that having high self-efficacy. Student difficulties in RME learning with the scientific approach are based on the results of mathematical literacy diagnostic assessment, namely language skills problem, the capacity to understand, create strategies, and create the algorithm.
THE ENHANCEMENT OF MATHEMATICAL PROBLEM SOLVING ABILITY OF SENIOR HIGH SCHOOL STUDENTS THROUGH QUANTUM LEARNING Julita Julita
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p37-50

Abstract

This study is aimed to examine the quality of quantum learning imfluence toward the enhancement of mathematical problem solving ability of Senior High School students, both viewed entirely and based on mathematical initial ability (MIA) category.  In particular, this study is aimed to examine enhancement difference of students’ mathematical problem solving ability in a whole and in each level of mathematical initial ability (high, medium and low) between students who receive quantum learning and students who receive conventional learning. This study use experimental quasi with pretests-posttest control group design.  Population of this study are Senior High School students in Bogor City. Data is obtained through problem solving ability test and mathematical initial ability data. The result of study showed that students who receive quantum learning have enhancement of mathematical problem solving ability which is higher than students who receive conventional learning. There is no difference enhancement of mathematical problem solving ability both entirely and in each level of mathematical initial ability, except for students with high level of initial mathematical ability
DEVELOPMENT OF TEACHING MATERIALS ALGEBRAIC EQUATION TO IMPROVE PROBLEM SOLVING sri adi widodo
Jurnal Infinity Vol 6 No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v6i1.p59-68

Abstract

Problem-solving skills are the basic capabilities of a person in solving a problem and that involve critical thinking, logical, and systematic. To solve a problem one-way necessary measures to solve the problem. Polya is one way to solve a mathematical problem. by developing teaching materials designed using the steps in solving problems Polya expected students could improve its ability to solve problems. In this first year, the goal of this study is to investigate the process of learning the hypothetical development of teaching materials. This study is a research & development. Procedure development research refers to research the development of Thiagarajan, Semmel & Semmel ie 4-D. Model development in the first year is define, design, and development. The collection of data for the assessment of teaching materials algebra equations conducted by the expert by filling the validation sheet. Having examined the materials of algebraic equations in the subject of numerical methods, reviewing the curriculum that is aligned with KKNI, and formulates learning outcomes that formed the conceptual teaching material on the material algebraic equations. From the results of expert assessment team found that the average ratings of teaching materials in general algebraic equation of 4.38 with a very good category. The limited test needs to be done to see effectiveness teaching materials on problem-solving skills in students who are taking courses numerical methods

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