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Jurnal Infinity

infinity
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Published by STKIP Siliwangi Bandung

ISSN : 20896867 EISSN : 24609285 DOI : -

Core Subject : Education,

Education

Infinity Journal published by STKIP Siliwangi Bandung (IKIP Siliwangi) and Indonesian Mathematics Educators' Society (IMES) publishes original research or theoretical papers about teaching and learning in a mathematics education study program on current science issues.

Arjuna Subject : -

Articles 339 Documents

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ANALYSIS OF ABSTRACT REASONING FROM GRADE 8 STUDENTS IN MATHEMATICAL PROBLEM SOLVING WITH SOLO TAXONOMY GUIDE Kusmaryono, Imam; Suyitno, Hardi; Dwijanto, Dwijanto; Dwidayati, Nurkaromah
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

This research was a descriptive research. Description of research result was presented quantitatively and qualitatively. Subjects of the research were 30 (thirty) 8th graders of SMPN 10 (State Junior High School) in Semarang, Indonesia. Data were collected through tests, documentation, observations, and interview. Student answers documents were observed and analyzed with SOLO Taxonomy guidance. The objective of the study was to analyze and provide an interpretation of students abstract reasoning level in cognitive development based on intended learning outcomes. The result of findings from studentsâ€™ answers basically showed that students' abstract reasoning on the lower, middle and upper level, was alike to stages of structure complexity improvement. There were two main changes from concrete thinking to abstract thinking: quantitative stage (uni-structural and multi-structural) occurred first, as the number of details in student responses increased and then changed qualitatively (relational and extended abstract) because the detail was integrated into a structural pattern.

THE EFFECTIVENESS OF PROBLEM-BASED LEARNING WITH SOCIAL MEDIA ASSISTANCE TO IMPROVE STUDENTS’ UNDERSTANDING TOWARD STATISTICS Yuliana Yuliana; Fery Firmansah
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The objectives of the research are (1) to develop mathematics learning through Problem Based Learning (PBL) with social media assistance in improving students’ understanding toward statistics and (2) to find out the effectiveness of PBL with social media assistance. This research is a quasi-research with cluster random sampling. The cluster random sampling was employed to determine a control class and an experimental class. After treatment for each class, post-test was done. Then, the post-test data was analyzed through a T-test. The result is the mean score of post-test in experimental class was better than that in control class. It means PBL with social media assistance is more effective than the conventional model to teach statistics. The result was supported by a questionnaire that showed learning mathematics through PBL with social media assistance got a positive response from the students.

THE STUDENTS’ MATHEMATICAL ABSTRACTION ABILITY THROUGH REALISTIC MATHEMATICS EDUCATION WITH VBA-MICROSOFT EXCEL Nelly Fitriani; Didi Suryadi; Darhim Darhim
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The purpose of this research is to analyze the level of abstraction mathematical ability of the students through learning using Realistic Mathematics Education (RME) with Visual Basic Application (VBA) for Microsoft Excel. This research uses a descriptive qualitative method and the subject of this study is junior high school students of grade 9th in one school in Ngamprah as many as 35 students. One of the instruments in this study is the abstraction test. Results show that as many as 65.71% of students are in the first level of Perceptual Abstraction. As many as 57.14% of students are in the second level of Internalization. As many as 31.43% of students are in the third level of Interiorization, and as many as 17.14% of students are at the last level, namely Second Level of Interiorization. Overall, the sample in this study can be categorized into four levels of abstraction.

GEOMETRY EXPLORATION ACTIVITIES ASSISTED WITH DYNAMIC GEOMETRY SOFTWARE (DGS) IN A TEACHER EDUCATION CLASSROOM Samsul Maarif; Wahyudin Wahyudin; Muchamad Subali Noto; Wahyu Hidayat; Herri Mulyono
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The aims of this study were conducted to investigate the effectiveness of pre-service teachers’ geometric exploration activities assisted by Dynamic Geometry Software (DGS) Cabri II Plus computer application in constructing geometry proofs in a teacher education classroom. To these ends, mix-method design. A total of 72 pre-service teachers taking geometry course participated in the study. Findings of the study show that students who participated in geometric exploration activities assisted by DGS Cabri II Plus computer application had better achievement compared to their counterpart. The use of DGS Cabri II Plus computer application was observed to enable the students to present diagrams of verification problems appropriately, determine the valid conjectures, and make justification regarding the statements in the written proof. More importantly, participating in geometric exploration activities assisted by DGS Cabri II Plus computer application provide students with opportunities to explore alternative proofs related to geometry.

STUDENTS' REPRESENTATION IN SOLVING WORD PROBLEM Ardhi Sanwidi
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The purpose of this research is to describe the representation of sixth grade students in solving mathematics word problems. The focus of the representation of this research is an external representation which is viewed from students with high mathematical abilities. The method used in this research is task-based interview, by giving a problem test of word problems. Students who have a high level of abilities, he makes pictures of all problems and successfully solve the problems. Students whose level of abilities is lacking, he only makes incomplete symbol / verbal representations, he has wrong when solving the problems. Various kinds of representations and increasing abilities in many problems such as multiplying exercises and solve the word pronlem. Applying various representations to students are very important to be improved by students in order to succeed in solving various mathematical word problems.

PROBLEM-BASED LEARNING MODEL IN ELPSA FRAMEWORK ON MATHEMATICAL LEARNING PROCESS IN JUNIOR HIGH SCHOOL Sukasno Sukasno; Drajat Friansah; Lucy Asri Purwasi
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The objective of this research was to find out the effectiveness of mathematical learning outcomes to the eighth-grade students after giving treatment by using the problem-based learning model. a pre-experimental method was used in this research. The population of this research was all eighth-grade students of Junior High School. The number of the population was 103 students, while the sample was chosen randomly. The sample of this research was 33 students. Data collection was carried out using a test in the form of an essay. The results of this research showed that it was significantly effective to use problem-based learning model in ELPSA framework to the eighth-grade students of Junior High School. It was proved by the average score of the final test after giving treatment was 79.33 and the total number of students who completed the score was 78.79%.

STUDENTS’ MATHEMATICAL REPRESENTATION ABILITY THROUGH IMPLEMENTATION OF MAPLE Lusiana Lusiana; Yunika Lestaria Ningsih
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

This research aims to investigate the students’ mathematical representation ability through the implementation of Maple in learning definite integral and those with ordinary learning. This research used a quasi-experimental design with a pretest-posttest control group design. The population of this study was students of 2nd semester of Mathematics Education Program at PGRI Palembang University Academic year 2017/2018. The sample in this study were students of class II.A and II.B, class II.A as a control group and class II.B as experiment group. Data were collected through a test of mathematical representation ability. Data in this study were analyzed through descriptive quantitative. The result of this study showed that students’ mathematical representation ability through implementation Maple in learning definite integral better than those who get the ordinary learning.

ATTITUDES TOWARD STATISTICS AND ACHIEVEMENT: BETWEEN STUDENTS OF SCIENCE AND SOCIAL FIELDS Dian Cahyawati; Wahyudin Wahyudin; Sufyani Prabawanto
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

The purpose of this study was to explore students' attitudes toward statistics (ATS) based on the beginning and the end of learning, based on differences in fields of study, and examine its relationship with statistical acheivement. ATS was measured by an attitude instrument, namely The Survey of Attitudes toward Statistics (SATS) which consists of six dimensions (affective, cognitive competence, difficulty, value, interest, effort). Research respondents were undergraduate students who took lectures on statistical recognition that came from at one of the universities in South Sumatra. The results of the descriptive analysis showed the variation of ATS in each dimension of attitudes classified into positive, neutral, or negative attitudes. Although there are variations in the response of student attitudes in each dimension, but the results of statistical tests have not been able to show differences in attitudes between the beginning and the end of learning in each dimension. The differences in attitudes between the beginning and the end of learning that are statistically significant are in the dimensions of affective, value, and effort. The difference in the field of student science shows the difference in ATS, but only in the dimension of value. This study does not have enough evidence to state that there is a significant relationship between student attitudes to statistics and the results of learning statistics.

THE DEVELOPING MATH ELECTRONIC MODULE WITH SCIENTIFIC APPROACH USING KVISOFT FLIPBOOK MAKER PRO FOR XI GRADE OF SENIOR HIGH SCHOOL STUDENTS Aulia Fonda; Sumargiyani Sumargiyani
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

This study aims to determine the feasibility of learning media electronic module (e-module) based on Kvisoft Flipbook Maker Pro on derivative material with Scientific approach using Research and Development research methodology. The study was conducted in two schools by taking 4 students as a student response in small classes and 20 students in a large class. The research instrument used in the form of evaluation formative form of teaching materials for material experts, media experts, and student responses. From the result of the assessment of expert material instrument obtained an average score of 101.25 with very good criteria, the assessment of expert media instruments obtained an average score of 116 with good criteria as well as on student response instruments obtained 86.44 with very good criteria. These results indicate that the e-module of mathematics with the scientific approach of the derived material for the XI class of the even semester high school is worthy of use in the process of learning in the classroom.

STUDENTS’ PERFORMANCE SKILLS IN CREATIVE MATHEMATICAL REASONING Heris Hendriana; Rully Charitas Indra Prahmana; Wahyu Hidayat
Jurnal Infinity Vol 7, No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

This study aims to examine mathematics teacher-candidate students’ mathematical creative reasoning ability based on the level of Adversity Quotient (AQ). This study uses a mixed method of sequential type by combining quantitative and qualitative methods in order. Population in this study is all students attending the course of Calculus in Mathematics Education of Master Program at STKIP Siliwangi that consist of 270 students divided into six classes. The results are AQ gives effect to the achievement of students’ mathematical creative reasoning abilities based on the whole and the type of AQ climber, champer, and quitter. The achievement of students’ mathematical creative reasoning abilities and based on AQ, the champer and climber fall into the medium category, while on the quitter type, it falls into the category of low. On the other hands, the achievement of students’ mathematical creative reasoning abilities is yet to be achieved well at the indicator of novelty.

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Wahyu Hidayat

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azzam@wahyurock.com

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Journal Mail Official
jurnal_infinity@stkipsiliwangi.ac.id

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Location
Kota cimahi,

Jawa barat

INDONESIA