cover
Contact Name
Wahyu Hidayat
Contact Email
wahyu@ikipsiliwangi.ac.id
Phone
+6285624081143
Journal Mail Official
infinity@journal.ikipsiliwangi.ac.id
Editorial Address
Ruang HKI & Publikasi IKIP Siliwangi Gedung D - Ruang D11 IKIP Siliwangi Bandung Jl. Terusan Jenderal Sudirman, Cimahi 40526
Location
Kota cimahi,
Jawa barat
INDONESIA
Jurnal Infinity
Published by IKIP Siliwangi
ISSN : 20896867     EISSN : 24609285     DOI : https://doi.org/10.22460/infinity
Core Subject : Education,
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
Articles 336 Documents
SENIOR HIGH SCHOOL TEACHERS’ MATHEMATICAL QUESTIONING ABILITY AND METAPHORICAL THINKING LEARNING Heris Hendriana
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.p51-58

Abstract

This study is designed in the form of experiment with the design of control group and posttest only aimed at investigating the role of learning that teaches metaphorical thinking in improving senior high school teachers’ mathematical questioning ability. The population of this study was senior high school teachers of mathematics in West Java province and the samples were 124 senior high school teachers of mathematics set purposively and randomly to be included into the experimental class and control class. Based on the results and discussion, it is concluded that: (1) mathematical questioning ability of the teachers who received metaphorical thinking learning is better than those who received conventional learning; (2) learning factors and KAM (Kemampuan Awal Matematis = Prior Mathematical Ability) affect the achievement of teachers’ mathematical questioning ability. In addition, there is an interaction effect between the learning and KAM in developing teachers’ mathematical questioning ability; (3) teachers’ mathematical questioning ability has not been achieved optimally on the indicators submitting problems in the form of non-routine questions and open-ended questions.
EFFECT OF LEARNING WITH ABDUCTIVE-DEDUCTIVE STRATEGY TOWARDS THE ACHIEVEMENT OF REASONING ABILITY OF HIGH SCHOOL STUDENTS Ali Shodikin
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.p111-120

Abstract

The purpose of this study was to investigate the effect of learning with abductive-deductive strategy towards the achievement of mathematical reasoning abilities of high school students. Research carried out an experimental pretest-posttest design and the control group was not randomized in class XI student at one high school in Pati, Central Java, Indonesia. Data analysis was conducted quantitative research based on early mathematical ability categories (KAM) and overall. The results showed that the achievement of mathematical reasoning abilities that students acquire learning abductive-deductive strategy better than students who received the expository learning. In more detail of KAM categories, only middle category that show achievement of mathematical reasoning abilities better. While in upper and under categories have the same reasoning abilities achievements. This research is expected teachers can encourage students to do abduction and deduction in the learning achievement of students’ mathematical reasoning abilities.
MATHEMATICAL LITERACY’S VOCATIONAL STUDENTS BASED ON LOGICAL AND NUMERICAL REASONING Lathifatun Ni'mah; Iwan Junaedi; Scolastika Mariani
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.p95-110

Abstract

The research aims is (1) to obtain learning quality of CTL model to students mathematical literacy, (2) to obtain mathematical literacy description based on logical reasoning, (3) to obtain mathematical literacy description based on numerical reasoning and (4) to obtain mathematical literacy description based on logical and numerical reasoning. The research type is descriptive study. The subject is XI AK SMK NU Lasem were taken 6 students high, medium and low logical reasoning, 6 students high, medium, and low numerical reasoning, 6 students high, medium, and low logical and numerical reasoning, 2 students high logical and medium numerical reasoning, 2 students medium logical and high numerical reasoning. The research result is (1) CTL models learning quality for mathematical literacy is good, (2) student mathematical literacy based on high logical reasoning level 4 and 5, medium level 3, low level 1 and 2, (3) student mathematical literacy based on high numerical reasoning level 5, medium level 4, low level 2 and 3, (4) student mathematical literacy based on high logical and numerical reasoning level 5, medium level 3 and 4, high logical and medium numerical reasoning or medium logical and high numerical reasoning level 4 and 5, low level 1 and 2.
ANALYSIS OF STUDENTS’ LEARNING OBSTACLES ON LEARNING INVERS FUNCTION MATERIAL Krisna Satrio Perbowo; Restu Anjarwati
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.p169-176

Abstract

This research is based on the presence of obstacle in learning mathematics on inverse function. This research aims to analyze the learning obstacle, to know the types of error that is suffered by the students in learning inverse function. Kind of this kualitative research descriptive with data triangulation. The research subjects are high school students which is contained of 74 students and was taken 6 students to be main sample. The data of students’ error is obtained from the writen test result, the students’ false answers are identified into the type of error. Then it was chosen several students to be interviewed. Which the analysis result finding data in this research showed there are 4 types of errors, which are concept error, procedure error, counting error and concluding error. An obstacle which appear in learning inverse function is influenced by two factors, i.e internal factor and eksternal factor. Internal factor is showed by the students’ motivation in following learning and students’ skill in receiving learning material. While the eksternal factor is showed by the curriculum which applied in school with acceleration class caused many narrow learning time, teaching materials that is less complete with the discussion of question sample.
A COMPARISON BETWEEN STAD-TYPE AND TPS-TYPE COOPERATIVE LEARNING IN MIDDLE SCHOOL STUDENTS' GEOMETRY LEARNING Asri Ode Samura
Jurnal Infinity Vol 7 No 1 (2018): Volume 7 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v7i1.p7-14

Abstract

This study aims to describe and compare the effectiveness of the application of STAD and TPS types in cooperative learning to the students. This study was a quasi-experiments research in which students were designed into a form of the experimental group (pre-test and post-test group designs), where the cooperative learning of STAD and TPS types will be applied in learning mathematics. The population in this study were junior high school students in Ternate, while samples were taken by 60 random students who had the same characteristics as the population. The result of the study shows that cooperative learning model of both STAD and TPS types are very effective to be applied on studying mathematics. However, between the STAD and TPS types of cooperative learning, the STAD types are more effective than TPS, seen from accomplishing standards of competence, mathematical communication skills, and mathematical thinking ability of Junior High School students.
THE STRATEGY OF FORMULATE-SHARE-LISTEN-CREATE TO IMPROVE VOCATIONAL HIGH SCHOOL STUDENTS' MATHEMATICAL PROBLEM POSING ABILITY AND MATHEMATICAL DISPOSITION ON PROBABILITY CONCEPT Tina Rosyana; M. Afrilianto; Eka Senjayawati
Jurnal Infinity Vol 7 No 1 (2018): Volume 7 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v7i1.p1-6

Abstract

This study aims to examine the improvement of students' mathematical problem posing ability and mathematical disposition through the strategy of Formulate-Share-Listen-Create (FSLC) on probability concept. The method used in this research is the experimental method, with the design of pretest-posttest control group. The population is all students of the vocational high school in Cimahi, while the sample was selected two classes from one of the vocational high school selected at random. The instrument of a test in the form of description is used to measure students' mathematical problem posing ability, while the non-test instrument is questionnaire of mathematical disposition scale. The results showed (1) The mathematical problems posing of the students who obtained FSLC learning strategy is better than that of those who obtained conventional one; (2) The improvement of mathematical problems posing of the students who obtained FSLC learning strategy is better than that of those who obtained conventional one; (3) The mathematical disposition of students who obtained  FSLC learning strategy is better than that of those who obtained conventional learning.
PRE-SERVICE MATHEMATICS TEACHERS’ CONCEPTION OF HIGHER-ORDER THINKING LEVEL IN BLOOM'S TAXONOMY Damianus D Samo
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.p121-136

Abstract

The purpose of this study is to explore pre-service mathematics teachers' conception of higher-order thinking in Bloom's Taxonomy, to explore pre-service mathematics teachers' ability in categorizing six cognitive levels of Bloom's Taxonomy as lower-order thinking and higher-order thinking, and pre-service mathematics teachers' ability in identifying some questionable items as lower-order and higher-order thinking. The higher-order thinking is the type of non-algorithm thinking which include analytical, evaluative and creative thinking that involves metacognition. This research is a descriptive quantitative research. The data were analyzed and visualized by percentages and diagrams. The participants are 50 Third-Year Students of Mathematics Education Department at Universitas Nusa Cendana. The results showed: (1) pre-service mathematics teachers' conception of lower-order and higher-order thinking more emphasis on the different between the easy and difficult problem, calculation problem and verification problem, conceptual and contextual, and elementary and high-level problem; (2) pre-service mathematics teachers categorized six cognitive levels at the lower-order and higher-order thinking level correctly except at the applying level, preservice mathematics teachers placed it at the higher-order thinking level; (3) pre-service mathematics teacher tend to made the wrong identification of the test questions that were included in the lower-order and higher-order thinking. One of the recommendations is pre-service mathematics teachers should be familiarized of higher-order thinking questions start from their first-year of study in University. 
ANALYSIS OF STUDENTS’ MATHEMATICAL COMMUNICATION ABILITY BY USING COOPERATIVE LEARNING TALKING STICK TYPE Dwi Maulida Sari
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.p183-194

Abstract

This research aims to describe the students’ mathematical communication ability by using cooperative learning talking stick type. This research conducted at one of junior high school in Asahan-North Sumatera- North Sumatera. This research used posttest experimental class design as the method to obtain data. The indicators used to measure mathematical communication ability in this research arranged in three, as follows: 1) the ability of explaining a mathematical problem into figure; 2) the ability to explain mathematical problem situations by own words; 3) the ability of stating a mathematical problem in writing into mathematical models and doing calculation to solve the problem. The result found from this research is there are the differences in the students’ way of answering the problem even though the learning model and the instrument used is same.
LANGUAGE LITERACY AND MATHEMATICS COMPETENCE EFFECT TOWARD WORD PROBLEMS SOLVING
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.p195-206

Abstract

This study aims to know the effect of language literacy and basic Mathematics competence toward students’ ability to solve word problems. The research was done by giving three sets of questions; language literacy (LL) set, basic Mathematics competence (BM) set, and word problems (WP) set; to the research sample.  Research sample was 315 tenth grade students from five schools in Jakarta. Score of students in each set was analyzed as research data. Score of LL set was treated as data of independent variable 1, score of BM set was treated as data of independent variable 2, and score of WP set as data of dependent variable. Preliminary data analyses, such as normality, validity, and reliability test, were done. Then, data was analyzed using Wilcoxon test and calculation of R-square. The result shows that each of independent variable affects dependent variable with BM variable has more effect on WP variable.
THE RELATION BETWEEN SELF-EFFICACY TOWARD MATH WITH THE MATH COMMUNICATION COMPETENCE Sylvia Rahmi; Rifka Nadia; Bibih Hasibah; Wahyu Hidayat
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.p177-182

Abstract

The aim of this research is to analyze the relationship between self-efficacy toward mathematics with mathematical communication competence. The design of this research is survey and correlation technique. The research instruments used in this research are math communication competence test and attitude scale. The instruments used are 5 questions about math communication competenca teat and 28 statements about self-efficacy. The research population is all student of SMP Negeri 1 Soreang. With samples of this research were 70 students of 7th grade student chosen by cluster random sampling. The data analyzed quantitatively done through math communication data and self-efficacy attitude scale. SPSS 20 used in this research. The result shows that student self-efficacy influences students math communication competence.

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