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INDONESIA
Jurnal Infinity
ISSN : 20896867     EISSN : 24609285     DOI : -
Core Subject : 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
PRE-SERVICE MATHEMATICS TEACHERS’ CONCEPTION OF HIGHER-ORDER THINKING LEVEL IN BLOOM'S TAXONOMY Samo, Damianus D
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 | Full PDF (1772.316 KB) | 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. 
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 | Full PDF (580.844 KB) | 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.
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 | Full PDF (545.623 KB) | 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.
MENINGKATKAN KEMAMPUAN KOMUNIKASI DAN PENALARAN SERTA DISPOSISI MATEMATIK SISWA SMK DENGAN PENDEKATAN KONTEKSTUAL MELALUI GAME ADOBE FLASH CS 4.0 Martin Bernard
Jurnal Infinity Vol 4, No 2 (2015): Volume 4 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1040.512 KB) | DOI: 10.22460/infinity.v4i2.p197-222

Abstract

ABSTRAKPenelitian ini bertujuan untuk menelaah pencapaian dan peningkatan kemampuan komunikasi dan penalaran matematik siswa yang pembelajaran dengan pendekatan kontekstual melalui game Adobe Flash CS 4.0 lebih baik daripada pembelajaran kontekstual dengan cara biasa, menalaah asosiasi kemampuan komunikasi dan penalaran matematika siswa, asosiasi skala disposisi dan kemampuan komunikasi dan asosiasi skala disposisi dan kemampuan penalaran. Serta bagaimana menelaah kemampuan komunikasi dan penalaran matematik siswa terhadap pendekatan pembelajaran. Metode penelitian yang dipakai adalah menggunakan kuasi eksperimen. Dimana metode ini terdiri dua kelas, bahwa kelas pertama diberi perlakuan yaitu kelas yang pembelajaran pendekatan kontekstual menggunakan game Adobe Flash CS 4.0 dan kelas yang kedua yaitu kelas yang pembelajaran pendekatan kontekstual dengan cara biasa. Populasi yang diambil di sekolah SMK Mahardika dan sampelnya adalah 40 siswa kelas X.1 sebagai kelas Kontrol dan 42 siswa kelas X.2 sebagai kelas Eksperimen. Instrumen yang digunakan berupa 10 butir soal diantaranya 5 soal kemampuan komunikasi dan 5 soal kemampuan penalaran berbentuk uraian yang telah diuji validitas, realibilitas, derajat pembeda dan indeks kesukaran. Untuk angket skala disposisi yang digunakan adalah angket skala Linkert yang berbentuk ordinal yang akan dikonversi ke bentuk interval melalui Method Seccessive Interval (MSI). Kesimpulan dari penelitian tersebut yaitu pencapaian dan peningkatan kemampuan komunikasi dan penalaran serta disposisi matematik siswa dengan pendekatan kontekstual melalui Game Adobe Flash CS 4.0 lebih baik dibandingkan dengan pembelajaran cara biasa, adanya asosiasi antara kemampuan komunikasi dan penalaran tetapi tidak ada asosiasi antara disposisi dengan kemampuan komunikasi dan penalaran. Kata Kunci    :   Komunikasi, Penalaran, Skala Disposisi, Pendekatan Kontekstual, Adobe Flash CS 4  ABSTRACTThis study aimed to examine the achievement and improvement of communication skills and mathematical reasoning students learning with contextual approach through the game Adobe Flash CS 4.0 is better than contextual learning in the normal way , examine the association of communication and mathematical reasoning abilities of students , associations scale disposition and communication skills and association scale disposition and reasoning abilities. And how to examine the communication skills and mathematical reasoning students towards learning approaches. The research method is to use a quasi-experimental. Where this method consists of two classes , that first class was given a treatment that learning classes contextual approach using games Adobe Flash CS 4.0 and the second class is the class that learning contextual approach in the usual manner. Population taken in Mahardika SMK schools and the sample was 40 students of class X.1 as the Control class and 42 students X.2 class as a class experiment . Instruments used in the form of 10 items including 5 questions about the communication skills and reasoning abilities shaped 5 description has tested the validity, reliability, degree of differentiation and difficulty index. For dispositions scale questionnaire used was a questionnaire form ordinal scale Linkert be converted to form the interval through Seccessive Method Interval (MSI). The conclusion from these studies is the attainment and improvement of communication skills and mathematical reasoning and the disposition of the students with contextual approach through Game Adobe Flash CS 4.0 is better than the usual way of learning, the association between communication and reasoning capabilities, but there is no association between disposition with communication capabilities and reasoning. Keywords:            Communication, Reasoning, Scale Disposition, Contextual Approach, Adobe Flash CS 4
ANALYSIS OF STUDENTS’ MATHEMATICAL ABSTRACTION ABILITY BY USING DISCURSIVE APPROACH INTEGRATED PEER INSTRUCTION OF STRUCTURE ALGEBRA II Elsa Komala
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 | Full PDF (632.872 KB) | DOI: 10.22460/infinity.v7i1.p25-34

Abstract

This research is subject to describe students' mathematical abstraction ability using the discursive approach of peer instruction integration, to get an idea about the problems faced by students and to study about the interventions needed by students to overcome the problems. This research using the quantitative descriptive approach with pre-experimental design: the one-shot case study design, which is done to the students in the course of the structure of algebra II. Based on the data analysis, result of the research shows that ability of students' mathematical abstraction using the discursive approach of peer instruction integration in the course of the structure of algebra II does not exceed 85% of ideal criteria determined. Obstacles faced by students such as cognitive obstacles, genetic and psychological obstacles, didactic obstacles, epistemological obstacles. Interventions that need to be given such as by providing reinforcement to the mastery of prerequisite material, conditioning through drill, practice, and exercise, providing scaffolding, raises students awareness of what they learn, convergent interventions in the form of a closed-ended investigative question.
PROFILE OF COGNITIVE STRUCTURE OF STUDENTS IN UNDERSTANDING THE CONCEPT OF REAL ANALYSIS Wahyu Widada
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 | Full PDF (624.932 KB) | DOI: 10.22460/infinity.v5i2.p83-98

Abstract

The purpose of this research is to describe proil cognitive structure of students in understanding the concept of real analysis. This research is part of the research development of the theory of cognitive structure of students Mathematics Education Program at the University of Bengkulu. The results of this research are: 1)there are seven models decompositions of genetic students mathematics education reviewed based on the SRP Model about the concepts of Real Analysis namely Pra-Intra Level, Level intra, Level semi-inter, Level inter, Level semi-trans, Trans Level, level and Extended-Trans (only theoretic level while empirically not found); 2) There are six models decompositions of genetic students mathematics education reviewed based on KA about the concepts of Real Analysis namely Level 0: Objects of concrete steps; Level 1: Models Semi-concrete steps; Level 2: Models Theoretic; Level 3: Language in Domain Example; Level 4: Mathematical Language; Level 5: Inferensi Model. Profile of cognitive structure of mathematics education student at the University of Bengkulu is 6.25% Students located on the Basic Level (Pra-Intra Level with concrete objects), there is 8.75% Students located at Level 0 (intra Level with concrete objects), there are 15,00% Students located at Level 1 (semi-Level inter with Semi-Concrete Model), there are 33.75 percent students located on Level 2 (Level inter with theoretical model), there are 22.50 percent students located at Level 3 (Semi-trans Level with the Bible in Domain example), there are located on the student percent during the Level 4 (Trans Level with the language of Mathematics), and there are 0 percent students located at Level 5 (Level Extended-Trans with Inferensi Model). Students Education Mathematics at the University of Bengkulu pembangunnya element is functional can achieve Trans Level, students will be able to set up activities and make the algorithm that formed the concept/principles with the right. Functional students can also perform the process of abstraction using the rules in a system of mathematics.
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 | Full PDF (645.073 KB) | 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
EFEKTIVITAS PEMBELAJARAN KOOPERATIF DITINJAU DARI PENINGKATAN KEMAMPUAN PENALARAN LOGIS MATEMATIS SISWA Karman Lanani
Jurnal Infinity Vol 4, No 2 (2015): Volume 4 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.143 KB) | DOI: 10.22460/infinity.v4i2.p140-151

Abstract

ABSTRAKMasalah penelitian ini adalah rendahnya kemampuan penalaran logis matematis siswa. Penelitian ini bertujuan untuk mendeskripsikan efektifitas pembelajaran kooperatif ditinjau dari peningkatan kemampuan penalaran logis matematis siswa SMA. Penelitian ini berbentuk quasi eksperimen dengan desain kelompok kontrol pretes-postes. Sampel penelitian ini berjumlah 38 siswa yang diambil secara proposive sampling dari dua kelas siswa pada suatu sekolah swasta di Kabupaten Halmahera Selatan. Penelitian ini mempunyai dua variabel, yaitu: pembelajaran kooperatif sebagai variabel bebas, dan kemampuan penalaran logis matematis siswa sebagai variabel tak bebas. Intrumen yang digunakan untuk pengumpulan data adalah tes kemampuan penalaran logis matematis. Data primer yang diperoleh dari penerapan instrumen tes tersebut, dianalisis menggunakan statistik uji One-Sample Test pada taraf signifikansi α=5%. Hasil penelitian menunjukkan bahwa kemampuan penalaran logis matematis siswa SMA melalui pembelajaran kooperatif mencapai 74,97% dalam kualifikasi baik dan peningkatannya mencapai 0,72 tergolong tinggi.Kata Kunci    :   Penalaran Logis Matematis, Kemampuan Penalaran Logis Matematis Siswa, dan Pembelajaran Kooperatif  ABSTRACTThe research problem is the lack of logical mathematical reasoning abilities of students. This study aimed to describe the effectiveness learning cooperative in terms of improvement of mathematical logical reasoning abilities of high school students. This form of quasi-experimental research design with pretest-posttest control group. Sample size was 38 students were taken proposive sampling of two classes of students at a private school in South Halmahera. This study has two variables, namely: cooperative learning as independent variables, and logical mathematical reasoning abilities of students as dependent variables. Instruments used for data collection is a logical mathematical reasoning ability tests. Primary data were obtained from the application of the test instrument, were analyzed using a statistical test of the One-Sample Test at significance level α = 5%. The results showed that the logical mathematical reasoning abilities of high school students through cooperative learning reaches 74.97% in both qualifying and the increases were relatively high 0.72.Keywords:        Mathematical Logical Reasoning, Mathematical Logical Reasoning Ability Students, and Cooperative Learning
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 | Full PDF (626.933 KB) | 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.
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 | Full PDF (531.048 KB) | 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.

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