Kalamatika: Jurnal Pendidikan Matematika
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PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA DALAM MENDUKUNG KEMAMPUAN ABAD 21
Get PDFThe abilities of the 21st century consist of critical thinking and problem solving, creativity and innovation, communication, and collaboration. To support the development of this capability, it is necessary to design a 21st century mathematics-based learning tool. Based on field observations, teachers have not been able to develop a learning tool that leads to this capability. This is due to the lack of knowledge of teachers in designing such learning. If a teacher understands and is able to design a mathematics lesson that leads to 21st century skills, then as a teacher they will be ready to apply it and, in the end 21st century skills for students will flourish. The research approach that will be used in this research is the development research with the aim of producing the product in the form of lesson plans, student worksheets and standard instruments that support the ability of the 21st century. The development model that will be used in this research is 4D development model which includes four stages: define, design, develop and disseminate. But developers only use three stages. The results show that based on the overall score that has been obtained from the testing process shows that the learning tool of mathematics is very good
PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH DAN REPRESENTASI MULTIPEL MATEMATIS DENGAN MENGGUNAKAN MODEL PEMBELAJARAN KUANTUM
No full textMathematical problem solving and multiple representation ability is essential to develop. So it needs a study to facilitate the students to be active, interesting and challenging for students to think and therefore contributes to the students ability to represent, understand the material during learning process and solve mathematical problems. Quantum learning model puts students on comfortable and pleasant condition so that students can play an active role in the learning process and student expected to get the flexibility to bring their own representation and easy to solve the problem. The main objective of this study was to determine the improvement in the mathematical problem solving and multiple representation of students who obtain quantum learning model and students who received conventional learning, as well as to determine the relationship between the mathematical problem solving and multiple representations. This research is a quasi experimental with non equivalent control group design. The population of this study are all students of class VII with two classes of them as samples. The research data obtained through problem-solving ability and multiple mathematical representations test. The results showed that: (a). Quantum learning model can improve the mathematical problem solving and multiple representations ability, (b). there is a relationship between the mathematical problem solving and multiple representations ability
PROSES BERPIKIR SISWA YANG MENGALAMI MATH-ANXIETY DALAM MENYELESAIKAN MASALAH SISTEM PERSAMAAN LINIER DUA VARIABEL
Get PDFAlgebra is one of the most difficult material for students to understand, especially those experiencing math-anxiety. This study aimed to describe: (1) the thinking process of students who have high math-anxiety in solving mathematical problems according to Polya steps, (2) the thinking process of students who have low math-anxiety in solving mathematical problems according to Polya steps. Type this research is qualitative research with case study method. Sampling is done by purposive sampling technique. Subjects used in this study as much as two research subjects, namely: students who have high anxiety math, students who have low anxiety math. The instruments used to collect data are classification of anxiety level of mathematics learning, mathematics problem sheet, and interview guidance. The data validation test used is the triangulation test of time. In this study, researchers used a type of reflective and creative thinking to analyze the thinking process of the subject. The results show: (1) when understanding the problem, planning problem solving, running problem-solving plan, and re-examining answers, students experiencing high math-anxiety using reflective thinking process, (2) when understanding the problem and re-examining answers, students who experience low anxiety math using reflective thinking processes, while at the time of planning problem solving and running problem-solving plans, the subject engages in a process of reflective and creative thinking
IDENTIFIKASI KESULITAN BELAJAR MAHASISWA MELALUI MODEL PROJECT BASED LEARNING
Get PDFThe purpose of this study was to know the learning difficulties experienced by third grade students of Mathematics Education Study Program during Project Based Learning (PjBL) implementation on Evaluation of Mathematics’ Learning Process and Result. This research used descriptive method with qualitative approach because it is relevant from the initial process to the final product, and research instrument used is in the form of interview sheet. The sample of this research is 68 third grade students of Mathematics Education Study Program of Faculty of Teaching and Educational Sciences, University of Swadaya Gunung Jati Cirebon. The study was conducted in the period of March - July 2016. Based on the results of this study it can be concluded that students' learning difficulties during the implementation of Project Based Learning caused by internal factors, that is lack of motivation, which can be seen from the lack of students in reading and looking for various references related to the material, they rely on one reference book only that used during lectures. This resulted to the lack of understanding in learning the Evaluation Instruments’ Quality which can be seen from the difficulty in classifying evaluation test questions based on Bloom's Taxonomy and arranging scoring guidelines, using validity formula, reliability, item discrimination, and index of difficulty to determine instrument quality, and difficulty in accomplishing the final product
PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS PREZI PADA MATAKULIAH ANALISIS VEKTOR
Get PDFUndergraduate students have difficulties in understanding abstract concept of Vector Analysis and need visualization to support learning. Prezi-based instructional media developed by consider visual principle that support Vector Analysis learning. This study aims to describe Prezi-based instructional media development and produce Prezi-based instructional media that is suitable for learning. Development refers to ASSURE development model (Analyze learners, State objectives, Select methods, media and materials, Utilize media and materials, Require learners’ participation, and Evaluate and revise). The research instrument consisted of expert assessment sheets, test questions and student response questionnaires. Instructional media is feasible to be used satisfy aspects of validity and effectiveness. Assessment of the validity aspect based on the experts’ judgment that is on a valid criterion. While the assessment of effectiveness aspects based on test results are on quite good criteria and questionnaire responses of undergraduate students are on excellent criteria. Learning media consists of menu sections and content sections. The menu section consists of an overview of the material that will be presented in the media. The content section consists of material that can be zoomed in and zoomed out according to needs and learning videos to visualize the concept of Vector Analysis
BAHAN AJAR PADA MATERI GARIS SINGGUNG LINGKARAN DENGAN PENDEKATAN SAINTIFIK UNTUK SISWA SMP
No full textThis research is motivated by the lack of teaching materials on tangent topic to the circle that is able to facilitate junior high school students through a scientific approach. This research produced teaching materials so-called students' worksheets that can facilitate students. The research used the design research which includes: (1) preliminary design, in this phase the researchers conducted a theory study which followed up by making a Hypothetical Learning Trajectory (HLT); (2) experiment, in this phase, the existing design is tested to the students to investigate the learning process that related to the process of developing students' thinking in situations and learning atmosphere that formed from HLT; (3) retrospective analysis, in this phase, the researchers compare the HLT with the actual student learning process. The results show that the teaching materials that have been developed by considering obstacle learning and preliminary studies are able to facilitate students as a source of support for learning activities
PENGARUH KECERDASAN LOGIS-MATEMATIS DAN KECERDASAN MUSIKAL TERHADAP HIGHER ORDER THINKING SKILLS (HOTS)
Get PDFThe aim of this study is to test the hypothesis about the influence of logical-mathematical intelligence to higher order thinking skills. The method that used in this research is survey method. This research using descriptive analysis and data requirement test (normality test, regression linearity test, and multicollinearity test), followed by hypothesis testing using correlation and multiple regression. The samples of research are taken from an affordable population by removing data outliers. The number of samples after the data outliers were eliminated were 99 students SMPN 6 Bekasi VIII grader. Instruments that used is a multiple choice test sheet to measure logical-mathematical intelligence, straight observation sheet to measure musical intelligence, and test sheet problem essay to measure higher order thinking skills. The results of hypothesis testing were obtained by following conclusions: 1) There is a positive influence that significant in logical-mathematical intelligence and musical intelligence to higher order thinking skills. 2) There is a positive influence that significant in logical-mathematical intelligence to higher order thinking skills. 3) There is no positive influence that significant in musical intelligence to higher order thinking skills
KEMAMPUAN ANALOGI MATEMATIS MAHASISWA PADA MATA KULIAH KALKULUS DIFFERENSIAL
No full textThis research aims to describe the students capability in mathematics analogy at the subject of differential calculus. The technique in taking the sample uses “purposive sampling technique”. It takes three students from each category, they are low, medium, and high. From the low category must of students haven’t understood get the concept used the solve the problem, not only the problem of the source but also the problem of target. For the medium category most of the students have understood the concept, and the similiar concept used, but they dont’t have the cabability to apply in solving the problem. Whereas for the high category most of the students have understood the similiar concept, the concept that is used and have capability to apply it to solve the problem of the source and target
KORELASI MODEL GROUP INVESTIGATION DENGAN KEMAMPUAN BERPIKIR KREATIF DAN KEMAMPUAN PEMECAHAN MASALAH
No full textThe purpose of this research is to know the relationship of Group Investigation model with creative thinking ability and problem solving ability. Model Group Investigation is a group-based learning model where students are given opportunities to discuss, think critically, and be responsible for the learning. The research method used is experimental method, with sampling technique used is Purposive Sample. The instrument used in this research is the observation sheet of student activity, the question of creative thinking ability and the problem solving test problem. The test used is Pearson Product Moment correlation test, ANOVA Factorial test, and uji t. The results of this study are: (1) student activity in learning mathematics by using Group Investigation model overall percentage reaches 65,6% and included in good category; (2) there is correlation of Group Investigation model with creative thinking ability; (3) there is correlation of Group Investigation model with problem solving ability; (4) there is a correlation of Group Investigation model with creative thinking ability and problem-solving ability; (5) there is difference of average ability of creative thinking and problem solving ability between experiment class student and control class student, with mean value of experiment class is 76,60 whereas mean value of control class is 68,57
PROFIL PEMAHAMAN KONSEP TEOREMA PYTHAGORAS SISWA BERDASARKAN PERBEDAAN GAYA KOGNITIF FIELD INDEPENDENT DAN FIELD
Get PDFThis research is a descriptive qualitative approach which aims to describe profile of understanding of pythagoras theorem concept of students based on the difference of field independent and dependent cognitive style. The subjects of this study are 9th grade students of junior secondary school. Subject determination is done using GEFT instrument and mathematics teacher’s consultation, then continued by giving concept comprehension test on Pythagorean theorem material and interview. Checking the validity of data is done by time’s triangulation. The results showed that student: 1) states the meaning of Pythagoras's theorem given in his own language by noting Pythagorean theorem’s definition; 2) when using the concepts of Pythagoras theorem, students use triangle images as representations to facilitate an interpretation of given sides position. Then the students find the unknown values and use Pythagoras theorem to solve the problem; 3) using the necessary condition or sufficient condition of a concept to determine the area of a triangle using Pythagorean theorem by finding a side. While, the results for field independent cognitive style are student: 1) expresses the meaning of Pythagoras theorem by using their own language and mentioning the symbols; 2) using the concepts of Pythagorean theorem to solve the problem given by using multiplication operations to determine one of unknown sides. Then, student use pythagoras theorem to find the answer of the given problem; 3) using the necessary conditions or sufficient terms a concept of Pythagoras theorem by stating that it must be known two sides or not