Jurnal Didaktik Matematika
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Optimisme Siswa SMP dalam Menyelesaikan Soal Problem Solving
Get PDFCurrently, some students habitually answering questions with one answer. They only use the certain formula or certain steps to get answer. Thus, the ability of problem-solving and optimism that should have owned by students is not visible because of the habit of completing routine problem. Whereas the ability problem-solving and optimism is needed in the face of all the challenges that occur. This is becaused people who are able to solve the problem would be receive every event, whether it is good or bad events. They will seek the solution of problem faced and anticipate every possibility that occurs to the measures that have been selected. This study aims to determine (1) the ability of students to problem-solving and (2) optimism of students in problem-solving. This is qualitative research with test of problem solving and guided interview of optimism as instruments. Subject of this research is six students grade VIII of Junior High School at Peukan Pidie, Aceh. The results show that three students have good problem-solving ability, three other students have enough abilitiy in problem-solving. Optimism of students in problem-solving based on the dimensions of optimism is three students optimist at dimension PMG, three other students not optimist. One student was optimist on the dimensions of PVG, five other students not optimist. Five students are optimist on the dimensions of PSG and PMB, one student not optimist. All students are optimist on the dimensions of PVB. Two students are optimist on the dimensions of PSB, four students are not optimis
Pembelajaran Distribusi Poisson dan Penerapannya dalam Kehidupan Sehari-hari
Get PDFThe Mathematical Statistics learning process that integrates theoretical understanding with practice can enhance students' insight into the application of what they have learned (theoretically) in the classroom into everyday life. Theoretical learning will create a boring learning environment. Students have no idea of the use of the theory they have acquired. Based on these reasons, it is necessary to design a learning activity that can help students to apply their understanding of the theory they have acquired. This research describes the learning process of Poisson distribution which is designed by adding its application activity in a problem. This learning is part of the Mathematical Statistics course at teacher education program. This research was conducted for four weeks on Short Semester. One week consists of three meetings. This research involves seven students of IKIP Mataram majoring in Mathematics Education who have taken the Mathematics Statistics course and repeat the lecture in Short Semester. The data collected were obtained from interview video, students assignment sheet, accompaniment video data analysis process using Poisson distribution, and student worksheets in Microsoft Excel. Students are required to conduct visitor surveys at several education centers and shopping centers. After that, we guide them to process and analyze data using Poisson distribution. The discussion section highlights the description of the lessons and the development of students' understandin
Meningkatkan Kemampuan Representasi Matematis melalui Penerapan Model Problem Based Learning
Get PDFThe ability of representation is one of the important components to develop students' thinking skills, because this capability is instrumental in helping students to transform abstract ideas into real idea and it can train students to improve problem solving skills with a variety of forms including pictures, diagrams, mathematical expressions, or words or written text. One model of learning that increases the ability of the mathematical representation is a learning model of problem-based learning. This research aims to: 1) determine a mathematical representation increased ability of students taught with problem based learning models 2) the interaction between the learning model of problem-based learning and grouping of students to increase the ability of the mathematical representation. This research is a quantitative research with an experimental method, that has pretest-posttest group design. The population was all students of class X SMA UnggulPidie Jaya by samples of two classes, namely class X3 as an experimental class and class X2 as the control class. The data collection was done by using test. Then analyzed by t -test and ANOVA at the 0.05 significance level after testing prerequisites are met. Based on the analysis we can conclude that: 1) to improve the mathematical representation of students who applied learning model of problem based learning is better than an increase in the ability of the mathematical representation of students who received conventional learning. 2) there is no interaction between the learning model and grouping of students to increase the ability of mathematical representation
Pembelajaran Berbasis Masalah untuk Meningkatkan Kemampuan Berpikir Kreatif dan Self-Concept Siswa SMP
Get PDFThis research is based on the lack of students ability in mathematical creative thinking and self concept. For that reason, this study aims to improve the students ability of mathematical creative thinking and self-concept through problem-based learning. Using Quasi Experiment method and nonequivalent control group design, this study is included into experimental research. The population of this research is the seventh graders of Junior High School in the district of Cimahi, West Java, Indonesia, and the sampling technique is purposive sampling, with one experimental group which is mathematical learning using problem-based learning (PBM) and one control group which is mathematical learning using conventional onewiththe number of samples in this study were 74 students. The hypothesis test his study is done by using parametric and nonparametric test (t-test and Mann-Whitney). The results showed that mathematical creative thinking and self-concept ability of students who use problem-based learning is better than students who receive conventional learning. Then, the increase of ability and creative thinking of students who use problem-based learning is better than those who receive the conventional learning and their self-concept is classified as being mediu
Pembelajaran Matematika dengan Memanfaatkan Formulator Tarsia
Get PDFMathematics is often regarded as a difficult subject in school, consequently many students are less interested in learning it. The use of technology can be an alternative to create an interesting and effective of instructional Media. One of the application programs that teachers can choose is Tarsia Formulators. This formulator is a program designed for math teachers to create puzzles, dominoes, and other forms of activity. This paper discusses examples of the application of puzzles created from tarsia formulators in mathematics learning. Learning activities begin by introducing the form of puzzles to be assembled by the students. The teacher gives an explanation of the rules that apply in this lesson. Teacher guides need to be done to make it easier for students who have difficulty. Furthermore, the teacher displays the correct form of the puzzle in comparison to the student's work and provides an explanation of the answer to the problem presented. The tarsia formulators makes it easy for teachers to create effective and varieties instructional media, so students do not feel bored in classroom learning activities
Struktur Lapisan Pemahaman Konsep Turunan Fungsi Mahasiswa Calon Guru Matematika
Get PDFProspective mathematics teachers should have met the Pirie-Kieren model of understanding indicators, to become professional teachers. The purpose of this research is to describe the layers of understanding structure that is filled by students of mathematics teacher prospectives. The description is based on a model hypothesized by Pirie-Kieren. Research subjects selected from female and male mathematics teacher prospective students have been given the task of understanding the concept of derivative functions and interviewed. Data collected from students answers from worksheets before the interview, students answers from worksheets during interviews, and interview transcripts. After the data were analyzed qualitatively, the description of the understanding layer structure of two subjects grouped by the original Pirie-Kieren Model was obtained. The subjects of female had met the indicators of primitive knowing, then there are the processes of image doing and image reviewing on the layer structure of image making towards image having, then image seeing and image saying on the layer of image having to property noticing, then there are the processes of property predicting and property recording on the layer of property noticing towards formalizing, then there are the processes of method applying and method justifying on the layer of formalizing towards observing, then there are the processes of future identifying and feature prescribing on the layer of observing towards structuring, and there are the prosesses of theorem conjecturing and theorem proving on the layer of structuring towards inventising. She almost fulfilled the inventising layer. Male subjects also meet the same understanding indicators as women. Both subjects have almost fulfilled a layer of creation, we called inventisingoi
Peningkatan Kemampuan Komunikasi Matematis Model Ideal Problem Solving dalam Aspek Grammatical dan Sosiolinguistik
No full textThe importance of learning mathematics can not be separated from its role in all aspects of everyday life. Communicating ideas using language and mathematical notation is even more practical, systematic, and efficient. Recognizing the importance of mathematical communication skills then as a prospective educator should seek learning that can provide opportunities and encourage students to trained the ability of mathematical communication. Indicator of mathematical communication ability in this research include grammatical ability (K1) and sociolinguistic ability (K2). The subject of high school mathematics curriculum is a compulsory course that must be taken, because it will be discussed about the subject matter of school math and various models. One of the learning model that meets the indicator of mathematical communication ability is IDEAL Problem Solving model.This study aims to improve the ability of mathematical communication in grammatical and sociolinguistic aspects. The type of research used is classroom action research based on Stephen Kemmi and Robin Mc Taggart models. From the result of the research, it is found that the application of IDEAL Problem Solving model of high school mathematics curriculum can improve mathematical communication ability in grammatical (K1) and sociolinguistic (K2) aspect. The percentage of grammatical aspect (K1) increased from 78% to 89% and sociolinguistic aspects (K2) increased from 81% to 89%
Profil Pemecahan Masalah dalam Pembelajaran Matematika dengan Model Problem Creating pada Siswa Kelas VII-2 SMP Negeri 1 Kota Bima
Get PDFThe purpose of this research are to examine: (i) the problem solving ability of class VII-2 students at SMPN 1 Bima City in mathematics learning process using problem creating model; (ii) the problem solving process of class VII-2 student at SMPN I Bima City in mathematics learning process using problem creating model. This research employed qualitative approach. Data was collected though observation of learning presentation and in-depth interview. The results of this research reveal that (i) the research subjects who have high, medium, and low ability are able to solve mathematics problems well by completing all the steps of mathematics problem. However, the research sebjects have less accuracy on each problem solving result without writing the conclusion of the answers; (ii) in general, class VII-2 students can solve the mathematics problems well, but the mistakes they do are no written conclusion on the answers obtained
Peningkatan Komunikasi Matematis dan Kemandirian Belajar Siswa melalui Pendekatan Problem Posing berbantuan Mind Map
Get PDFThe purpose of this study to determine the increase of mathematical communication skills and independent learning that students acquire learning using learning approach problem posing aided mind map. This study used an experimental method with quantitative approach to research design pretest-posttest control group design. The study population was all students of class VII Islamic Solidarity School Jantho Aceh Besar. Sampel consists of two classes, namely the experimental class and control class taken with random sampling technique. To determine the increase in communication and independent learning ability of students between the group problem posing approach aided by a group mind map problem posing without a mind map used the t-test at the 0.05 significance level. The results showed that the increase in mathematical communication skills and independent learning that students acquire learning by problem posing approach aided mind map better than students who received no mind problem posing approach. Problem posing approach aided the mind map in learning can improve communication skills and independence of student learning mathematical form rather than the problem posing without a mind map. Aided learning approach problem posing a mind map can be used as an alternative learning that can improve mathematical communication skills and student learning independence
Efektivitas Metode Pembelajaran Drill dengan Pendekatan Peer Teaching Ditinjau dari Minat dan Prestasi Belajar Matematika Siswa
Get PDFThe aim of this study was to investigate the effectiveness of drill teaching model with peer teaching approach compared to the conventional methods in terms of interest and achievement in learning mathematics student. Research type was design research for experiments that non-equivalent control group design. This study was conducted in SMAN 3 Selong, East Lombok district. The samples were 60 students consisting of experimental class and control class. After analyzing both descriptive and infrensi, it was found that drill learning model with peer teaching approach was effective in increasing the interest in mathematics learning and achievement. There were differences in the effectiveness of drill learning using peer teaching approach with conventional learning in terms of interest and achievement in learning mathematics studen