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Journal : Jurnal Didaktik Matematika

Tingkat Berpikir Kreatif Siswa dalam Menyelesaikan Masalah Matematika Berdasarkan Gaya Kognitif Reflektif dan Impulsif Rahmatina, Siti; Sumarmo, Utari; Johar, Rahmah
Didaktik Matematika Vol 1, No 1 (2014): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Abstrak. This study aims to determine the level of students creative thinking in solving math problems. This study is a qualitative verificative research. Subjects numbered 4 people ie students of SMA Negeri 4 Banda Aceh class X. The selection of subjects was based on Matching Familiar Figure Test ( MFFT ) ie 2 students and 2 students reflective impulsive. The data were obtained from the study subjects written response tests of creative thinking math ( TBKM ) and interviews. To test the credibility of the data the researcher doing triangulation. In this study, triangulation was used to compare the triangulation method TBKM TBKM 1 with 2 and interviews. Creative thinking abilities of students can be seen by thinking of creative mathematics achievement indicators. Creative thinking ability of students surveyed as follows, the level of creative thinking on the subject of reflective material up 1 flat is level 4 which meets four indicators of fluency, novelty, flexibility, and elaboration, the level of creative thinking on the subject of reflective material equation 1 is a straight line that is level 4 meet four indicators fluency, novelty, flexibility, and elaboration. Level of creative thinking on the subject of reflective material up 2 flat is level 4 which meets four indicators of fluency, novelty, flexibility, and elaboration, the level of creative thinking on the subject of reflective material 2 is a straight line equation 4 level indicator which meets four fluency, novelty, flexibility, and elaboration. Level of creative thinking on the subject matter up impulsively 1 flat is level 1 which meet the proficiency indicator, the level of creative thinking on the subject matter impulsive equation 1 is a straight line which meets the level 1 two indicators of fluency and elaboration. Level of creative thinking on the subject matter up impulsively 2 flat is level 3 which meets three indicators of fluency, novelty, and elaboration, the level of creative thinking on the subject matter impulsive equation 2 is a straight line that meets two level 1 indicators fluency and elaboration. Keywords: Creative thinking, reflexive and impulsive cognitive style
Kemampuan Mahasiswa Program Studi Pendidikan Matematika FKIP Unsyiah Menyelesaikan Soal PISA Most Difficult Level Sulastri, Rini; Johar, Rahmah; Munzir, Said
Didaktik Matematika Vol 1, No 2 (2014): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract. To increase and improve PISA rankings (Programme for International of Student Assessment) of Indonesian students not only starts from the students, but also teachers and prospective teachers. The purpose of this study was to determine the ability of students as prospective teachers to solve problems of high-level PISA (most difficult) is level 5. This study was a descriptive study using a qualitative approach to describe the ability of each student in solving PISA question. The subjects were students taking the Teaching Mathematics I course of Mathematics Education Program FKIP Unsyiah. Data analysis in qualitative research based on the results of the data collection process in the form of field notes, documentation, and interviews. Assessment conducted on students ability to solve problems using the PISA assessment rubric. Furthermore, the score obtained is converted into the interval level of ability. The results showed only one student (14,28 %) of the seven students who have an excellent ability to resolve the matter appropriately. Meanwhile, three students (42,85 %) experienced only a mistake on the problems at the problem of the distance down. However, the ability of the three students vary based on the accuracy of the analysis in solving aspects. For the third ability of other students (42,85 %) were still low due to the settlement of questions that do not quite right with the ability to be at sufficient levels. Based on the results of this study are expected each faculty can use international issues as a matter of PISA in learning, so that students get used to solve the problems of non-routine to improve their ability to understand and solve problems, which can contribute to the future of teaching practice. Keywords: PISA, most difficult level, students as prospective teachers
Pengembangan Perangkat Pembelajaran Berbasis Pendekatan Open-Ended untuk Meningkatkan Kemampuan Berpikir Kreatif Matematis Siswa SMP Anwar, Nur; Johar, Rahmah; Juandi, Dadang
Didaktik Matematika Vol 2, No 1 (2015): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract. Mathematics is a lesson that is taught from primary education to higher education. However, the implementation of learning, especially SMP were encountered obstacles, one of which is the lack of representative learning device. This study was a response to the need for a valid learning tool, especially book teacher and student book. This research development, namely the development of learning tools based on open-ended approach to improve the ability to think creatively mathematical school students with materials Statistics. Software development models used in this study was a modification of the steps Plomp model, namely (1) preliminary investigation phase (phase preliminary investigation), (2) design phase (phase design), (3) realization/construction phase (phase realization/construction), and (4) test, evaluation, and revision phase (phase test, evaluation and revision. The device consists of learning learning implementation plan (RPP), teacher guide, student books, student worksheet and the test of learning outcomes. Methode of data collection was done through the validation sheet, test, and questionnaire of students’ responses. Results of the validation sheet was obtained that the RPP had an average value of 4.05 with valid criteria, teacher guide had an average value of 3.94 with valid criteria, students’ books had an average value of 3.9 with valid criteria, student worksheet had an average value of 3.83 with valid criteria, and test results of learning had an average value of 4.15 with very valid criteria. Students response to the five components was as much as 94.3%.Keywords: Software development learning, model plomp, open-ended approach, mathematical creative thinking ability
Optimisme Siswa SMP dalam Menyelesaikan Soal Problem Solving Nolismasari, Nolismasari; Johar, Rahmah; Yusrizal, Yusrizal
Didaktik Matematika Vol 4, No 1 (2017): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Currently, 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 optimist
Pengebangan Design Pembelajaran Tematik untuk Meningkatkan Pemahaman Konsep Bilangan Desimal Siswa Sekolah Dasar Wirda, Erna; Johar, Rahmah; Ikhsan, M.
Didaktik Matematika Vol 2, No 1 (2015): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract: The decimal number is a subject matter that is difficult to understand by elementary school student. Fractions and decimals is seen by the student as two different things. Students are difficult to understand that 1/4 is equal to 0.25 for the different way of writing. This condition causes the teachers need to design learning trajectory that can facilitate students to understand the decimals material. The purpose of this study was to develop a Hypothetical Learning Trajectory (HLT) that can help students understand the concept of decimal numbers. This study involves a teacher and 36 students of fourth grade of elementary school in Banda Aceh. The method used was a design research method that was done by using two cycles they are pilot experiments and teaching experiments. Each of them consists of three stages: (i) preparing for the experiment, (ii) the teaching experiment, and (iii) the retrospective analysis. Research data collection using two kinds of instruments that were the main instrument who was the researchers herself and supporting instruments consisting of student activity sheets, observation sheets, interview, and field notes. The results showed HLT that was developed can help students understand the concept of a decimal number.Keywords: Hypothetical learning trajectory, conceptual understanding, decimal numbers
Pengembangan Perangkat Problem Based Learning (PBL) dalam Pembelajaran Matematika di SMA Sari, Suci Mahya; Johar, Rahmah; Hajidin, Hajidin
Didaktik Matematika Vol 3, No 2 (2016): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Problem Based Learning, PBL, is one of concept learning to apply real life concept and present problem in the beginning of learning. In the textbook, the topic of learning not suitable with daily activities of students and a teacher not understood what he or she taught to their student. In fact, the case will bring a situation which pupils not interested with mathematics because they did not learn about what they need. Based on the case, it created a development student’s book, teacher’s book, and student worksheet. They presented problems in student life. This research has purposed to generated the mathematics learning with PBL models are valid and practical. In study, the method was used a development research, namely Dick model and Carey model. The learning PBL consists of the teacher’s book, student worksheet, lesson plan, and achievement test. Based on development, it shown that validation learning tools were resulted the overall validation of learning illustrated validity criteria was very valid,  validation of test result was valid, and validation of question was valid. Furthermore, learning tool developed was practical category, it based on experiment in in SMA Negeri 8 Banda Aceh and students of class X which has very good of activities percentage, learning process very good by teacher observation, and test result on worksheet was very good.  The assignment  of student and teacher to the learning tool show good criteria, and score of students test have reached an average by 76.1.The conclusion, in this research, shown that the PBL learning tool developed which fulfill valid categorize and practical
Kemampuan Koneksi Matematis dan Peta Konsep Siswa SMP melaluiModel Pembelajaran Advance Organizer Bahri, Samsul; Johar, Rahmah; Duskri, M.
Didaktik Matematika Vol 1, No 2 (2014): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract. Mathematics is structured that any material science related. To understand the interrelated mathematical material this needs the capability matematis.Kemampuan connection mathematical connection is very important and is one of the capabilities that must be owned by a person and the unavoidable presence when someone studying mathematics. This study aims to determine: Is the increase in mathematical connection ability of students who obtain advance learning through learning model organizer better than students who received conventional learning, interaction learning model initial advance organizer with the ability of students to increase the ability of students' mathematical connections, and describes the ability to make map concept of junior high school students who acquire learning through advanced learning model organizer. This research uses experimental methods kuantitatifdengan approach. The population in this study were all seventh grade students of SMP Negeri 5 Lhokseumawe consisting of ten classes. As a sample of randomly selected classes will be the subject of study chosen as an experimental class VII1 class and class VII5 control..Instrumen elected as class research in this study is testing the ability to connect mathematical description shaped totaled about 5 grains soal.Koefisien the reliability test of 0.672 koefesienreliabilitas tests showed high levels. The results showed that: (1) Increased ability of students being taught mathematical connection with the advance organizer learning model is better than the students who obtain konvensionalbaik overall learning and based on the level of the student. (2) There is no interaction learning model initial advance organizer with the ability of students to increase the ability of students' mathematical connections. (3) The ability of the students create concept maps in learning mathematics through advanced learning model organizeradalah well. Keywords: Learning Model Advance Organizer, Ability Mathematical Connections, and Concept Map
Peningkatkan Kemampuan Pemahaman dan Penalaran Matematis melalui Pendekatan Kontekstual Fuadi, Rahmi; Johar, Rahmah; Munzir, Said
Didaktik Matematika Vol 3, No 1 (2016): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

The low achievement on students’ mathematical comprehension and reasoning was still low due to the informational pattern of material in mathematics has been delivered to students informatively which means students get the information only from the teacher, so students’ mathematical ability also low. The purpose of this research was to examine the differences of comprehension ability and mathematical reasoning between students who learned mathematics through contextual learning and students who learned through conventional approach. Design for this research was pretest-posttest control group design. To obtain the research data, comprehension ability and mathematical reasoning test were used as the instrument. This research conducted at Madrasah Tsanawiyah Negeri Model Banda Aceh. The population of this study was all students at grade VIII while samples were chosen from 2 of 11 of grade VIII by purposive sampling. The data analysis was done quantitative way. Quantitative analysis conducted on the normalized average gain between two samples by using t-test. The result showed that overall learning mathematics by using contextual learning treatment can encourage students; comprehension ability and mathematical reasoning ability. Learning mathematics by contextual learning approach significantly better in encourage the students’ comprehension ability and mathematical reasoning than using conventional approach. Learning by contextual approach can be a good alternative learning approach that can be implemented in Junior High School
Peningkatan Kemampuan Komunikasi Matematis dan Motivasi Siswa dengan Pembelajaran Pendekatan Quantum Learning pada Siswa SMP Negeri 5 Lhokseumawe Darkasyi, M.; Johar, Rahmah; Ahmad, Anizar
Didaktik Matematika Vol 1, No 1 (2014): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Abstrak. Rendahnya kemampuan komunikasi matematis dan motivasi siswa di Sekolah Menengah Pertama (SMP) disebabkan guru masih cenderung aktif, dengan pendekatan konvensional menyampaikan materi kepada para peserta didik, sehingga siswa dalam mengkomunikasikan matematis dan motivasi masih sangat kurang. Penelitian ini bertujuan untuk mengetahui apakah peningkatan kemampuan komunikasi matematis siswa yang memperoleh pembelajaran dengan pendekatan Quantum learning berbeda dari siswa yang memperoleh pembelajaran secara konvensional di SMP Negeri 5 Lhokseumawe. Untuk mengetahui apakah peningkatan motivasi siswa yang memperoleh pembelajaran dengan pendekatan quantum learning berbeda dari pada siswa yang memperoleh pembelajaran secara konvensional di SMP Negeri 5 Lhokseumawe. Pengumpulan data digunakan instrumen berupa tes kemampuan komunikasi matematis dan angket motivasi siswa. Untuk melihat adanya perbedaan kemampuan siswa antara kelompok eksperimen dengan kelompok kontrol digunakan uji-t dengan taraf signifikan 0,05 setelah prasyarat pengujian terpenuhi. Hasil penelitian menunjukkan bawa peningkatan kemampuan komunikasi matematis siswa yang memperoleh pembelajaran dengan penerapan pendekatan quantum learning lebih baik dari pada siswa yang memperoleh pembelajaran secara konvensional. Motivasi siswa di kelas yang memperoleh pembelajaran pendekatan quantum learning lebih baik dari pada motivasi siswa yang memperoleh pembelajarabn secara konvensional. Pendekatan pembelajaran quantum learning sangat potensial untuk diterapkan dalam pembelajaran matematika, terutama pada saat pengenalan konsep dasar suatu materi. Kata Kunci:    Pendekatan Pembelajaran Quantum Learning, Kemampuan Komunikasi Matematis, Motivasi Siswa
Peningkatan Kemampuan Pemecahan Masalah dan Berpikir Kritis Matematis Siswa melalui Pendekatan Metakognitif Fasha, Ainuna; Johar, Rahmah; Ikhsan, M.
Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Mathematical problem solving and critical thinking is two skills that need to be improved through learning mathematics. Metacognitive approach is one approach to improve them. This study aims to examine differences in the improvement of problem solving skills and mathematical critical thinking between students who get learning with a metacognitive approach and students who get conventional learning. This research is an experimental study with a pre-test post-test control group design research design. The population was all students of class XI of SMAN 3 Banda Aceh by taking samples of two classes, namely the experimental class and the control class through purposive sampling technique. Data collection was carried out using problem solving ability tests and mathematical critical thinking tests. Data analysis used t-test and analysis of variance. The results show that overall the improvement of students' mathematical problem solving and critical thinking skills that are learning with a metacognitive approach are better than students who obtain conventional learning, and there is an interaction between learning approaches and student ratings on mathematical problem-solving abilities