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PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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Articles 139 Documents
PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH DAN PENALARAN MATEMATIS SISWA SMA MENGGUNAKAN STRATEGI PEMBELAJARAN PENINGKATAN KEMAMPUAN BERPIKIR (SPPKB) Sitorus, Awaluddin
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
Publisher : PARADIKMA JURNAL PENDIDIKAN MATEMATIKA

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The problem in this research is the students´ low ability of problem-solving and reasoning due to process of teacher-centered learning and without considering the capabilities of individuals in the creation of knowledge. The Changing in the process of teaching paradigm (teacher-centered) into a paradigm of learning (student-centered) must be done. One of the student-centered learning and making capabilities of individuals as the basis for the formation of knowledge is an Improving Thinking Ability Learning Strategy (ITALS). Experimental research design with pretest-posttest control group aims to determine the increase in problem-solving and reasoning abilities of students. The population in this study is the whole high school students of Asahan. Randomly selected two schools are at a medium level (secondary), one school from the district capital, and another from the sub district capital. Then, it randomly selected two classes of some parallel class XII. Experimental classes were treated Upgrades Improving Thinking Ability Learning Strategies (ITALS), and control classes were treated Mathematical Approach Ordinary (conventional). The instrument used consisted of: Problem solving skills and reasoning ability tests. The content of validation instrument, lesson plans and lesson observation sheet are done by a Doctoral Education in Mathematics, two masters of education in mathematics, and two high school teachers. Data analysis was performed by t test. The main result of this research are the students who are taught by ITALS significantly better in improving problem solving skills, reasoning ability and the pattern of answers.
PEMBELAJARAN MATEMATIKA DENGAN MODEL QUANTUM TEACHING BERBANTUAN MEDIA AUDIO VISUAL UNTUK MENINGKATKAN PENALARAN DAN MOTIVASI SISWA SMP H, Susan Meliana; Dewanto, Stanley P
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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This paper discusses the ways in which audio visual media in Quantum teaching based learning can be used as a pedagogic means to enhance mathematics reasoning skills and to increase students’ motivation to study mathematics, based on the premise that, since audio visual media is already played a big role in many students daily life, its use can help to facilitate learning inside the mathematics classroom. Specifically, the paper reports on an intensive six-week Quantum teaching with media and audio visual’s aid at SMP BPK 1 Penabur Bandung, which sought to use audio visual media as analogous to mathematics reasoning in terms of introducing students to concepts in Data Handling material. Feedback from students indicates an appreciation of audio visual media in Quantum teaching based learning model. A high increase in average student performance (pre and post-test) is also noted.
PEMBELAJARAN INKUIRI SEBAGAI UPAYA PENINGKATAN BERPIKIR KRITIS DAN KOMUNIKASI MATEMATIS SISWA SEKOLAH MENENGAH PERTAMA Simamora, Erika Nora
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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The study was conducted to improve the ability of critical thinking and mathematical communication students of SMP Negeri 14 Medan. This was an experimental study where the population is all students in grade IX SMP Negeri 14 Medan, which consisted of five classes. Samples were selected at random simple two classes so that the selected class IX (D) to control the class and class IX (E) be a class experiment where each class consists of 40 students. The instruments used in this study namely, tests of critical thinking skills and communication ability test shaped mathematical description of each test consists of 4 questions. The instrument has been tested and found valid and the reliability coefficient of 0.935 and 0.95 respectively for the ability of critical thinking and mathematical communication skills. The test is given twice before (pretest) and after (posttest) of learning. Conclusion of the study: (1) increase students ´critical thinking skills inquiry learning junior who received 0.3974 (39.74%) better than students who received conventional learning 0.274 (27.40%), (2) improving students´ mathematical communication skills junior who received inquiry learning 0.3317 (33.17%) better than students who received conventional learning 0.257 (25.70%), (3) the pattern of responses of the students who followed the inquiry learning better than students who received conventional teaching based on value scores obtained by each class.
PENGARUH PENDEKATAN PEMBELAJARAN KOOPERATIF TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SMP Sartika, Ika
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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This study aims to determine the influence of critical thinking skills among students who received mathematics learning through cooperative approaches with students who received conventional math learning. This research is a quasi-experimental study in junior high Madya Medan city, with the subject of student population is 31 and Junior Secondary Schools Private Nurul Hasanah and take 2 classes each of which is in Junior High School 31 class VIII.3 and VIII.4 while in junior high Private Nurul VIII.1 and VIII.2 Hasanah class as a research sample. Samples were randomly selected from two school units for the entire eighth grade at Junior High School 31 there are 5 classes in junior high while Private Nurul Hasanah there are 5 classes. The instrument used to collect data in this study consisted of testing the ability to think critically before the instruments used first tested and the results of high reliability critical thinking (0.61). From the research there is the influence of critical thinking skills to obtain cooperative learning with students who obtain conventional learning. For the ability to think critically, to analyze the experimental class question 0.86 (high) while the control class 0.84 (high), 0.84 synthesize experimental class question (high) while the control class 0.80 (high), recognize the problem experimental class 0 , 86 (high) while the control class 0.77 (high), problem-solving experimental class 0.88 (high) while the control class 0.86 (high), concluded an experimental class question 0.91 (high) while the control class 0, 83 (high). From the results of this study concluded that critical thinking skills in students who obtained a cooperative learning approach to change significantly better than students who received conventional learning. The cooperative learning approach is an alternative for teachers of mathematics in presenting math, it should be socialized cooperative learning approach used in institutions of units of each school.
UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI DAN PEMAHAMAN MATEMATIK SISWA ., Imelda
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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The aims of this study are conducted to know: (1) the comprehension and improvement of students ability of mathematical communications after studying cooperative learning model think-pair-share type with media software Autograph, (2) the students design in answering math comprehension and communications, (3) students responds to cooperative learning model think-pair-share type with media software Autograph. This research is a classroom action research. The subject of this research is 40 students of grade XI SMK N 9 Medan. The research object is the improvement of students ability in mathematical comprehension and communication through cooperative learning model think-pair-share type with media software Autograph at discussion of transformation. The instruments are pretest, communication mathematical test, comprehension mathematical test, student note, observation sheets, and students respond. The reliable of pretest, comprehension mathematical test cycle 1 and 2 is 0,86 and the reliable of communication mathematical test is 0,88. This study consisted of 2 cycles of the first cycle consisted of 4 meetings and the second cycle consisted of 2 meetings. The result of study show that the (1) application of cooperative learning model think-pair-share type with media software Autograph can improve the ability of mathematical comprehension and mathematical communications of student, (2) the design in answering math communications and math comprehension are graphic is true and complete, the description of graphic is not complete enough, the description of graphic is true and complete, the description of graphic is not complete. (3) Students respond of cooperative learning model think-pair-share type with media software Autograph is good. Based on this conclusion it is expected that the teachers can apply cooperative learning model think-pair-share type with media software Autograph to improve the ability of mathematical comprehension and mathematical communications of student.
PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH DAN KONEKSI MATEMATIKA SISWA SMP DENGAN MENGGUNAKAN PEMBELAJARAN BERBASIS MASALAH Daulay, Leni Agustina
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 1 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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The purposes of this study are to examine: (1) Increasing mathematical problem-solving abilities of students who obtained a model of problem-based learning better than students who received direct instruction model, (2) Increasing the ability of students who obtained a mathematical connection problem based learning model is better than students who received direct instruction model, (3) Levels of student activity during problem-based learning process in progress. This research is a semi-experimental. The population of this research is of seventh grade of Juinor High School accredited B at Tebing Tinggi. At random, one school was chosen as research subjects, namely Junior High School District 4 at Tebing Tinggi. Two Classes of seventh grade were selected randomly. Class experiment treated the problem based learning model and classroom teaching model treated controls directly. The instrument used consisted of: a test of mathematics problem-solving ability, mathematical ability test connection and observation sheet.Data analysis was performed with analysis of covariance (ANACOVA). The result of this study is the overall student learning with problem-based learning is significantly better in improving mathematical problem solving skills and connections that learning mathematics than students with hands-on teaching and activities of students in problem-based learning is effective. Based on the results of the study, the researchers recommend that: (1) problem-based learning in mathematics learning that emphasizes problem solving skills and mathematical connections students can be used as an alternative for implementing innovative math learning.
PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH SISWA MELALUIPENDEKATAN MATEMATIKA REALISTIK Saragih, Risna Mira Bella
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 4, No 2 (2011): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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The problem in this research is low student problem solving skills and students are not accustomed to solving problems with various procedures. This study aimed to determine (1) the differences increase students´ problem-solving. (2) Determine the pattern of answers that the students in solving problems in each lesson. This study is a quasi-experimental, with research samples of class VII Budi Satrya SMP and SMP Al-Azhar Medan. Instruments used in math problem solving tests. Those instruments have been declared eligible content validity, and reliability coefficient of 0.95. Data analysis was performed with t test and Mann Withney. The main result of this study was (1) there is a difference improving problem-solving abilities of students who obtain realistic mathematics learning approach with students who get regular learning approach. Increased ability to understand the experimental class problem with categories is 0.51, while the control class at 0.28 with a low category. Improved ability to plan completion of the experiment class was 0.54 with a category of approximately 0.33 while the control class with the medium category. Increased ability to perform calculations experimental class at 0.47 with medium category, while the control class at 0.28 with a low category. Increased ability to re-examine experimental class 0.44 medium category, while the control class 0.22 with a lower category. (2) The pattern of responses of the students in learning mathematics with a realistic approach to obtain better results compared to the pattern of responses of the students in learning with the usual approach. Suggestions for teachers are (1) Learning with a realistic mathematical approach can be used as an alternative for teachers of mathematics in presenting the subject matter of mathematics. (2) Learning with a realistic mathematical approach should be applied to the essential material regarding the real objects around the place to learn, to make students more quickly understand the lessons being learned. (3) In every lesson the teacher should create a learning atmosphere that gives the opportunity for students to express mathematical ideas in their own language and ways, so in mathematics learning to be brave argued, more confident and creative. While the advice to the researchers continued, should this research can be equipped with a detailed study of other aspects that have not been reached in this study.
PERBEDAAN KEMAMPUAN PENALARAN MATEMATIKA DAN PEMECAHAN MASALAH PADA PEMBELAJARAN BERBASIS MASALAH DAN PEMBELAJARAN KONVENSIONAL DI SMA NEGERI 1 KUALUH SELATAN ., Nurdalilah; Syahputra, Edi; Armanto, Dian
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 6, No 2 (2013): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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Tujuan dalam penelitian eksperimen semu ini menyelidiki perbedaan: (1) Kemampuan penalaran matematika pada pendekatan PBM dan pembelajaran secara konvensional, (2) Kemampuan pemecahan masalah pada pendekatan PBM dan pembelajaran secara konvensional, (3) Interaksi antara pendekatan pembelajaran dan kemampuan awal siswa terhadap kemampuan penalaran matematika, (4) Interaksi antara pendekatan pembelajaran dan kemampuan awal siswa terhadap kemampuan pemecahan masalah. Instrumen yang digunakan dalam penelitian ini adalah: (1) Tes kemampuan penalaran matematika, (2) Tes kemampuan pemecahan masalah. Pokok bahasan yang diajarkan adalah trigonometri dan tes berbentuk uraian. Populasi dalam penelitian ini adalah seluruh siswa SMA Negeri 1 Kualuh Selatan, sampel eksperimen berjumlah 37 orang dan sampel kontrol berjumlah 37 orang siswa. Data dianalisis dengan uji ANAVA dua jalur. Diperoleh rata-rata tes kemampuan penalaran matematika kelas eksperimen 11,87 dan rata-rata tes kemampuan penalaran matematika kelas kontrol 10,15. Rata-rata tes kemampuan pemecahan masalah kelas eksperimen 32,85 dan rata-rata tes kemampuan pemecahan masalah kelas kontrol 26,92. Setelah dilakukan uji-t diperoleh t hitung pada kemampuan penalaran matematika 3,563 dan t hitung pada kemampuan pemecahan masalah 7,179.
PEMBELAJARAN SEGITIGA DENGAN PENDEKATAN KONTEKSTUAL BERBASIS KARAKTER DI KELAS VII SMP NEGERI 3 BANDA ACEH TAHUN PELAJARAN 2012/2013 Patmawati, Dian; Johar, Rahmah; Zubaidah, Tuti
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 6, No 2 (2013): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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Penelitian ini dilatarbelakangi pada fenomena seiring terkikisnya nilai karakter siswa, pandangan bahwa pengetahuan sebagai seperangkat fakta yang harus dihafal dan masih berfokus pada guru, serta kesulitan siswa dalam menyelesaikan masalah-masalah pada materi segitiga yang berkaitan pada dunia nyata. Materi segitiga memerlukan kreativitas dan kerja keras siswa sehingga siswa dituntut untuk membangun pengetahuannya sendiri. Pendekatan kontekstual merupakan salah satu pendekatan yang sesuai pada materi segitiga dengan pengajaran yang mengacu pada kehidupan dunia nyata dan siswa diajak untuk belajar berpikir serta menanamkan karakter kerja keras. Penelitian ini bertujuan untuk mengetahui level karakter kerja keras siswa dan hasil belajar siswa melalui pembelajaran dengan pendekatan kontekstual berbasis karakter pada materi segitiga. Penelitian ini merupakan penelitian eksperimendengan desain one shot case study . Subjek penelitian ini adalah siswa kelas VII-6 SMP Negeri 3 Banda Aceh yang berjumlah 32 orang dengan 3 orang siswa yang diamati karakter kerja kerasnya. Data dalam penelitian ini dikumpulkan dengan teknik observasi dan tes. Observasi dilakukan untuk mengamati karakter kerja keras siswa sedangkan tes digunakan untuk mengukur kemampuan siswa tentang segitiga. Data level karakter siswa dianalisis dengan menggunakan empat kategori, yaitu Belum Terlihat (BT), Mulai Terlihat (MT), Mulai Berkembang (MB), dan Menjadi Kebiasaan (MK), sedangkan data tes hasil belajar siswa dianalisis dengan cara menghitung persentase dan membandingkan dengan KKM. Hasil penelitian menunjukkan bahwa pembelajaran dengan pendekatan kontekstual berbasis karakter yang digunakan dalam materi segitiga di kelas VII-6 SMP Negeri 3 Banda Aceh level karakter siswa mengalami peningkatan yaitu berada pada level MB dan MK, hasil tes seluruh siswa mencapai ketuntasan secara klasikal, dan kemampuan guru mengelola pembelajaran berada pada kriteria baik.
MEMBANGUN KARAKTER MELALUI PEMBELAJARAN MATEMATIKA ., Hasratuddin
PARADIKMA JURNAL PENDIDIKAN MATEMATIKA Vol 6, No 2 (2013): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA
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Tujuan tulisan ini adalah untuk memberikan secara teoritis proses pembelajaran matematika untuk membangun karakter atau keperibadian yang bermartabat. Karakter adalah suatu perilaku yang telah mendarah-daging dan menjadi respon spontan manusia dalam menyikapi kejadian. Interaktif dapat melahirkan kebahagiaan, kepuasan dan martabat atau kemuliaan. Sistem pendidikan seperti ini disebut education touch dan pembelajaran dengan perasaan atau taste for learning. Dengan demikian, pembelajaran yang memuat proses konstruktif, interaktif dan reflektif adalah suatu proses pembelajaran yang sangat urgen untuk dilakukan pada zaman krisis moral sekarang ini.

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