Maslina Simanjuntak, Maslina
Prodi Pendidikan Matematika PPS Unimed Medan

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MODEL PEMBELAJARAN KOOPERATIF THINK-TALK-WRITE (TTW) DAN SOFTWARE AUTOGRAPH DALAM MEMPERSIAPKAN PENDIDIK MATEMATIKA MENGHADAPI MASYARAKAT EKONOMI ASEAN (MEA) Simanjuntak, Maslina
Jurnal Dinamika Pendidikan Vol 9 No 2 (2016): JULI
Publisher : Jurnal Dinamika Pendidikan

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Abstract

ABSTRACTThe background of this paper is the lack of readiness of educators in Indonesia, especially for mathematics educators in the ASEAN Economic Community (AEC). The purpose of this paper is to prepare mathematics educators to encounter AEC so that they can compete, and make the AEC as an opportunity, not as a threat to his career. To overcome these problems, the solutions offered are: 1) The mastery in innovative learning model, as an example of cooperative learning model Think-Talk-Write (TTW), which can improve students’ mathematics learning outcomes, and the ability of students mathematical representation and communication, 2) The mastery of the use of technology, one of them is using mathematical software called Autograph, which can make mathematics educators have the creativity in showing the beauty of mathematics so that can attract the learners to learn. The mastery of an innovative learning model and the mastery of the use of technology such as Think-Talk-Write (TTW) and Autograph is expected to be the solution to improve the quality of mathematics educators in Indonesia.Keywords: Think Talk Write (TTW), AutographABSTRAKLatar belakang penulisan makalah ini adalah masih rendahnya kesiapan para pendidik di Indonesia khususnya pendidik matematika dalam menghadapi Masyarakat Ekonomi ASEAN (MEA). Tujuan penulisan makalah ini adalah untuk mempersiapakan para pendidik matematika dalam menghadapi MEA sehingga dapat bersaing, dan menjadikan MEA sebagai peluang bukan ancaman bagi kariernya. Untuk mengatasi permasalahan tersebut maka solusi yang ditawarkan adalah: 1) Penguasaan model pembelajaran yang dapat inovatif, sebagai contoh model pembelajaran kooperatif tipe Think-Talk-Write (TTW) yang dapat meningkatkan hasil belajar matematika siswa, dan kemampuan representasi serta komunikasi matematis siswa, 2) Pengguasaan terhadap penggunaan tekhnologi salah satunya penggunaan software matematika yaitu Autograph yang dapat membuat pendidik matematika memiliki kreativitas dalam memperlihatkan keindahan dari matematika yang dapat menarik minat peserta didik untuk belajar. Pengguasaan model pembelajaran yang inovatif, dan pengguasaan penggunaan tekhnologi seperti Think-Talk-Write (TTW) dan Autograph diharapkan dapat menjadi solusi untuk meningkatkan mutu pendidik matematika di Indonesia.Kata kunci: Think Talk Write (TTW), Autograph.
DESKRIPSI HASIL JAWABAN SISWA MAN 2 BEKASI DALAM MENYELESAIKAN PERSOALAN TRIGONOMETRI DITINJAU DARI KEMAMPUAN REPRESENTASI MATEMATIKA Radiusman; Harry Soeprianto; Simanjuntak, Maslina
Jurnal Dinamika Pendidikan Vol. 13 No. 2 (2020): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51212/jdp.v13i2.1608

Abstract

This qualitative descriptive study aims to describe the students' mathematical representation ability in solving trigonometric problems. This research was conducted in class X IPA 1 MAN 2 Bekasi City totaling 39 people. Data in this study were obtained through the results of student answers and interviews. The mathematical representation is given consists of two questions in the form of description. The subject of this study consisted of one student and the research data were analyzed using qualitative descriptive techniques. The results showed that the research subjects were able to choose, translate mathematical problems and the research subjects were able to use ideas into model form to describe mathematical phenomena but the inability to understand the trigonometric comparison formula became the cause of the research subjects being unable to solve mathematical problems properly.
ANALISIS VIDEO PEMBELAJARAN MATEMATIKA MAHASISWA PGSD UNIVERSITAS MATARAM PADA MATA KULIAH PEMBELAJARAN MATEMATIKA SD Radiusman, Radiusman; Simanjuntak, Maslina
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 6 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i6.p%p

Abstract

This qualitative research aims to analyze the stages of mathematics learning activities carried out by primary school teacher candidates at the University of Mataram. The data analysis of this research was conducted in a descriptive qualitative manner. The research subjects were randomly selected consisting of two primary school teacher candidates who have different genders but have the same academic ability. The data analysis process was carried out by collecting data, presenting data, and drawing conclusions. Data collection was obtained through instructional videos of primary school teacher candidates in primary school mathematics learning courses . The presentation of data is done by describing the stages of learning activities that the teacher must do in the classroom. The results of this study indicate that the research subjects have their respective strengths and weaknesses in the implementation of learning activities, the material abilities of the research subjects are still weak in learning activities and the research subjects do not utilize/use knowledge in previous courses to improve teaching quality.
PENGARUH MODEL PEMBELAJARAN TTW TERHADAP KEMAMPUAN KOMUNIKASI TERTULIS DAN DISPOSISI MATEMATIS SISWA [THE EFFECT OF THE TTW TYPE COOPERATIVE LEARNING MODEL ON WRITTEN COMMUNICATION SKILLS AND MATHEMATICAL DISPOSITION] Radiusman, Radiusman; Simanjuntak, Maslina
JOHME: Journal of Holistic Mathematics Education Vol 3, No 2 (2020): JUNE
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v3i2.2392

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This quasi-experimental quantitative research aims to improve the written communication skills of mathematical disposition students of grade 10 social studies-track students at a public high school in Jakarta. The design of this study was one group pretest-post test design with a sample of 36 people. Based on the mathematical written communication test, results obtained showed that the average pretest value was 55.74  and the average posttest value was 79.39. The t-test results also showed that the study showed (0.00 <0.05), then is rejected. This means that the TTW type of cooperative learning influences mathematical written communication skills. The results of the mathematical disposition questionnaire also showed that the average mathematical disposition before treatment was 57.563 (medium category) and the average value of mathematical disposition after treatment was 63.382 (high category). This shows that the mean of using TTW type of cooperative learning influences mathematical disposition.BAHASA INDONESIA ABSTRACT: Penelitian kuantitatif quasi eksperiment ini bertujuan untuk meningkatkan kemampuan komunikasi tertulis dan disposisi matematis siswa kelas X IPS 4 SMAN 50 Jakarta. Desain penelitian ini adalah one group pretest-posttest design dengan sampel sebanyak 36 orang. Berdasarkan hasil tes kemampuan komunikasi tertulis matematis diperoleh bahwa rata-rata nilai pretest  adalah 55,74  dan rata-rata nilai posttest adalah  79,39. Hasil uji t juga menunjukkan bahwa penelitian menunjukkan (0,00<0,05), maka  ditolak. Hal ini berarti pembelajaran kooperatif tipe Think-Talk-Write berpengaruh terhadap kemampuan komunikasi tertulis matematis. Hasil angket disposisi matematis juga menunjukkan bahwa rata-rata disposisi matematis sebelum perlakuan adalah 57, 563 (kategori sedang)   dan rata-rata nilai disposisi matematis sesudah perlakuan adalah 63,362 (kategori tinggi). Hal ini menunjukkan bahwa berarti pembelajaran kooperatif tipe TTW berpengaruh terhadap disposisi matematis. 
PEMECAHAN MASALAH GENERALISASI POLA MATEMATIKA CALON GURU SEKOLAH DASAR DITINJAU DARI GAYA BELAJAR [THE PROBLEM SOLVING OF MATHEMATICAL PATTERN GENERALIZATION BY PROSPECTIVE ELEMENTARY SCHOOL TEACHERS BASED ON LEARNING STYLES] Radiusman, Radiusman; Simanjuntak, Maslina
JOHME: Journal of Holistic Mathematics Education Vol 4, No 1 (2020): DECEMBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/johme.v4i1.2654

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This qualitative research aims to describe the problem solving of pattern generalization in terms of visual, auditory, and kinesthetic learning styles. The subjects in this study were three primary school teacher candidates at the University of Mataram with visual, auditory, and kinesthetic learning styles. Data was collected by giving ELSA learning style tests and pattern generalization tests to the subjects and interviewing the subjects. Data was analyzed using descriptive method and classificationing. The results showed that the research subjects who had a visual learning style were able to perform the problem-solving stages better than the audio and kinesthetic learning styles. This is because the visual learning style likes reading or understanding written instructions which results in the visual learning style being capable of good and orderly coding and processing of information.BAHASA INDONESIA ABSTRACT: Penelitian kualitatif ini bertujuan untuk mendeskripsikan pemecahan masalah generalisasi pola ditinjau dari gaya belajar visual, auditori dan kinestetik. Subjek pada penelitian ini adalah tiga orang mahasiswa calon guru Universitas Mataram dengan gaya belajar visual, auditori dan kinestetik. Pengambilan data dilakukan dengan cara memberikan tes gaya belajar ELSA dan tes generalisasi pola dan wawancara. Data dianalisis dengan cara deskriptif dan klasifikasi. Hasil penelitian menunjukkan bahwa subjek penelitian yang memiliki gaya belajar visual mampu melakukan tahapan pemecahan masalah yang lebih baik dibandingkan gaya belajar audio dan kinestetik. Hal ini disebabkan karena gaya belajar visual memiliki sifat suka membaca ataupun memahami instruksi secara tertulis yang mengakibatkan gaya belajar visual memiliki sifat mampu melakukan pengkodean dan pemrosesan informasi yang baik dan teratur.
Students' Vocational High School Misconception Reviewed from Written Mathematical Communication Ability Radiusman, Radiusman; Yurniwati, Yurniwati; Simanjuntak, Maslina; Sabariyah, Rizki Jamiatul; Nurmawanti, Iva
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 2 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i2.6075

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This qualitative research aims to describe students’ misconceptions in linear programming reviewed from written mathematical communication ability. Four students from grade X SMKN 1 Purwasari were selected as research subjects by purposive sampling. Data collected through observation and essay tests. The results showed that the sample students experienced misconceptions in the low and high categories. Misconception with high categories lies in the indicators of changing mathematical ideas into mathematical models (75%), represent mathematical ideas into images or vice versa (100%), and mathematical problem-solving procedures (75%), while misconception with low categories is found in indicators choose the right concept in solving mathematical problems (25%). Based on this result, further treatment is needed to overcome students’ misconceptions before students continue learning to a higher stage.
Analysis of Errors in Solving Geometry Problems Reviewed from Written Mathematical Communication Skills of Teacher Candidates Radiusman, Radiusman; Simanjuntak, Maslina
Indonesian Journal of Science and Mathematics Education Vol. 4 No. 1 (2021): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v4i1.7883

Abstract

This descriptive qualitative research aims to analyze the mistakes of primary school teacher candidates in solving geometry problems reviewed from mathematical written communication skills. This research was conducted on 37 students who were in the 2nd semester and took 3 people as research subjects with the criteria of moderate written communication skills. Data collection techniques were carried out using tests and interviews. The written mathematical communication test was given in the form of a description where each question contains one written mathematical communication indicator. The results of this study indicated that the mistakes were: low knowledge of prerequisite concepts, lack of student experience in working on problems, weak imagination in connecting statements, and low ability to perform calculations.