Articles
KEMAMPUAN BERPIKIR KRITIS SISWA SMP MELALUI PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK INDONESIA
Thasyia Indira;
Somakim Somakim;
Ely Susanty
HISTOGRAM: Jurnal Pendidikan Matematika Vol 1, No 2 (2017): Histogram
Publisher : STKIP Andi Matappa
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DOI: 10.31100/histogram.v1i2.25
Penelitian ini bertujuan untuk mengetahui kemampuan berpikir kritis siswa kelas IXdengan penerapan pendekatan PMRI pada materi barisan dan deret. Penelitian inimerupakan jenis penelitian deskriptif dengan subjek penelitian siswa kelas IX.2SMP Negeri 1 Indralaya Selatan yang berjumlah 25 orang. Proses pembelajaranberlangsung sesuai dengan karakteristik dan prinsip PMRI. Teknik pengumpulandata yang digunakan adalah tes tertulis yang terdiri dari dua soal, wawancara, danobservasi untuk memperoleh data tambahan. Berdasarkan hasil penelitiandiperoleh hasil bahwa kemampuan berpikir kritis siswa dengan penerapan PMRI dikelas IX.2 SMP Negeri 1 Indralaya Selatan memiliki kemampuan berpikir kritiscukup baik dengan rincian sebagai berikut: presentase siswa yang memilikikemampuan berpikir kritis berkategori sangat baik sebanyak 24%, siswa yangmemiliki kemampuan berpikir kritis berkategori baik sebanyak 28%, siswa yangmemiliki kemampuan berpikir kritis berkategori cukup sebanyak 12%, dan siswayang memiliki kemampuan berpikir kritis berkategori kurang sebanyak 36%.Indikator interpretasi memiliki kemunculan tertinggi yaitu sebesar 92,67%.Kemudian kemunculan pada indikator analisis sebesar 82%, kemunculan indikatorevaluasi sebesar 45%. Dan indikator dengan presentse kemunculan terendah adalah inference yaitu sebesar 44,67%.
Mathematical modeling for learning algebraic operation
Diah Dwi Santri;
Yusuf Hartono;
Somakim Somakim
Journal of Education and Learning (EduLearn) Vol 13, No 2: May 2019
Publisher : Intelektual Pustaka Media Utama
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DOI: 10.11591/edulearn.v13i2.8996
This study aims to produce a learning trajectory using the mathematical modeling in helping students to understand the concept of algebraic operations. Therefore, the design research was chosen to meet the research aims and to give in formulating and developing local instructional theory in learning algebraic operations.Learning trajectory designed in the early phases and tested on 34 seven-grade students in SMP N 10 Palembang. Data collection was conducted through observation by recording the learning process that occured in the classroom and students’ group work was evidenced by video and photos. Data was analyzed qualitatively by describing actual learning which happened in pilot experiment and teaching experiment. There are 3 learning activities in the design of this study. These 3 activities are designed based on the steps of the Mathematical Modeling, activity 1 meaning of algebraic expressions, activity 2 addition of algebraic and activity 3 subtraction of algebraic. Based on the result, it can be concluded that activity which has been designed can help the students in learning algebraic operations using mathematical modeling. Used mathematical modeling can help student solve the problems and understand concept are structured using the assumptions and model start they design so gradually developed into formal mathematics.
Permutations Learning Via Role Playing
E.I Pusta Siligar;
Somakim Somakim;
Hapizah Hapizah
Journal of Education and Learning (EduLearn) Vol 12, No 3: August 2018
Publisher : Intelektual Pustaka Media Utama
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DOI: 10.11591/edulearn.v12i3.9241
This research was aimed at producing a learning trajectory, which could help the students to understand the concept of permutations study via role playing activity in the election of chairman and vice-chairman of Intra School Students Organization. The design of this research was Indonesia’s Realistic Mathematics Education approach. The sample of this reasearch were 36 students of the tenth grade of Senior High School No 15 Palembang. The data were obtained from observations, recorded vedeos, photos, students’ sheet activities, and field documentations. The result of this research showed that the learning trajectory could help the students to understand the concept of permutations study. By using role playing activity, the students have determined the administrative committee of chairman and vice-chairman election of Intra School Students Organization from 2, 3, 4, and 5 candidates, which will enable them to choose the number of formed groups arrangement, and to help them in understanding the concept of permutaions from that election.
Pemodelan Matematika Untuk Belajar Aljabar
Diah Dwi Santri;
Yusuf Hartono;
Somakim Somakim
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 6 No 3 (2018)
Publisher : Universitas Sarjanawiyata Tamansiswa
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DOI: 10.30738/union.v6i3.2201
Penelitian ini menghasilkan sebuah lintasan belajar menggunakan pemodelan matematika yang dapat membantu siswa memahami konsep aljabar. Oleh karena itu, desain reseacrh dipilih sebagai metode penelitian yang dapat memformulasikan dan mengembangkan teori pembelajaran lokal dalam pembelajaran aljabar. Lintasan belajar didesain pada tahap awal dan di coba dengan 34 orang siswa kelas VII SMP N 10 Palembang. Hasil yang didapat pada penelitian ini yaitu lintasan belajar yang terdiri dari 3 aktivitas menggunakan pemodelan matematika, aktivitas 1 memahami bentuk aljabar, aktivitas 2 penjumlahan aljabar dan aktivitas 3 pengurangan aljabar. Dari aktivitas yang dihasilkan dapat disimpulkan bahwa pembelajaran menggunakan pemodelan matematika dapat membantu siswa menyelesaikan masalah dan memahami konsep secara terstruktur menggunakan asumsi dan model yang mereka rancang sendiri sehingga bertahap berkembang ke formal matematika. Â
Pembelajaran Kombinasi Menggunakan Konteks Tim Sepak Takraw
Rarri Bian Ryandi;
Somakim Somakim;
Ely Susanti
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 6 No 2 (2018)
Publisher : Universitas Sarjanawiyata Tamansiswa
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DOI: 10.30738/.v6i2.2203
This study aims to produce a learning trajectory using takraw teams context in helping students to understand the concept of combinations. This research used design research to give in developing local instructional theory in learning combinations. Learning trajectory designed in the early phases and tested on 36 tenth-grade students in SMA N 15 Palembang. This result is a learning trajectory which consists of 3 activities using takraw teams context:1) student do role-play scene of selecting main teams and handshake between players, this supports students to understanding in combinations order doesn’t matter. 2) students analyze the general pattern of combination with the knowledge of students about the factorial. 3) student solve problems related to combination helps students in thinking about how to solve a real-world problem related to combination. From the resulting activity can be concluded that learning to use takraw teams context can help students understand the concept of combinations.
PENGEMBANGAN MEDIA PEMBELAJARAN MATEMATIKA POKOK BAHASAN SEGITIGA MENGGUNAKAN MACROMEDIA FLASH UNTUK SISWA KELAS VII SMP
Meilani Safitri;
Yusuf Hartono;
Somakim Somakim
Jurnal Pendidikan Vol. 14 No. 2 (2013)
Publisher : LPPM Universitas Terbuka
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DOI: 10.33830/jp.v14i2.358.2013
The purpose of the research is to produce media-based math learning macromedia flash on the subject of the triangle in the junior class VII valid and practical for her then experimented to see the potential effects of media-based learning macromedia flash triangle subject to students' understanding of concepts. The method used is the development of research that consists of three phases: analysis, design, and evaluation. Obtained from testing the potential effects of instructional media using macromedia flash to the understanding of the concept of students is 78 in both categories. It can be concluded that the macromedia flash media-based learning subject that researchers develop effective triangle used in the learning of mathematics. Tujuan penelitian adalah menghasilkan media pembelajaran matematika berbasis macromedia flash pada pokok bahasan segitiga di kelas VII SMP yang valid dan praktis untuk kemudian mengujicobakannya guna melihat efek potensial media pembelajaran berbasis macromedia flash pokok bahasan segitiga terhadap pemahaman konsep siswa. Metode penelitian yang digunakan adalah development research yang terdiri dari tiga tahapan yaitu analisis, desain, dan evaluasi. Dari ujicoba diperoleh potensial efek media pembelajaran menggunakan macromedia flash terhadap pemahaman konsep siswa yaitu 78 dalam kategori baik. Sehingga dapat disimpulkan bahwa media pembelajaran berbasis macromedia flash pokok bahasan segitiga yang peneliti kembangkan efektif digunakan pada pembelajaran matematika.
Pengembangan bahan ajar perbandingan berbalik nilai berbasis android untuk pembelajaran SMP kelas VII
Nur Aini;
Somakim Somakim;
Hapizah Hapizah
JP3M (Jurnal Penelitian Pendidikan dan Pengajaran Matematika) Vol 6, No 2 (2020)
Publisher : Program Studi Pendidikan Matematika, FKIP, Universitas Siliwangi, Tasikmalaya
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DOI: 10.37058/jp3m.v6i2.1720
ABSTRAK Penelitian ini dilatarbelakangi karena belum tersedianya bahan ajar berbasis android pada mata pelajaran matematika khususnya untuk materi perbandingan berbalik nilai. Oleh karena itu dilakukan penelitian pengembangan bahan ajar berbasis android yang bertujuan untuk menghasilkan bahan ajar materi perbandingan berbalik nilai berbasis android yang valid dan praktis. Penelitian ini adalah penelitian pengembangan menggunakan model pengembangan ADDIE . Data penelitian ini diperoleh melalui hasil walktrough, lembar angket, dan observasi. Hasil dari penelitian ini menunjukkan bahwa validasi bahan ajar perbandingan berbalik nilai berbasis android yang dilihat dari aspek isi, konstruk, dan bahasa yang dinilai dari hasil validasi ahli materi dan ahli media serta komentar siswa pada saat uji coba perorangan. Sedangkan kepraktisan bahan ajar perbandingan berbalik nilai berbasis android terlihat dari hasil lembar penilaian angket dan observasi pada tahap uji coba kelompok kecil. Dari hasil penilaian angket dan observasi diperoleh perhitungan nilai sebesar 82,17 % berkategori praktis dan 89,17% berkategori sangat praktis. Kesimpulan dari penelitian ini adalah bahan ajar perbandingan berbalik nilai berbasis android telah valid dan praktis. Kata Kunci: Pengembangan; Bahan Ajar; ADDIE THE DEVELOPMENT OF ANDROID BASED INSTRUMENTS ON THE MATERIAL OF REVERSE VALUATION FOR 7TH GRADE ABSTRACT The research is facing a background because there is not a more-based teaching material available in mathematical subjects especially for materials of comparative value. And so it is done to rsearch the development of lame-based teaching materials aimed at producing materials that actually contras valid and practical android value. This research is development research using ADDIE development models. These research data are obtained walkthrough, routing sheets, and observations. The results of this study show that the validation of materials rebased android contrasts is seen in content, constructive, andlanguage aspects assessed by both material and media experts validation and student comments during individual trials. The bare-based comparison of value-based values can be seen from the result of the top-rated assessment sheet and the observation at the trial stage of a small group. Based on the value assessments and observations, the rating is 82.17% practical valise and 89.17% valegori are extremely practical. The conclusion of this research is that the reverent-based android ratio is valid and practical. Keywords : Development; Teaching Materials; ADDIE
MATEMATIKA DALAM BUDAYA PAGARALAM
Chika Rahayu;
Somakim Somakim;
Yusuf Hartono
WACANA AKADEMIKA: Majalah Ilmiah Kependidikan Vol 2 No 1 (2018)
Publisher : Universitas Sarjanawiyata Tamansiswa
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DOI: 10.30738/wa.v2i1.1985
Pagaralam is a major tourist destination in the area of South Sumatera Province, Indonesia. In addition to having a beautiful nature, the air is so cool, there is something very interesting to study the culture. Pagaralam has a culture potenstial based on mathematics. This article contains an overview of the relationship between mathematics and Pagaralam culture, in terms of the time division and division system. The existence of several customs or customs has been carried out continously in the culture of society without realizing it is an idea related to mathematics known as ethnomathematics. Matematics learning in school using cultural contexts can lead to the interest and curiousity of learners to learn math and can help learners to achieve a character education as well as to continue a good culture to the next generation and motivate learners to connect math to the real world.
Pengembangan Lembar Kerja Siswa SMP Berbasis Filsafat Matematika pada Materi Bangun Ruang Kerucut
Muhammad Nabil Arifin;
Dinda Syabillah;
Elfisyah Isnaini Raizon;
Yunita Prasetyawati;
Eka Wahyuni Nur’rohim;
Somakim Somakim;
Meryansumayeka Meryansumayeka;
Zuli Nuraeni
JURNAL PENDIDIKAN MATEMATIKA Vol 5, No 2: November 2021
Publisher : Universitas Islam Sultan Agung
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DOI: 10.30659/kontinu.5.2.129-141
Pentingnya pembelajaran materi kerucut ini dikarenakan banyak benda-benda yang terdapat dalam kehidupan sehari-hari yang berbentuk kerucut. Dalam proses pembelajarannya dibutuhkan LKS sebagai media yang membantu pembelajaran. Sehingga dibutuhkan pemahaman siswa mengenai materi kerucut tersebut. Artikel ini ditulis dengan tujuan untuk menunjukkan proses pengembangan Lembar Kerja Siswa (LKS) matematika dan memahami kualitas LKS yang dihasilkan pada materi bangun ruang kerucut di SMP.Metode pengembangan LKS yaitu pengembangan dengan model tessmer yaitu, perliminary, prototype (self review, expert review, one to one, small group, dan field test). LKS ini juga menggunakan tiga aspek utama filsafat sebagai komponen utama dalam pembagian setiap aktivitas yaitu ontologi, epistimologi, dan aksiologi. Adapun jenis data yang diambil data kualitatif dan kuantitatif. Hasil dari penelitian ini adalah LKS yang valid dan praktis.
KEMAMPUAN PEMECAHAN MASALAH SISWA MELALUI STRATEGI MENEBAK DENGAN CERDAS DAN MENGUJINYA
Azka 'Afifah;
Cecil Hiltrimartin;
Somakim Somakim
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 10, No 3 (2021)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO
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DOI: 10.24127/ajpm.v10i3.3851
This study aims to describe the problem-solving abilities of students after taught intelligent guessing and testing strategy. This study is descriptive research. This study was conducted on students of X MIPA 4 SMA Negeri 1 Pangkalpinang. For further discussion, there were two subjects from student who was in very good category and sufficient category were chosen using purposive sampling technique. The data collected through test, then analyzed according to the four stages of Polya. The result of this study show that student in very good category was able to do four stages of Polya correctly and able to apply the intelligent guessing and testing strategy to solve the problem. Meanwhile, student in sufficient category only able to understanding the problem correctly and still there was something wrong in applying the intelligent guessing and testing strategy.