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All Journal International Journal of Electrical and Computer Engineering AKSIOMA JURNAL PENDIDIKAN MATEMATIKA Jurnal Elemen Jurnal Terapan Abdimas Jurnal Gantang Al-Jabar : Jurnal Pendidikan Matematika MATAPPA: Jurnal Pengabdian Kepada Masyarakat Teorema: Teori dan Riset Matematika Prima: Jurnal Pendidikan Matematika Lentera Sriwijaya : Jurnal Ilmiah Pendidikan Matematika Jurnal Berdaya Mandiri Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Jumat Pendidikan: Jurnal Pengabdian Masyarakat
Kurniadi, Elika
Program Studi Pendidikan Matematika, Universitas Sriwijaya
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Transisi Kemampuan Berpikir Aritmatika ke Kemampuan Berpikir Aljabar pada Pembelajaran Matematika Pratiwi, Weni Dwi; Kurniadi, Elika
Jurnal Gantang Vol 3 No 1 (2018): Pembelajaran dan Media Pembelajaran Matematika yang Inovatif
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.012 KB) | DOI: 10.31629/jg.v3i1.388

Abstract

Studi terdahulu menunjukkan bahwa peran aljabar pada pembelajaran saat ini terfokus pada banyak perspektif sehingga pembelajaran aljabar tradisional membutuhkan pembaharuan yang fundamental dan juga perubahan cara berpikir. Pembelajaran aljabar saat ini harus dapat difokuskan kepada penguasaan dan pengaplikasian aljabar di berbagai konteks dalam kehidupan sehari-hari. Studi dilakukan dengan tujuan untuk mendapatkan gambaran tentang adanya transisi kemampuan berpikir dari aritmatika ke aljabar. Jenis penelitian ini adalah deskriptif kualitatif. Hasil penelitian menunjukkan bahwa indikator transisi kemampuan berpikir aritmatika ke kemampuan berpikir aljabar sudah dapat tercapai dengan baik, hanya saja siswa masih melakukan kekeliruan pada saat mengerjakan operasi bilangan negatif karena siswa sulit membedakan antara tanda bilangan dan juga tanda operasi yang terlibat dalam operasi tersebut. Hal ini harusnya dapat diantisipasi mengingat hal tersebut sangat diperlukan dalam pemahaman aljabar tingkat lanjut Kata kunci: kemampuan berpikir aritmatika, kemampuan berpikir aljabar
Kompetensi Mahasiswa dalam Mata Kuliah Pemodelan Matematika Berbasis Pengembangan Soal Kurniadi, Elika; Darmawijoyo, Darmawijoyo; Scristia, Scristia; Astuti, Puji
Jurnal Elemen Vol 5, No 1 (2019): Jurnal Elemen
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.682 KB) | DOI: 10.29408/jel.v5i1.1018

Abstract

This study aims to generate a clear and comprehensive description of the students’ competence in the mathematical modeling courses after the lecturers are based on the design task. The students’ competence that will be measured in this research is the competence in constructing mathematical modeling that has been made. In this paper, we will deeply discuss for the competence in constructing mathematical modeling task and validating it. The method used is descriptive qualitative and the subject of this study were 23 students of the 2017/2018 academic year who took mathematics modeling courses. This research starts from the planning stage, namely the analysis of the study of mathematical modeling material, design and validation of research instruments. Furthermore, the implementation phase is taking observation data, interviews and field notes during lectures based on problem development. The last stage of the research is data analysis. The data collection techniques in this study were in the form of observations, interviews, and field notes. The results of this study were obtained descriptions of student competencies in constructing mathematical modeling problems and found misunderstanding of students in interpreting assumptions and variables in mathematical modeling.
Pendampingan Guru Matematika Sekolah Menengah dalam Pembuktian Matematika Hartono, Yusuf; Darmawijoyo, Darmawijoyo; Somakim, Somakim; Puspita, Fitri Maya; Sari, Novita; Simarmata, Ruth Helen; Kurniadi, Elika
MATAPPA: Jurnal Pengabdian Kepada Masyarakat Volume 4 Nomor 1 Tahun 2021
Publisher : STKIP Andi Matappa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31100/matappa.v4i1.943

Abstract

Tujuan kegiatan pengabdian ini adalah untuk mendampingi guru dalam melakukan pembuktian matematika. Metode pelaksanaan kegiatan yaitu presentasi dan pendampingan yang terdiri dari tiga tahapan yaitu persiapan, pelaksanaan, dan penyusunan laporan. Pelaksanaan kegiatan dilakukan sebanyak tiga kali pertemuan tatap maya meliputi pemberian materi dari narasumber dan presentasi tugas oleh peserta. Data yang diperoleh dari kegiatan ini adalah berupa persepsi guru terhadap bukti matematika, pendapat peserta terhadap kegiatan, dan dokumentasi tugas peserta yang dianalisis secara deskriptif kuantitatif. Hasil yang diperoleh yaitu persepsi guru tentang bukti matematika meningkat, pendapat peserta terhadap kegiatan ini sangat baik, dan meningkatnya kemampuan guru dalam pembuktian matematika.
Mixed integer nonlinear programming (MINLP)-based bandwidth utility function on internet pricing scheme with monitoring and marginal cost Robinson Sitepu; Fitri Maya Puspita; Elika Kurniadi; Yunita Yunita; Shintya Apriliyani
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 2: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (475.864 KB) | DOI: 10.11591/ijece.v9i2.pp1240-1248

Abstract

The development of the internet in this era of globalization has increased fast. The need for internet becomes unlimited. Utility functions as one of measurements in internet usage, were usually associated with a level of satisfaction of users for the use of information services used. There are three internet pricing schemes used, that are flat fee, usage based and two-part tariff schemes by using one of the utility function which is Bandwidth Diminished with Increasing Bandwidth with monitoring cost and marginal cost. Internet pricing scheme will be solved by LINGO 13.0 in form of non-linear optimization problems to get optimal solution. The optimal solution is obtained using the either usage-based pricing scheme model or two-part tariff pricing scheme model for each services offered, if the comparison is with flat-fee pricing scheme. It is the best way for provider to offer network based on usage based scheme. The results show that by applying two part tariff scheme, the providers can maximize its revenue either for homogeneous or heterogeneous consumers.
Kompetensi Mahasiswa dalam Mata Kuliah Pemodelan Matematika Berbasis Pengembangan Soal Elika Kurniadi; Darmawijoyo Darmawijoyo; Scristia Scristia; Puji Astuti
Jurnal Elemen Vol 5, No 1 (2019): January
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v5i1.1018

Abstract

This study aims to generate a clear and comprehensive description of the students’ competence in the mathematical modeling courses after the lecturers are based on the design task. The students’ competence that will be measured in this research is the competence in constructing mathematical modeling that has been made. In this paper, we will deeply discuss for the competence in constructing mathematical modeling task and validating it. The method used is descriptive qualitative and the subject of this study were 23 students of the 2017/2018 academic year who took mathematics modeling courses. This research starts from the planning stage, namely the analysis of the study of mathematical modeling material, design and validation of research instruments. Furthermore, the implementation phase is taking observation data, interviews and field notes during lectures based on problem development. The last stage of the research is data analysis. The data collection techniques in this study were in the form of observations, interviews, and field notes. The results of this study were obtained descriptions of student competencies in constructing mathematical modeling problems and found misunderstanding of students in interpreting assumptions and variables in mathematical modeling.
Cognitive Processes of Using Representational Form in Mathematical Modeling Based on Gender Differences Elika Kurniadi; Novita Sari; Darmawijoyo Darmawijoyo
Jurnal Elemen Vol 7, No 2 (2021): July
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v7i2.3627

Abstract

The process of thinking in formulating a mathematical model requires cognitive processes. In learning mathematics, one of the factors that influence mathematics ability is gender differences.  This research explores and provides an overview of the cognitive processes, especially using the representational form in mathematical modeling regarding gender differences. The type of research used is descriptive exploratory with a qualitative approach. The research subjects were 36 pre-service teachers in the mathematics education study program, consists of 18 males and 18 females. The instruments were a written test and an interview guide sheet. The result shows that males get higher percentages than females to answer the representational problem correctly. In conclusion, both males and females solve the graph problem using representative form through three components of the cognitive process.  The first and second component, namely knowing and applying, shows the same behavior: retrieving the information from the mathematical problem and displaying the information into the graph. For the third component, reasoning also offers the same behavior because the truth of the graph that justifies refers to the mathematical properties. The study implies that it might be the same treatment for males and females to improve representational form regarding the components of cognitive process, namely, knowing, applying, and reasoning.
Pendampingan Penyusunan Bahan Ajar Berbasis Multimedia bagi Kelompok Guru Sekolah Dasar di Desa Petunang Kabupaten Musi Rawas Ely Susanti; Muhammad Yusuf; Jeri Araiku; Scristia Scristia; Elika Kurniadi; Ruth Helen Simarmata
Jurnal Anugerah Vol 2 No 1 (2020): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (899.175 KB) | DOI: 10.31629/anugerah.v2i1.2173

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk melatih guru SD di Desa Petunang, Kabupaten Musi Rawas untuk membuat bahan ajar berbasis multimedia dengan menggunakan aplikasi Microsoft PowerPoint dan Cabri 3D, menghasilkan bahan ajar berbasis multimedia, dan melihat respons peserta terhadap kegiatan pelatihan.Pengabdian ini penting agar guru di setiap daerah mampu untuk menghasilkan bahan ajar berbasis multimedia yang berkualitas dan mendorong perkembangan pembelajaran yang berorientasi pada keterampilan abad 21. Model yang dilakukan dalam kegiatan pengabdian ini adalah model pendampingan dengan metode pembagian alat dan bahan serta metode demonstrasi yang diikuti oleh 9 peserta dari SDN 1 Petunang. Hasil kegiatan menunjukan bahwa kegiatan berlangsung dengan baik serta guru-guru mampu membuat dua buah bahan ajar berbasis multimedia. Respons peserta pelatihan masuk ke dalam kategori memuaskan (3,129 dari 4) dengan rata-rata range kepuasan untukseluruh indikator sebesar 78,24%. Respons tertinggi terdapat pada item respons pelatihan sangat bermanfaat bagi guru yaitu sebesar 97,22%. Namun, respons untuk menggunakan multimedia sebagai bahan ajar cukup kecil dikarenakan keterbatasan fasilitas. Oleh sebab itu, diperlukan kerja sama berbagai pihak agar dapat memperbaiki sarana dan prasana pendukung agar dapat meningkatkan kualitas dan hasil belajar siswa.
Pendampingan Penulisan Artikel pada Jurnal Nasional bagi Guru Matematika: dari Laporan PTK menuju Manuskrip Ely Susanti; Nyimas Aisyah; Cecil Hiltrimartin; Yusuf Hartono; Somakim Somakim; Meryansumayeka Meryansumayeka; Scristia Scristia; Jeri Araiku; Weni Dwi Pratiwi; Elika Kurniadi; Nety Wahyu Saputri
Jurnal Anugerah Vol 2 No 2 (2020): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (818.313 KB) | DOI: 10.31629/anugerah.v2i2.2714

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk mendapingi guru dalam menulis artikel ilmiah berdasarkan penelitian tindakan kelas (PTK) yang mereka lakukan. Peserta yang mendaftar dalam kegiatan ini adalah sebanyak 68 guru matematika SMP dan SMA dari target 40 orang yang tersebar di seluruh Indonesia. Pelaksanaan kegiatan dilakukan secara daring melalui tiga sesi synchronous dan dua kegiatan asynchronous. Pada sesi synchronous dilakukan pelatihan mengenai PTK, tata cara penulisan artikel ilmiah hasil PTK, dan demonstrasi dalam mengunggah artikel ilmiah pada jurnal nasional. Sesi asynchronous dilakukan sebagai wadah pendampingan peserta selama mereka mengerjakan tugas berupa penelitian dan menuliskan artikel ilmiah. Dari hasil pendampingan, diperoleh 7 artikel ilmiah yang dibuat oleh guru dan diuanggah ke salah satu jurnal nasional. Tanggapan peserta masuk ke dalam kategori sangat baik. Hasil refleksi menunjukkan bahwa pemahaman guru terhadap PTK mereka masih perlu ditingkatkan terutama dalam hal menganalisis hasil PTK dan inisiatif dalam melaksanakan PTK. Guru harus memakanai bahwa PTK harus dilakukan secara berkelanjutan, tidak hanya dalam hal kepengurusan kenaikan pangkat.
Pelatihan Perencanaan Pembelajaran Merdeka Belajar di SMP Kelas VII pada Konteks Pencaharian Harta Karun di Sungai Musi Malalina Malalina; Ratu Ilma Indra Putri; Zulkardi Zulkardi; Rita Inderawati; Elika Kurniadi; Lisnani Lisnani; Chika Rahayu; Rini Herlina; Dewi Rawani; Tria Gustiningsi; Artika Sari; Delia Septimiranti
Jumat Pendidikan: Jurnal Pengabdian Masyarakat Vol 2 No 3 (2021): Desember
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat UNWAHA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This activity is carried out to provide understanding to teachers related to independent learning planning. Apart from that, to train teachers in making lesson plans using the context in the surrounding environment. The environmental context can be used for the learning process to understand more real concepts or subject matter. The method used is lecture, question and answer and practice. The result of this service activity is an understanding related to the preparation of independent learning learning plans for middle school teachers in Pagar Alam, South Sumatra using the existing context in the environment. Apart from that, all training participants can show a good response and improve teacher professionalism.
Junior high school students’ abilities in solving the open-ended mathematical problems with the context of Songket motif Jeri Araiku; Elika Kurniadi; Weni Dwi Pratiwi
Jurnal Elemen Vol 8, No 2 (2022): July
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v8i2.5659

Abstract

Many researchers stated that most students struggle to solve higher mathematical problems, including open-ended problems. One of many solutions is to apply a realistic context close to students. Hence, this research aimed to analyze students’ abilities in solving an open-ended mathematical problem using the Songket context, particularly the Kembang Tengah motif. The subjects were 24 seventh graders. The instruments for this descriptive research were an open-ended problem and an interview sheet. The results show that in solving the open-ended problem, 88.33% of students understood the problem, 59.72% were able to construct, and 72.22% applied the plan, while 52.78% wrote the conclusion. No students evaluated their solution to the problem. In implementing open-ended problems in the traditional context, students have different solutions based on their various experiences with the context, problem-solving schema, and mean-putting on the problem. They also applied multiple problem-solving strategies in working the problem. The similarity was the use of assumptions in solving the problem. However, some assumptions were inconsistent, neither their prior work nor other mathematical concepts. Therefore, teachers and researchers need to emphasize students’ written self-evaluation to check and improve their solutions. Another suggestion is to see the metacognitive process in solving the open-ended mathematical problem using a specific tradition. Furthermore, teachers should engage more in using open-ended problems and scaffold students when facing obstacles in solving them.
Co-Authors Allen Marga Retta Anggria Septiani Mulbasari Arika Sari Artika Sari Atikarani Noer Saleha Bernika Indrialis Ifana Budi Mulyono Bunda Harini Bunda Harini Cecil Hiltrimartin Cici Ratnanenci Darmawijoyo, Darmawijoyo Delia Septimiranti Dewi Rawani Ely Susanti Fitri Maya Puspita Hanung Adi Nugroho Hasbi Ramadhan Jeri Araiku Laela Sagita Lisnani Lisnani Meryansumayeka Meryansumayeka Muhammad Yusuf Nabila Putri Isamer Nabilah Hauda Nadiah Setiyowati Nety Wahyu Saputri Novita Sari Novita Sari Nyimas Aisyah Nyimas Aisyah Otniel Otniel Pratiwi, Weni Dwi Puji Astuti Rahayu, Chika Ratu Ilma Indra Putri Rini Herlina Rita Inderawati Robinson Sitepu SATRIYAS ILYAS Scristia, Scristia Shintya Apriliyani Simarmata, Ruth Helen Somakim, Somakim Sukmaningthias, Novika TATI NURHAYATI Tria Gustiningsi Vina Amalia Suganda Vina Amalia Suganda Viona Adelia Yunita Yunita Yusuf Hartono Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi