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Dian Armanto

Universitas Negeri Medan

Author-ID : 2786856

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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HOTS Test Development Based on Realistic Mathematics Learning For Grade V Elementary School Amanda, Nova Listia; Armanto, Dian; Rajaguguk, Waminton
Jurnal Perspektif Vol 9 No 1 (2025): Jurnal Perspektif
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/jp.v9i1.328

Penelitian ini bertujuan untuk: menganalisis tingkat validitas tes HOTS berbasis pembelajaran matematika realistik pada topik bangun ruang; menganalisis tingkat praktikalitas tes HOTS berbasis pembelajaran matematika realistik yang dikembangkan; menganalisis keefektifan tes HOTS berbasis pembelajaran matematika realistik; dan mengetahui respon siswa terhadap tes HOTS berbasis pembelajaran matematika realistik yang dikembangkan. Jenis penelitian yang digunakan adalah penelitian pengembangan model Borg and Gall. Penelitian dilaksanakan di SDN 064987 Medan pada tahun Pelajaran 2021/2022 dengan subjek penelitian siswa kelas V berjumlah 30; Hasil penelitian diperoleh bahwa;Â kemampuan tes HOTS berbasis pembelajaran matematika realistik dalam meningkatkan kemampuan matematika siswa telah memenuhi kriteria valid; tes kemampuan HOTS berbasis pembelajaran matematika realistis dalam meningkatkan hasil belajar matematika siswa telah memenuhi kriteria praktis; tes kemampuan HOTS berbasis pembelajaran matematika realistis dalam meningkatkan hasil belajar matematika siswa telah memenuhi kriteria efektif; dan respon siswa terhadap tes kemampuan HOTS berbasis pembelajaran matematika realistis dalam meningkatkan hasil belajar matematika siswa telah memenuhi kriteria yang diperoleh rata-rata di atas 80% pada uji coba I dan uji coba II.

Validitas Media Interaktif Berbasis Model PBL Menggunakan Aplikasi Geogebra Untuk Meningkatkan Kemampuan Literasi Numerasi Amri, Khairul; Dian Armanto; Edy Surya
Mandalika Mathematics and Educations Journal Vol 7 No 2 (2025): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i2.9080

Penelitian ini bertujuan mengembangkan media interaktif berbasis model pembelajaran PBL (Problem Based Learning) menggunakan aplikasi Geogebra pada materi bangun datar untuk meningkatkan kemampuan literasi numerasi siswa kelas V sekolah dasar yang valid. Penelitian ini adalah penelitian dan pengembangan dengan model ADDIE (Analyze, Design, Development, Implementation dan Evaluation). Subjek dalam penelitian ini adalah siswa kelas V UPT SPF SDN 101990 Bangun Purba. Analisis data dilakukan dengan deskriptif kuantitatif fan kualitatif mengenai kevalidan media interaktif yang diperoleh dari lembar validasi oleh para ahli. Hasil penelitian menunjukkan bahwa media interaktif berbasis model PBL menggunakan aplikasi Geogebra untuk meningkatkan kemampuan literasi numerasi yang dikembangkan adalah media interaktif yang valid dengan skor validasi yakni (1) ahli bahasa sebesar 84% dengan kriteria valid, (2) ahli materi sebesar 82% dengan kriteria valid dan (3) ahli media sebesar 83% dengan kriteria valid. Dengan demikian, dapat dikatakan bahwa media interaktif berbasis model PBL menggunakan aplikasi Geogebra valid untuk meningkatkan kemampuan literasi numerasi berdasarkan hasil skor validasi yang diberikan oleh para ahli.

Factors Affecting Mathematical Creative Thinking Ability: A Systematic Review and Multidimensional Perspective Br Ginting, Siti Salamah; Armanto, Dian; Amry, Zul; Dewi, Izwita; Napitupulu, Elvis
JURNAL EKSAKTA PENDIDIKAN (JEP) Vol 9 No 1 (2025): JEP (Jurnal Eksakta Pendidikan)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jep/vol9-iss1/949

The ability to think creatively mathematically, defined as the capacity to generate novel, diverse, and valuable mathematical ideas or solutions to problems with fluency, flexibility, originality, and elaboration, is a crucial skill in facing the challenges of the 21st century. However, a comprehensive understanding of the influencing factors is still limited. This systematic review aims to integrate and synthesize current research on factors influencing mathematical creative thinking abilities from a multidimensional perspective. A systematic search method was conducted on the Scopus database for studies published between 2019 and 2024. The results show the complexity of interactions between cognitive (thinking style, analogical reasoning, computational thinking), affective (self-efficacy, attitudes towards mathematics, self-regulated learning), and contextual (learning approaches, technology integration, background) factors from the 31 articles analyzed. cultural background) in influencing mathematical creativity. The analysis also revealed differences in influencing factors between levels of education from junior high school to college. These results stress how important it is to look at math creativity as a whole. They also have important implications for how math is taught and for future research, such as the need for longitudinal studies and the creation of integrative theoretical models

KEPEMIMPINAN KEPALA SEKOLAH PEREMPUAN DI SEKOLAH DASAR Pratiwi, Siti Habsari; Pratama, Anggili; Armanto, Dian; Yus, Anita
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol. 13 No. 2 (2023): SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v13i2.46293

This study aims to determine the leadership style of the principal of a female elementary school at Public Elementary School 1 Paya Bujok Tunong, Langsa City, Aceh. This research was conducted using phenomenological and qualitative methods. The result of this study is that female elementary school principals have the ability to improve the quality of education significantly. Principals of female primary schools usually focus on teacher morale, mastery of technical skills, and high responsibility for the school organization. Women also have a good sense of control because they are detailed. The success of a woman as a leader is influenced by several factors. Dominant factors that influence women`s leadership, namely: mother (mother), seductress (attention sucker), pet (beloved child), and iron maiden (strong woman).

KEPEMIMPINAN TRANSPERSONAL KEPALA SEKOLAH DI PENDIDIKAN DASAR Rola, Fasti; Rambe, Titin Rahmayanti; Armanto, Dian; Yus, Anita
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol. 13 No. 3 (2023): SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v13i3.54165

The quality of education in elementary schools must be well maintained so that the next generation of a nation with character is formed. One of the factors that greatly influences the quality of education in elementary schools is good leadership. The principal as the main leader in elementary schools has a very important role in managing the school and leading all members of the school. In the last few decades, transformational leadership theory has become one of the most influential leadership models in education. The transformational approach to leadership has long been considered a productive approach. Transpersonal leadership offers a more humanistic and values-centered approach to addressing the complex challenges faced by today's organizations and societies).

Pengembangan E-Modul Menggunakan Flipbook Berbasis Creative Problem Solving Untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa Dian Armanto; Vian Anotona Giawa
Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam Vol. 2 No. 3 (2024): September : Jurnal Matematika dan Ilmu Pengetahuan Alam
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/konstanta.v2i3.4019

Mathematics is a universal science that underlies the development of modern technology, plays an important role in various scientific disciplines, and human thinking abilities. The view that mathematics is a science that trains thinking. The Creative Problem Solving learning model is a learning model that focuses on teaching and Problem Solving skills. Digital teaching materials are use digital devices, such as computers, smartphones. The aim of this research is to see the validity, practicality and effectiveness of the e-module being developed. This teaching material development model uses the ADDIE model. This research was carried out at SMP Negeri 21 Medan which is located on Jl. Rampe Raya flower. The time for the panel research is the even semester of the 2023/2024 academic year. The subjects of this research were class VII students at SMP Negeri 21 Medan. Meanwhile, the object of this research is learning media in the form of e-modules using flipbooks based on Creative Problem Solving. The e-module was declared very valid with a score of 3.56 and was categorized as very feasible. The e-module was declared practical with a percentage of 92.67% and was categorized as very practical. The e-module was declared effective by achieving Problem Solving indicators in indicators 1, 2, 3 and 4 with 65% of students completing the learning. The achievement of classical student indicators has met 65% of students who took part in learning with a score of 75. And there was a significant increase in indicators 1, 2, 3, and 4.

Pengaruh Model Pembelajaran Berpikir Induktif Berbantuan GeoGebra Terhadap Kemampuan Pemecahan Masalah Matematis Rusmini, Rusmini; Hasratuddin, Hasratuddin; Sinaga, Bornok; Armanto, Dian; Mukhtar, Mukhtar
Ideguru: Jurnal Karya Ilmiah Guru Vol 9 No 3 (2024): Edisi September 2024
Publisher : Dinas Pendidikan, Pemuda dan Olahraga Daerah Istimewa Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51169/ideguru.v9i3.1085

The inductive thinking learning model is a learning model based on processing information, with this model students are required to actively learn independently, discover concepts and ideas, and develop critical thinking skills which ultimately influence problem solving. This research aims to determine the effect of the inductive thinking learning model on the mathematical problem solving abilities of PAB Medan Estate Private Vocational School students. This research was carried out in March – May 2024. The research population for all 10th graders was 40 people. The sample was taken by purpose sampling as many as 40 people. This research is quantitative research, the method used in this research is pre-experimental design in the form of one group pretest and posttest. Before being given treatment, a diagnostic test is first carried out to determine the student's metacognitive ability to see how much their metacognition fails in solving statistical problems. Further grouped into high, medium and low metacognitive failure. After being given treatment, namely the inductive thinking learning model assisted by GeoGebra, a posttest was given with the same questions as the pretest in the form of questions describing statistical material. The research results show a significant influence of the GeoGebra-assisted inductive thinking learning model on students' mathematical problem solving abilities.

Kemampuan literasi matematis dan keterampilan sosial melalui model project based learning Maysarah, Siti; Saragih, Sahat; Armanto, Dian; Siregar, Hasratuddin
Delta-Pi: Jurnal Matematika dan Pendidikan Matematika Vol 13, No 1 (2024)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/dpi.v13i1.7076

Kemampuan literasi matematis merupakan kemampuan matematis yang sangat penting untuk dikuasai oleh siswa. Literasi matematis dapat diartikan sebagai pengetahuan untuk mengetahui dan menerapkan matematika dasar dalam kehidupan sehari-hari. Literasi matematis meliputi kemampuan seseorang untuk merumuskan, menerapkan, dan menafsirkan matematika dalam berbagai konteks, termasuk kemampuan melakukan penalaran secara matematis dan menggunakan konsep, prosedur, dan fakta untuk menggambarkan, menjelaskan, atau memperkirakan fenomena atau kejadian. Â Selain itu, keterampilan sosial juga merupakan hal yang penting dikuasai oleh siswa dalam pembelajaran matematika. Dengan adanya keterampilan sosial, siswa dapat dengan mudah berinteraksi dengan orang lain. Sehingga diharapkan dapat dengan mudah dalam menyelesaikan permasalahan matematika. Salah satu model pembelajaran yang dapat meningkatkan keterampilan sosial adalah model project based learning. Model ini memudahkan siswa untuk saling berinteraksi dalam pengerjaan proyek. Penelitian ini bertujuan untuk melihat bagaimana kemampuan literasi matematis dan keterampilan sosial melalui model project based learning. Jenis penelitian ini adalah kualitatif dengan metode penelitian studi pustaka (library research). Teknik pengumpulan data dilakukan dengan cara mencari sumber seperti buku, jurnal, dan hasil-hasil penelitian yang telah ada.Â Hasil dalam penelitian ini adalah model project based learning dapat meningkatkan kemampuan literasi matematis dan keterampilan sosial siswa.

DEVELOPMENT OF TEACHER HANDBOOKS AND REALISTIC MATHEMATICS STUDENTS BASIC SCHOOLS Armanto, Dian; Surya, Edy; Mailani, Elvi
Journal of Community Research and Service Vol. 3 No. 2: July 2019
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v3i2.15954

The research aims to develop teacher and student handbooks for realistic mathematics lessons for elementary schools. The development of this handbook is based on the reality in the field where the handbook of teachers and students especially the subjects using the 2013 curriculum still do not exist, and in daily learning activities teachers and students still use books that use themes. This research uses development research (Developmental Research). The subjects of this study were grade V students of SD Negeri 163085, H.A Bilal Tebingtinggi City and SD Negeri 106162, Medan Estate District, Deliserdang Regency. In the initial stage, observations were made during the learning process at the two schools and continued with interviews with students and teachers. From the results of these observations and interviews a primary school realistic mathematics teacher and student handbook was prepared. Furthermore, the realistic elementary school mathematics teacher and student handbook is validated by a team that aims to see and assess the quality of the realistic elementary school teacher and student mathematics handbook in order to arrange an effective handbook that will be used by teachers and students in learning. The validation results show that realistic mathematics teacher and student handbooks are developed in both categories and can be used in teaching and learning. The media book test was conducted on grade V students of SD Negeri 163085 Tebingtinggi city and SD Negeri 106162 Medan Estate Deliserdang Regency. The trial results show that the elementary school teacher and student mathematics handbook is effective and can help facilitate understanding of mathematical concepts at the elementary school level. This can be seen from the number of students who can reach the KKM from the two schools is increasing. For SD Negeri 163085 HA Bilal, Tebingtinggi City, if at the time of the pre-test only 1 student (3%) was able to reach the KKM, then after being given the learning process using a teacher and student handbook developed the number of students who could reach the KKM increased to 24 students (82.7%) while those under the KKM were only (17.3%) or 5 students. The same thing was seen in SD Negeri 106162, Medanestate Subdistrict, Deliserdang Regency. If at the time of the Pre-test only 2 students (6.6%) had scored above the KKM, after the post-test there was an increase in students who achieved the KKM score of 25 students (83.3%). An increase of 76.7% when compared to the pre test. Keywords: Handbook, teacher, student, PMR

Learning Design Assistance Based on Hots Numeracy Literacy for Junior High School Teachers in Medan City Armanto, Dian; Gultom, Rahmad H
Journal of Community Research and Service Vol. 8 No. 1: January 2024
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jcrs.v8i1.57605

Strengthening literacy, numeracy and character skills is an important effort to improve the quality of human resources in the Digital Age and the Era of Disruption. As a teacher or education personnel, developing students' activeness so that they can apply numeracy skills well is a big responsibility. The numeracy skills in question are number concepts and arithmetic operation skills used for daily life skills. This service activity aims to provide numeracy literacy-based learning process assistance to junior high school teachers in Medan City to improve the ability of teachers to create Numeracy Literacy HOTS questions. This activity is carried out in several stages, namely the team preparation stage, school observation, making modules/materials to be delivered to mentoring activities. In delivering the material, the community service team used various methods, questions and answers, discussions, lectures and assignments. All of these methods are used as needed. The result of the activity is that teachers can develop HOTS-based questions in groups according to their respective subjects. The group was chosen in order to provide a positive stimulus to teachers who do not know and understand the preparation of HOTS-based questions on Numeracy Literacy to be encouraged to be able to compile independently and apply in preparing evaluation questions to students.

Co-Authors Abdi Sugiarto Abil Mansyur, Abil Addiestya Rosa Hutasuhut Ade Irwansah Nasution Agung Bakri Sihombing Agung Wibowo Al Hilal Hamdi Rambe Aman Simaremare Amanda, Nova Listia Amdani Manalu Amry, Zul Anggili Pratama Anggun Arditha Anim Anim Anita Yus Anita Yus Anita Yus, Anita Ardila, Ivo Ariqah, Lulu Luqyana Asmin Asmin Asmin Asmin Asmin Asmin, Asmin Astuti - Bina, Nuraini Sri Bornok Sinaga Bukhori, Bukhori DEDE RUSLAN Demmina Ginting Dewi Wahyuni Edi Suprayetno Edi Surya Edi Surya, Edi Edy Surya Edy Surya Elfira Rahmadani Elfitra Elfitra ELVI MAILANI ELVI MAILANI Elvis Napitupulu, Elvis Ely Syafitri Erlinawaty Simanjuntak Fadila Khairunisa Fasti Rola Giawa, Freddy Gultom, Rahmad H Hanna Putri Syahkira Hartono Hartono Hasibuan, Eka Khairani Hasibuan, Subriadi Hasratuddin Hasratuddin Hasratuddin Hasratuddin Hasratuddin Siregar Hasratuddin Siregar Helina Qatrunnada Nasution Heru Setiawan Girsang Ibnatun Salis Ida Karnasih Imelda L. Ritonga Izwita Dewi Jesica Dhea Chyntia Khairida Matondang Khairin Nazmi AR Khairul Amri Khalida Rahmah Kurniawan Sinaga Lilea Calin Br Tarigan Lintang, Luthfiah Lita Datita Saragih Luthfiah Lintang M Yus Efendi, M Yus Mara Bangun Harahap Mara Bangun Harahap Marzuki Marzuki Maulana Arafat Lubis Maya Alemina Ketaren Mazaly, Muhammad Rizky Meutiara Sari, Debby Monica Dina Rosari Sihite Muhammad Arif Hidayat Mukhtar Mukhtar Muktar, Muktar Mulyono Mulyono Nabila Nasution Naeklan Simbolon Nanda Ayu Setiawati Nashran Azizan Natasya Sihombing Nazwa Mutia Syafitri Nilam Sari Nupus, Nurhayatun Panjaitan, Marojahan Pardomuan Sitompul pargaulian siagian siagian Putri Mas Intan Silalahi Rahmad Husein Rahmadany, Savitri Rahmi Hayati Rahmi Ramadhani Raisyah Aulia Nabila Lubis Rajaguguk, Waminton Ramadhani, Nadya Rani Handayani Sihombing Renata Siburian Rusmini Rusmini Rustam A. Effendi Safrida Lubis Sahat Saragih Sahat Saragih Setiawati, Nanda Ayu Shofyani Salasa Silvi, Meutia Simamora, Elmanani Siregar, Jodi Mahmud Siswahyudianto Siti Habsari Pratiwi, Siti Siti Maysarah Siti Maysarah Siti Salamah Br Ginting Suci Frisnoiry Sudianto Pasaribu Sugianto . Sugianto Sugianto Sugiarto, Abdi Syahputra, Fikry Prastya Syeila Fatiha Titim Eliawati Tiur Malasari Siregar Ummu Habibah Hadi Kesuma Vian Anotona Giawa Wildansyah Lubis Yeanny Suryadi Yessi Kartika Yulita Molliq Rangkuti Zenfitri R. Situmorang Zuhra Munifah Harahap Zuraini Zuraini

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