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All Journal Jurnal Ilmu Pendidikan JURNAL PENGABDIAN KEPADA MASYARAKAT Pendas : Jurnah Ilmiah Pendidikan Dasar JMM (Jurnal Masyarakat Mandiri) International Journal on Emerging Mathematics Education JURNAL TARBIYAH Beta: Jurnal Tadris Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education JOURNAL OF SCIENCE AND SOCIAL RESEARCH M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Mudir : Jurnal Manajemen Pendidikan Jurnal Pemberdayaan Masyarakat Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Mandalika Mathematics and Educations Journal International Journal of Educational Research and Social Sciences (IJERSC) Journal of English Language and Education SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Indonesian Journal of Multidisciplinary Science Jurnal Kajian Ilmu Pendidikan (JKIP) Jurnal MathEducation Nusantara Journal of Comprehensive Science Al Khawarizmi: Jurnal Pendidikan Matematika Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Journal of Student Research Science and Education Journal Rekognisi : Jurnal Pendidikan dan Kependidikan Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa Jurnal Ilmiah Matematika (JIMAT) PESHUM
Prihatin Ningsih Sagala
Pendidikan Matematika, Universitas Negeri Medan
Religion Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Penerapan Model Problem Based Learning Berbantuan Media Geogebra Untuk Meningkatkan Kemampuan Berpikir Kreatif Matematis Siswa di MTs Citra Abdi Negoro Yuki Indayanti; Prihatin Ningsih Sagala
Journal of Student Research Vol 1 No 3 (2023): Mei: Journal of Student Research
Publisher : Sekolah Tinggi Ilmu Ekonomi Trianandra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jsr.v1i3.1245

Abstract

This study aims to find out how to improve students' mathematical creative thinking skills after using the Problem Based Learning model assisted by Geogebra media and to find out how students' answers process in solving problems on the mathematical creative thinking ability test after applying the Problem Based Learning model assisted by Geogebra media. This type of research is Classroom Action Research (PTK) which was conducted in two cycles, the subjects in the study were class IX-3 MTs Citra Abdi Negoro, totaling 27 students. This research is said to be successful if it meets the indicators of success, namely, (1) The level of students' mathematical creative thinking ability increases with a value of ≥ 85% at least in the medium category, (2) The process of completing student answers with a value of ≥60% at least in the good category, (3) The results student and teacher observations show a good category. Based on the results of the study, the average initial ability test score of 58.10 increased to 61.34 in cycle I and 80.55 in cycle II. There was also an increase in classical completeness, in the creative thinking ability test of 8 students (29.63%) in the initial ability test increased to 12 students (44.44%) in cycle I and 25 students (92.59%) in cycle II. For the process of student answers from cycle I with an average presentation of 50 students' answer processes, 31% increased to 70.67% in cycle II. Based on the results of the study it can be concluded that the Problem Based Learning model assisted by Geogebra media can improve students' creative thinking skills.
DEVELOPMENT OF INTERACTIVE E-MODULES USING FLIP PDF PROFESSIONAL BASED ON A CONTEXTUAL APPROACH TO BUILDING FLAT SIDE SPACE MATERIALS Wando Satria Parapat; Prihatin Ningsih Sagala
Indonesian Journal of Multidisciplinary Science Vol. 1 No. 8 (2022): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2235.446 KB) | DOI: 10.55324/ijoms.v1i8.151

Abstract

The development of this learning media is carried out to produce contextual-based interactive e-modules with the help of a professional flip pdf application that meets the valid, practical, and effective categories. So that it is useful for students in improving understanding of the flat-sided geometry material, especially the cube and beam submaterial. The research instruments used were lesson plans, material validation sheets and e-module media, pretest and posttest, as well as student and teacher response questionnaires. After all instruments, lesson plans, and e-modules are in the valid category, then they are tested in small groups and in the field. The results showed that: (1) the E-Module was in the valid category in terms of material and media, namely (92.70% and 90.97%) with a very feasible category; (2) the E-Module has met the practical value of the responses of students and teachers, namely (87.05% and 87.5%) in the very practical category; (3) The E-Modul meets the criteria of being effective with the completeness of student learning outcomes reaching 90% of students who get a score of 75 and the achievement of each indicator/learning objective that exceeds 75% of the total students. Based on the analysis of the research results, the N-Gain was 0.72, so it was included in the high category providing the effectiveness of student learning outcomes.
MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS MELALUI PENDEKATAN MATEMATIKA REALISTIK DENGAN MODEL KOOPERATIF TIPE STAD Prihatin Ningsih Sagala; Yunita Eunike Maduma
REKOGNISI : Jurnal Pendidikan dan Kependidikan Vol 2 No 2 (2017)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Universitas Nahdlatul Ulama Sumatera Utara

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

Abstract

This study aims to determine whether through the application of a realistic mathematical approach with cooperative learning model of Student Teams Archievement Division type (STAD) can improve students’ mathematical problem solving skill on algebraic operation material on the eighth class of SMP Negeri 37 Medan. The type of this study is a Classroom Action Research (PTK). The subject in this research is thirty six students of VIII-5 class of SMP Negeri 37 Medan and the object of this research is the students’ mathematical problem solving skill on algebraic operation material in VIII-5 class of SMP Negeri 37 Medan academic year 2017/2018. This study is a classroom action research (PTK) consisting of two cycles, each consisting of two meetings. Before giving an action, a diagnostic test is given first and each end of cycle is given a problem-solving test. From the results of data analysis of diagnostic tests obtained by the number of students who achieve mastery learning from diagnostic tests that is eighteen from thirty six students or 50% with the average class 57.85. The result of data analysis on the first cycle after applying realistic mathematics approach with STAD type cooperative learning model shows that the number of students who reach the completeness of learning is twenty four from thirty six students or 66.67% with the average class 69.31. The result of the final data analysis of the second cycle with the same learning obtained by the number of students reached the learning completeness that is thirty one from thirty six students or 86.11% with the average class 77.92. It means that there is an improvement in the students’ problem solving skill from the first cycle to the second cycle. Based on the classical learning completeness criteria, this learning has reached the target of learning completeness. Thus it can be concluded that the application of realistic mathematical approach with STAD type cooperative learning model in the eighth grade of SMP Negeri 37 Medan can improve students’ mathematical problem solving skills.
PENERAPAN MODEL PEMBELAJARAN BERBASIS MASALAH UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA Prihatin Ningsih Sagala
REKOGNISI : Jurnal Pendidikan dan Kependidikan Vol 3 No 1 (2018)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Universitas Nahdlatul Ulama Sumatera Utara

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

Abstract

The aim of this study were to improve the students’ mathematics creative thinking ability by appliying mathematic problem-based learning model on three variables linear equation system subject in X IPA 2 SMA Negeri 3 Pematangsiantar. The type of this research was a classroom action research. The subject of this study was the students of X IPA 2 SMA Negeri 3 Pematangsiantar that amounts of 30 students. The object of this study was the students’ mathematics creative thinking ability by appliying problem based learning model. This research was done in two cycles. Based on data analysis, the first cycle provided that 13 students (43,33%) from 30 students already achieved the success criteria (≥70). After the second action, it obtained that 23 students (76.67%) from 30 students already achieved the success criteria. Occur a rising classical completeness percentage in amount of 33,34%. Based on the classical criteria, this percentage already fulfilled. Based on the result of this research, it can be concluded that has occurred a rising of mathematics creative thinking ability in X IPA 2 SMA Negeri 3 Pematangsiantar so the applying of the problem-based learning could be used as one of the learning alternative to increase the mathematics creaitve thinking ability.
Pengembangan Media Pembelajaran Berbasis Aplikasi Lectora Inspire untuk Meningkatkan Pemahaman Matematis dalam Penerapan Problem Based Learning Ribka Sonya Rajagukguk; Prihatin Ningsih Sagala
Journal on Education Vol 6 No 2 (2024): Journal on Education: Volume 6 Nomor 2 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v6i2.5139

Abstract

Researchers created a learning medium based on the Lectora Inspire Application based on the findings of a requirements analysis throughout the learning process. The goal of this study is to make this product more legitimate, practical, and useful in boosting students' mathematical comprehension. The ADDIE (Analyze, create, Development, Implementation, and Evaluation) development paradigm was used by researchers to create this study and development. This study included 30 students from class XI Science 1 SMA Negeri 1 Simanindo. According to the research findings, the produced Lectora Inspire Application-based learning media has a high degree of validity, with an average percentage of 87.08% according to material experts and 89.61 according to media experts. Positive reactions from instructors and students were also discovered during small group and large group trials, with an average score of 92% from teachers, 94.6% from small groups, and 90.2% from big groups. This demonstrates that this medium is quite useful in the learning process. Aside from that, the outcomes of applying this interactive learning media demonstrate its efficacy. The completion rate of classical learning was 86.67%, and the efficacy questionnaire received an average percentage of 93.44%. The development in pupils' mathematical comprehension might be classified as modest. Based on the findings of this study, it is possible to conclude that the Lectora Inspire application-based learning media produced satisfied the requirements of being valid, practical, and successful in boosting students' mathematical comprehension.
Pengembangan Media Pembelajaran Matematika Menggunakan Aplikasi Smartapps Creator 3 Untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa Kelas VIII SMP Negeri 1 Percut Sei Tuan Nurul Khairiyah, Rasyiqah; Ningsih Sagala, Prihatin
Science and Education Journal (SICEDU) Vol. 2 No. 3 (2023): Science and Education Journal 2023
Publisher : Faculty Of Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/sicedu.v2i3.145

Abstract

Penelitian ini bertujuan untuk memperoleh media pembelajaran matematika yang valid, praktis, dan efektif dan dapat meningkatkan kemampuan pemecahan masalah matematis siswa. Jenis penelitian yang dilakukan adalah penelitian pengembangan menggunakan model ADDIE dimana model ini meliputi tahap analysis (analisis), design (desain), development (pengembangan), implementation (implementasi) dan evaluation (evaluasi). Sampel dari penelitian adalah 32 orang siswa kelas VIII SMP Negeri 1 Percut Sei Tuan. Instrumen yang digunakan dalam penelitan adalah angket validasi media dan materi, angket respon siswa, tes kemampuan awal pemecahan masalah matematis (pretest) dan tes kemampuan akhir pemecahan masalah matematis(posttest). Hasil dari penelitian menunjukkan bahwa media pembelajaran yang dikembangkan telah valid dengan rincian nilai rata-rata validasi media 4,63 dengan kategori sangat layak dan validasi materi dengan rata-rata nilai 4,69 dengan kategori sangat layak. Sementara nilai rata-rata kepraktisan media adalah 3,80 dengan kategori sangat praktis Aplikasi pembelajaran matematika pada materi bangun ruang sisi datar kubus dan balok yang dikembangkan sudah efektif karena telah memenuhi kriteria keefektifan yakni : (a) Tercapainya ketuntasan indikator/tujuan pembelajaran peserta didik dimana sebanyak 83,87% siswa dinyatakan tuntas dan mencapai nilai diatas kriteria ketuntasan minimum yakni 75; (b) Waktu yang digunakan tidak melebihi waktu yang pembelajaran biasa/efisien; dan (c) Respon siswa 95,05% positif.
Animated Mathematics Learning Media on guru.tesonlineku.com using Plotagon Story and Lectora Inspire Sagala, Prihatin Ningsih; Septiana, Dian; Widyastuti, Eri
Jurnal Ilmu Pendidikan Vol 30, No 1 (2024): June
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um048v30i1p29-39

Abstract

This research aims to develop animated story-learning media that helps students improve their understanding of mathematical concepts. This research uses the ADDIE development (R and D) method, which consists of analysis, design, development, implementation, and evaluation stages. The sample research subjects consisted of 6 experts, two material, media, and language validator experts each, one teacher, 5 and 147 class VII students who assessed the practicality and effectiveness of the product being developed. Data was collected through expert validation, interviews with teachers, teacher and student response tests, and tests on students. At the same time, the N-Gain test was used to evaluate media effectiveness. Expert validation results show that the criteria are very valid, with an average score of 89 percent. The teacher and student response test showed an average score of 86 percent, which shows that the animated story media is practically used for mathematics learning. The N-Gain test of 67 percent shows that students' ability to understand mathematical concepts is increasing. Therefore, using animated stories to develop skills in understanding mathematical concepts is feasible, practical, and effective
Development Of Test Instruments To Measure High Order Thinking Skill (Hots) Mathematics Of Students In MTs 2 State Of Medan City: Pengembangan Instrumen Tes Untuk Mengukur High Order Thinking Skill (HOTS) Matematis Siswa Mtsn 2 Kota Medan Siagian, Qania Agustika; Sagala, Prihatin Ningsih
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 6 No. 2 (2021): Mathline
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v6i2.222

Abstract

The test instrument given by the teacher to students has not required students to think at a high level in mathematics, the important thing is that students must be familiar with questions that require High Order Thinking Skill (HOTS) to compete with other countries which can be seen in the TIMSS and PISA scores. The purpose of this study was to determine the students' high-order mathematical thinking skills, as well as to determine the validity, reliability, difficulty level, and differentiating power of the High Order Thinking Skill (HOTS) oriented test instrument. This developmental research uses the ADDIE type.. There were 57 students who were used as subjects in this study. The results showed that 15 questions that were considered successful and valid were developed, this is the average score of the test instrument assessment by experts of 91% and the validity of each test item is declared "valid" because tcount ≥ ttable. The reliability of the test instrument for each package of questions was rated as reliable in the high category. In the analysis of the level of difficulty, it appears that the results are in the easy and medium categories. In the analysis of discriminatory power, it appears that the results are quite good and good. The average results of students' high-order mathematical thinking skills are insufficient category.
Pengembangan Media Pembelajaran Berbasis Website untuk Meningkatkan Kemampuan Literasi Matematika Peserta Didik Anhar, Harry Al-Haridzi; Sagala, Prihatin Ningsih
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2025): Sains Matematika dan Pendidikan Matematika
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v8i1.5292

Abstract

Riset ini diselenggarakan sebab dari hasil obervasi yang dilakukan dengan mewawancarai guru dan beberapa peserta didik di SMA Negeri 1 Bukit, didapat informasi bahwa kemampuan literasi matematika peserta didik rendah, kurangnya media yang digunakan dalam pembelajaran serta proses pembelajaran yang masih berpusat pada guru. Tujuan penelitian ini adalah untuk menghasilkan media pembelajaran berbasis website yang dapat meningkatkan literasi matematika peserta didik yang valid, praktis dan efektif. Penelitian ini adalah penelitian R&D dengan menggunakan model ADDIE. Penelitian dilakukan di SMA Negeri 1 Bukit dengan subjek penelitian yaitu peserta didik kelas XI-2 sebanyak 36 orang. Intrumen yang digunakan ialah lembar validasi, angket respon, wawancara dan juga tes literasi matematika. Teknik pengumpulan data yang dipakai peneliti adalah observasi, wawancara, angket dan tes. Teknik analisa data yang direalisasikan adalah analisis data kevalidan, kepraktisan dan keefektifan. Pada analisis data kevalidan, website yang dikembangkan disebut valid jika perolehan angket validator mendapatkan skor minimal 61%. Pada analisis data kepraktisan, Website yang dikembangkan dapat dikatakan praktis apabila skor perolehan dari angket respon guru mencapai minimal 61%-80%. Keefektifan produk dapat diketahui berdasarkan hasil tes ketuntasan belajar peserta didik atau KKM. KKM mata pelajaran matematika wajib yaitu 75. Indikator keefektifan Website adalah ≥75% nilai peserta didik harus berada diatas KKM. Selain itu, indikator keefektifan didapatkan melalui respon positif murid dan adanya peningkatan kemampuan literasi matematika yang dilihat melalui uji N-Gain. Adapun hasil penelitian berdasarkan kevalidan diperoleh persentase sebesar 78,88% oleh ahli media dan 79,58% oleh ahli materi. Untuk kepraktisan diperoleh persentase sebesar 74% melalui angket guru dan 78,4% melalui angket peserta didik. Dan untuk keefektifan diperoleh ketuntasan klasikal sebesar 80,55%. Sehingga media pembelajaran berbasis website untuk meningkatkan literasi matematika peserta didik telah valid, praktis dan efektif.
PENGEMBANGAN E-MODUL MATEMATIKA BERBASIS PENDEKATAN KONTEKSTUAL DENGAN MENGGUNAKAN BOOK CREATOR UNTUK MENINGKATKAN MINAT DAN HASIL BELAJAR SISWA Valentino, Gembira J; Sagala, Prihatin Ningsih
Jurnal MathEducation Nusantara Vol 8, No 1 (2025): January 2025
Publisher : Universitas Muslim Nusantara Al Washliyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/jmn.v8i1.361

Abstract

Penelitian ini dilakukan untuk mengembangkan e-modul matematika berbasis pendekatan kontekstual dengan menggunakan Book Creator yang valid, praktis, dan efektif. Sehingga e-modul ini berguna untuk meningkatkan minat dan hasil belajar siswa. Prosedur dalam penelitian ini merujuk pada model pengembangan ADDIE (Analysis, Design, Development, Implementation, dan Evaluation). Instrumen yang dipakai dalam penelitian ini adalah lembar validasi materi, lembar validasi media, lembar validasi RPP, angket respon siswa dan guru, soal tes, serta RPP untuk mendukung proses uji coba. Subjek untuk uji coba e-modul matematika ini adalah kelas VII di SMP Gajah Mada Medan yang berjumlah 25 orang. Hasil penelitian menunjukkan bahwa: (1) E-modul matematika dinyatakan valid dilihat dari segi materi dan media (96,8% dan 96,6%) dengan kategori sangat layak; (2) E-modul matematika telah memenuhi kriteria kepraktisan dilihat dari hasil angket respon guru dan siswa (95% dan 89,2%) dengan kategori sangat praktis; (3) E-modul matematika dinyatakan efektif dilihat dari sebanyak 87,5% siswa menyatakan berminat mengikuti pembelajaran menggunakan e-modul dan sebanyak 87,5% siswa telah memenuhi syarat ketuntasan hasil belajar. Berdasarkan analisis dalam penelitian, diperoleh n-gain sebesar 0,83 sehingga e-modul matematika dalam kategori sangat efektif dalam meningkatkan minat dan hasil belajar siswa.
Co-Authors Afta Geosasmita Saragih Aini Wardana Anhar, Harry Al-Haridzi Arnita Piliang Aulia Saputra, Yoga Aulia, Melati Apri Ayu Lestari, Julisa Aziza Fauzia Nurhaliza Aziza Fauzia Nurhaliza Berutu, Jhosua Bintang Pratiwi, Bintang Debora Sinaga, Debora Dhuha, Nadira Kaylana Dian Septiana DIdi Febrian Eka Finanti Simamora Eri Widyastuti Fadilla, Nia Imel Simanungkalit Lubis, Nazwa Indri Lukitaningsih Manullang, Juliana Citra Manurung, Hendra Cahyadi Marbun, Marthin Marlina Sinaga Marpaung, Faridawaty Masita, Nurul Mhd Yusuf Nasution Munthe, Tiolina Maria Nainggolan, Gustia Louisa Nasution, Nadrah Afiati Novita Sari Maria Nurcahaya Br Zandroto Nurul Khairiyah, Rasyiqah Nurul Maulida Surbakti Paskalina Sinulingga Pristi Suhendro L Pristi Suhendro Lukiyoto Putri Andini, Putri Putri Br Tarigan Qania Agustika Siagian Ramadhani, Fanny Rambe, Rukiyah Br Rania Andini, Cut Ribka Sonya Rajagukguk Rival Ananda Gisty Ruth Sahanaya Manik Saing, Nasib Maruli Tua Samosir, Martha Indah Sari Nababan, Natasya Saron Silaban, Gebriel Siagian, Qania Agustika Sibarani, Khoirunnisa Sihotang, Harry Marcel Wahyu Silalahi, Lisbeth Grace Luciana Simanjuntak, Rosi Ade Putri Sinaga, Sinta Marintan Sinurat, Putra Paulus Siregar, Dea Athalia Siti Khafifah F Sitindaon, David Sitorus, Grace Elicia Sitorus, Tabhita Yolanda Sovarina Yasarifa Pohan Suhendro L, Pristi Sulaiman, Raysah Puteri Tanjung, July Yanty Tarigan, Septi Agita Turnip, Leonardo Valentino, Gembira J Wando Satria Parapat Waniza, Elva Yuki Indayanti Yuki Indayanti Yunita Eunike Maduma