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All Journal Jurnal Educhild : Pendidikan dan Sosial ELEMENTARY SCHOOL JOURNAL PGSD FIP UNIMED Jurnal DIDIKA: Wahana Ilmiah Pendidikan Dasar Scholaria: Jurnal Pendidikan dan Kebudayaan TRIHAYU: Jurnal Pendidikan Ke-SD-an Pendas : Jurnah Ilmiah Pendidikan Dasar Journal on Education Unnes Journal of Mathematics Education Research Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Kesehatan Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal Masyarakat Madani Indonesia International Journal of Integrative Sciences Jurnal Pengabdian Ibnu Sina Jurnal Pengabdian Masyarakat Bangsa JANACITTA: Journal of Primary and Children's Education Indonesian Journal of Community Empowerment (IJCE) Journal of Multidisciplinary Science: MIKAILALSYS Perwira Journal of Community Development (PJCD) Tradition and Modernity of Humanity Jurnal Bakti Humaniora Ngudi Waluyo Empowerment : Jurnal Pengabdian Kepada Masyarakat Proceeding International Collaborative Conference on Multidisciplinary Science
Zulmi Roestika Rini
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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PENGARUH MODEL PEMBELAJARAN CONECTING, ORGANIZING, REFLECTING, EKTENDING (CORE) TERHADAP KEMAMPUAN PENALARAN MATEMATIS DENGAN MENGGUNAKAN MEDIA KOMUSIGA Elmin Astuti Waruwu; Zulmi Roestika Rini
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomor 03, September 2026 Posted
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.63537

Abstract

This study aimed to examine the implementation of the Connecting, Organizing, Reflecting, Extending (CORE) learning model assisted by KOMUSIGA media, to identify students' mathematical reasoning ability before and after the learning process, and to analyze the effect of the CORE learning model assisted by KOMUSIGA media on the mathematical reasoning ability of third-grade students at SD Negeri Harjosari 02. This research employed a quantitative approach using a quasi-experimental method with a Nonequivalent Control Group Design. The sample consisted of 50 students, including 25 students in the experimental class and 25 students in the control class. Data were collected through a mathematical reasoning test and a student response questionnaire. The data were analyzed using the normality test, homogeneity test, and Independent Samples t-test with IBM SPSS Statistics version 26. The findings revealed that the implementation of the CORE learning model assisted by KOMUSIGA media received a very positive response from students, as indicated by a questionnaire score of 92% in the experimental class, while the control class achieved 68%. The prerequisite tests confirmed that the data were normally distributed and homogeneous. Furthermore, the Independent Samples t-test yielded a significance value (Sig. 2-tailed) of 0.012 (<0.05), indicating a significant difference between the experimental and control groups. These findings demonstrate that the CORE learning model assisted by KOMUSIGA media has a significant positive effect on students' mathematical reasoning ability. Therefore, the CORE learning model assisted by KOMUSIGA media can be recommended as an alternative instructional approach to improve elementary school students' mathematical reasoning ability, particularly in learning plane geometry.
The Effect of the Group Investigation Learning Model Assisted by Viaran on the Mathematical Reasoning Ability of Third-Grade Elementary School Students Siti Hidayatun Ni&#039;mah; Zulmi Roestika Rini
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 3 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i3.11674

Abstract

Mathematical reasoning is a fundamental competency in elementary mathematics education because it enables students to understand concepts, construct logical arguments, formulate problem-solving strategies, and draw appropriate conclusions. However, preliminary observations indicate that third-grade students’ mathematical reasoning ability remains relatively low, partly because classroom instruction is dominated by teacher explanations and provides limited opportunities for students to investigate and construct their own understanding. This study aims to examine the effect of the Group Investigation (GI) learning model assisted by Viaran on the mathematical reasoning ability of third-grade elementary school students. A quantitative approach with a quasi-experimental method and a nonequivalent control group design was employed. The participants comprised 62 third-grade students, with 31 students from SD Negeri Klepu 01 assigned to the experimental group and 31 students from SD Negeri Klepu 02 to the control group. Data were collected through mathematical reasoning tests, questionnaires, observations, and documentation and analyzed using descriptive statistics, normality and homogeneity tests, an independent-samples t-test, and simple linear regression. The findings revealed a significant difference in mathematical reasoning ability between the experimental and control groups. The experimental group achieved a higher posttest mean score of 90.19 than the control group, which obtained a mean score of 75.68, with a significance value of p < .001. Regression analysis further demonstrated a significant effect of the Viaran-assisted Group Investigation model on students’ mathematical reasoning ability, with an R² value of .822, indicating that the model explained 82.2% of the variance in mathematical reasoning scores. These findings demonstrate that integrating Group Investigation with Viaran can foster a more active, collaborative, and meaningful mathematics learning environment while strengthening students’ mathematical reasoning. This study contributes empirical evidence supporting the integration of investigation-based learning and interactive instructional media as alternative strategies for developing higher-order mathematical thinking in elementary education.
Training on the Use of Augmented Reality (AR) Media to Improve Mathematics Learning Zulmi Roestika Rini; Anni Malihatul Hawa; Iwan Setyawan Wibisono
Ngudi Waluyo Empowerment: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2026): Ngudi Waluyo Empowerment: Jurnal Pengabdian Kepada Masyarakat
Publisher : Fakultas Komputer dan Pendidikan Universitas Ngudi Waluyo

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

Abstract

The development of educational technology requires teachers to be able to integrate innovative learning media into the learning process, especially in mathematics subjects that contain many abstract concepts. One technology that has the potential to support mathematics learning is Augmented Reality (AR). This study aims to determine the effectiveness of training on the use of AR media in improving the competence of mathematics teachers at MA Al-Bidayah. This study used a quasi-experimental approach with a one-group pretest–posttest design. The subjects were mathematics teachers at MA Al-Bidayah who participated in training on the use of AR media. Data collection techniques were carried out through pretest and posttest tests, teacher response questionnaires, and observations. Quantitative data were analyzed using paired sample t-tests, while qualitative data were analyzed descriptively. The results of the study showed a significant increase in teacher competence after the training, with an average pretest score of 55.5 increasing to 82.5 in the posttest. In addition, the questionnaire results showed that the majority of teachers gave a positive response to the use of AR media in mathematics learning. Teachers assessed that AR media was able to facilitate the delivery of material, increase student learning interest, and create more interactive learning. Based on these results, it can be concluded that training in the use of AR media is effective in improving teacher competence and has the potential to improve the quality of mathematics teaching in Islamic high schools.
PKM PENINGKATAN KUALITAS HIDUP LANSIA DESA PAYUNGAN ika silfiana arifatul khoiriyah; Zulmi Roestika Rini; Lisa Virdinarti Putra; Guntur Ratih Prestifa; Suwali Suwali
Perwira Journal of Community Development Vol 1 No 1 (2021)
Publisher : Unperba Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54199/pjcd.v1i1.144

Abstract

Abstrak: Wabah virus corona atau Covid-19 tanggal 11 Februari 2020 telah menyebar ke 76 negara termasuk Indonesia. Sebanyak 3.125 orang di seluruh dunia meninggal akibat virus corona yang telah menginfeksi 90.930 orang. Risiko tertinggi dialami oleh lansia yang berusia di atas 80 tahun dengan angka kematian 21,9% dibandingkan pasien corona dari kategori usia lainnya. Oleh karena itu, perlu adanya penanganan khusus terhadap kualitas hidup lansia. Mitra yang terlibat dalam pengabdian ini adalah mitra masyarakat umum Desa Payungan Kecamatan Kaliwungu Kabupaten Semarang yang diwakili oleh Ketua PKK Desa Payungan. Mitra berharap permasalahan kualitas lansia dapat teratasi dengan baik, sehingga menjadi lansia yang produktif, aktif, sehat, dan terlindungi. Kegiatan ini diharapkan dapat memberikan pelatihan dan pendampingan kepada masyarakat Desa Payungan untuk mengoptimalkan upaya PAPA SEHAT: Pemberdayaan Lansia Produktif, Aktif, Sehat, Tangguh, dan Terlindungi (Program Peningkatan Kualitas Hidup Lansia Desa Payungan). PAPA SEHAT dapat membantu mengatasi masalah kualitas hidup lansia. Pelaksanaan PkM memanfaatkan PAPA SEHAT untuk meningkatkan kualitas hidup lansia yang produktif, aktif, sehat, tangguh, dan terlindungi bagi lansia. tangguh, dan terlindungi (90%), menerapkan PAPA SEHAT untuk meningkatkan kualitas hidup lansia yang produktif, aktif, sehat, ulet, dan terlindungi, serta menggunakan PAPA SEHAT untuk meningkatkan kualitas hidup lansia yang produktif , aktif, sehat, ulet, dan terlindungi 77%).
Co-Authors Abdul Rahman Adella Rosalyta Agung Wibowo Aisyatul Ummah Alya Giri Salsabila Ambarwati, Sari Anggraeni, Deputri Rizky Anni Malihatul Hawa Anni Malihatul Hawa Aryudya Pradhita Sihsejati Azidah, Mahfudotul Catur Singgih Destiar Putri Wulandhari, Ellysa Diah Ayu Paramita Ela Suryani Ella Suryani Elmin Astuti Waruwu Esa Cintya Fidini Febriyana, Evi Kartika Fiki Wijayanti Fitra, Epe Agung Pribadi Guntur Ratih Prestifa Hawa, Anni Malihatul Hesti Yunitiara Hesti Yunitiara Rizqi Hidayah, Nikmatun Himmah Taulany Iffah Zahrotul Khasanah Ika Silfiana Arifatul Kh Ika Silfiana Arifatul Khoiriyah Indah Rahmayanti Isti Hidayah ISTI KOMAH Iwan Setiawan Wibisono Iwan Setyawan Wibisono Joyo Minardo Kartika Yuni Purwanti Kartono , Khaerunisah, Eka Endang Khasanah, Nurul Uswatun Lailasari, Afifah Nur Lestari, Ester Lisa Virdinarti Putra Nanda Yohana Natalia Devi Oktarina Nesya Nabila Az Zahra Nico Irawan Nurfitriyani Kartika Dewi Putri, Ananda Astantia Sukma Ratih Laily Nurjanah Reza Frastica Dewi Salma Natha Erlinda Siti Hidayatun Ni&#039;mah Sri Mujiono Sri Mujiyono Suamanda Ika Novichasari Suhirno Suhirno Suwali Swantika Ilham Prahesti Tri Sundari Lia Oktaviani Veronica Septian Vikar Waruwu Yoannes Romando Sipayung