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All Journal Jurnal Pengabdian Nasional (JPN) Indonesia Media Pendidikan Matematika
Ngizatul Afifah
Universitas Jember
Computer Science & IT Education Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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Aktivasi MPCK Guru Matematika dalam Pembelajaran Geometri: Studi Komparatif pada Guru yang Telah dan Belum Mengikuti PPG Muhamad Badrul Mutammam; Evi Novita Wulandari; Frenza Fairuz Firmansyah; Ngizatul Afifah; Shima Kunaza Fazira; Arin Berliana Angrenani
Media Pendidikan Matematika Vol. 14 No. 1 (2026): J-MPM
Publisher : Program Studi Pendidikan Matematika, FSTT, Universitas Pendidikan Mandalika

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Abstract

This study aims to describe and compare the activation of mathematics teachers' Mathematics Pedagogical Content Knowledge (MPCK) in geometry instruction in two observed cases: one teacher who had participated in the Professional Teacher Education Program (PPG) and one teacher who had not participated in PPG. This study used a comparative qualitative case study design involving two junior high school mathematics teachers with more than ten years of teaching experience. Both teachers taught the same topic, namely cubes in flat-sided solid geometry, in two different Grade 8 classes with 36 students in each class. Data were collected through video-based classroom observations, analysis of lesson plans and students' worksheets, and semi-structured interviews. The video data were transcribed, segmented into instructional episodes, coded using MPCK indicators, and triangulated with document and interview data. The findings show that the teacher who had participated in PPG displayed more varied MPCK activation, particularly in the use of concrete and visual representations, mathematical communication, classroom discussion, formative responses, and responses to students' misconceptions about edges, faces, cube nets, and surface area. In the observed cases, participation in PPG may be associated with more varied MPCK activation; however, this relationship cannot be interpreted causally because the study involved only two teachers in a limited context. The findings also indicate that Mathematical Content Knowledge (MCK) functions as an important foundation for MPCK, but MPCK becomes visible when content knowledge is transformed into representations, guiding questions, discussion, and formative feedback that support students' conceptual understanding
Pengenalan Profesi atau Cita-Cita Oleh Siswa/Siswi Kelas IV dan VI di SDN Jatisari Egita Maya Rohimah; Li' izzah Diyanita Manzil; Revita Putri Ma'rifah; Amrina Rosyadah; Nur Anisa; Nendy Velcita Ayu Ramadhani; Isvi Unaizahroya; Ngizatul Afifah; Agung Nugroho Puspito
Jurnal Pengabdian Nasional (JPN) Indonesia Vol. 7 No. 1 (2026): Januari
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Indonesia Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63447/jpni.v7i1.1680

Abstract

This community service activity aims to improve professional understanding and learning motivation of elementary school students through an inspirational classroom program with the theme ”Introduction to Professions and Aspirations.“ This program was implemented at SDN Jatisari, Wringin District, Bondowoso Regency, on September 4, 2025, teaching 45 fourth and sixth grade students. The method used was an active learning approach through lectures, interactive activities, inspirational video screenings, and career introductions. The evaluation of this activity used a pre-test design, participatory observation, and student assessment. The results showed an increase in the average understanding of students from 40% in the pre-test to 92% in the post-test. The goal was to create a fun learning atmosphere and encourage active student participation. From this community service activity, students became more enthusiastic about asking questions and connecting their aspirations with their daily learning activities. Additionally, teachers at SDN Jatisari, Wringin District, Bondowoso Regency stated that this program had a positive impact on students' enthusiasm for learning and character development, particularly in boosting their confidence and awareness of the benefits of learning. The program also strengthened the relationship between universities and elementary schools in building an inspiring and meaningful educational environment. Inspirational classes can serve as a model for contextual learning in supporting character building and early career planning.
Co-Authors Agung Nugroho Puspito Amrina Rosyadah Arin Berliana Angrenani Egita Maya Rohimah Evi Novita Wulandari Frenza Fairuz Firmansyah Isvi Unaizahroya Li' izzah Diyanita Manzil Muhamad Badrul Mutammam Nendy Velcita Ayu Ramadhani Nur Anisa Revita Putri Ma'rifah Shima Kunaza Fazira