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All Journal JURNAL PENDIDIKAN TAMBUSAI International Journal of Contemporary Studies in Education
Toruan, Christin Natalia Lumban
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Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Upaya Perbaikan Pembelajaran Matematika Materi KPK dan FPB melalui Metode Demonstrasi di Kelas IV SD Swasta Taman Asuhan Kecamatan Siantar Barat Tahun Pembelajaran 2024/2025 Pasaribu, Agnes Gracella; Silaen, Lasma; Pasaribu, Elfrida Mariani; Siahaan, Rosa Manisha; Toruan, Christin Natalia Lumban
Jurnal Pendidikan Tambusai Vol. 9 No. 1 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v9i1.24923

Abstract

Metode Demonstrasi dilakukan berdasarkan penelitian, pengamatan yang dilakukan peneliti untuk mengetahui sejauh mana hasil penelitian ini terlaksana dalam upaya perbaikan pembelajaran matematika materi KPK dan FPB kelas IV di SD Swasta Taman Asuhan. Adapun dilakukan penelitian ini melihat banyaknya siswa yang tidak tertarik dengan mata pelajaran matematika, sehingga nilai mereka menurun. Subjek Perbaikan Pembelajaran adalah siswa kelas IV. Waktu perbaikan pembelajaran dan pengamatan dilaksanakan bulan Oktober 2024 dilaksanakan dari tahap persiapan sampai pelaksanaan tindakan. Penulis memperlakukan perbaikan pembelajaran sebanyak 2 (dua) siklus yang mana terdiri dari 4 tahap yaitu tahap rencana, pelaksana, pengamatan, dan refleksi. Pada tahap pra siklus masih banyak kekurangan, melihat kenyataan ini penulis melakukan perbaikan melalui siklus 1. Pada tahap ini siswa juga kurang aktif dan kurang efisien dalam proses pembelajaran, sehingga penulis melakukan perbaikan kembali dengan melakukan siklus II dengan menggunakan metode demonstrasi dengan tambahan media yang menarik dan hasilnya maksimal. Untuk itu, perbaikan pembelajaran berakhir di siklus II.
The Effectiveness of Problem-Based Learning in Improving Fourth-Grade Students’ Creative Thinking in Science Toruan, Christin Natalia Lumban; Thesalonika, Emelda; Purba, Natalina
International Journal of Contemporary Studies in Education Vol. 5 No. 1 (2026)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/ijcse.v5i1.1720

Abstract

Purpose – This study aims to examine the effect of the Problem-Based Learning (PBL) model on the creative thinking skills of fourth-grade students in Natural and Social Sciences (IPAS) at SD Negeri 091608 Sinaksak. The research was motivated by students’ low creative thinking ability due to teacher-centered instruction and limited active participation. Methodology – A pre-experimental design using a one-group pretest–posttest approach was employed. The sample consisted of 23 fourth-grade students (12 boys and 11 girls). Data were collected through pretest and posttest instruments measuring creative thinking skills. Instrument validity and reliability were tested, and data were analyzed using the N-Gain test to determine the level of improvement after the PBL intervention. Findings – The results indicate a significant improvement in students’ creative thinking skills following the implementation of PBL. The average score increased from 50.22 (pretest) to 83.86 (posttest). Initially, most students did not achieve mastery, whereas after the intervention almost all students met the learning criteria. N-Gain scores ranged from 0.56 to 1.00, indicating moderate to high improvement. These findings suggest that PBL effectively enhances creative thinking in IPAS learning. Novelty – This study provides empirical evidence of the effectiveness of PBL in improving elementary students’ creative thinking skills within the integrated IPAS subject context. Significance – The findings benefit teachers, school administrators, and curriculum developers seeking effective student-centered learning strategies to foster creativity in primary education.
Co-Authors Natalina Purba Pasaribu, Agnes Gracella Pasaribu, Elfrida Mariani Siahaan, Rosa Manisha Silaen, Lasma Thesalonika, Emelda