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All Journal JGK (Jurnal Guru Kita) Journal of General Education Science
Fatma, Rafiah
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Development Of Student-Based Work Sheet Open Ended Problem In Fraction Materials Class III Elementary School Fatma, Rafiah
Journal of General Education Science Vol 1 No 2 (2023) Journal of General Education Science, March
Publisher : Berpusi Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (183.424 KB) | DOI: 10.62966/joges.v1i2.169

Abstract

The background of this research is that students do not think creatively in solving problems that exist in questions and teachers rarely give open questions to students. To develop students' thinking skills, the development of worksheets based on open ended problems is carried out. This study aims to develop Student Worksheets based on open ended problems in class III fraction material at SD Negeri 060849 Medan Barat with valid and practical criteria. This research is a type of research and development (Research and Development) with the ADDIE model. The location of this research was carried out at SD Negeri 060849 Medan Barat. The time of this research was carried out in March 2023 – April 2023. The population in this study were class III students at SD Negeri 060849 Medan Barat. The sample in this study amounted to 27 students. Data collection techniques in this study used a questionnaire. The results showed that the average result of the validation of material experts was 4,8, the average result of media experts was 4,9, and the average result of linguists was 4,9. Based on the results of the average validation from material experts, media experts, and linguists, an average of 4,8 is classified as a valid criterion. The percentage of teacher response questionnaires was 92% (very practical) and student response questionnaires were 85,2 % (very good). Thus, worksheets based on open ended problems in class III fraction material meet valid and practical criteria for use in learning.
Upaya Meningkatkan Kemampuan Berpikir Kritis Siswa dengan Model Pembelajaran Numbered Head Together Pada Pembelajaran Bahasa Indonesia di Kelas IV SDN 066048 Medan Helvetia Sinaga, Eka Margareta; Situmorang, Defensus; Rambe, Wanrimar; Purba, Kevin Parbarita; Sianturi, Pelita Ananda; Fatma, Rafiah; Siahaan, Elisabeth Ulima
JGK (Jurnal Guru Kita) Vol. 9 No. 2: Maret 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jgk.v9i2.64641

Abstract

Penelitian ini bertujuan untuk meningkatkan kemampuan berpikir kritis siswa dalam pembelajaran Bahasa Indonesia melalui penerapan model pembelajaran Numbered Head Together (NHT). Penelitian ini menggunakan metode Penelitian Tindakan Kelas (PTK) yang dilakukan dalam dua siklus, dengan masing-masing siklus terdiri atas tahap perencanaan, tindakan, observasi, dan refleksi. Subjek penelitian adalah siswa kelas IV SDN 066048 Medan Helvetia, yang berjumlah 21 siswa. Teknik pengumpulan data dilakukan melalui observasi, tes, dan dokumentasi, serta hasil data dianalisis secara deskriptif kualitatif dan kuantitatif. Hasil penelitian menunjukkan adanya peningkatan yang signifikan dalam kemampuan berpikir kritis siswa. Pada siklus I, rata-rata nilai siswa sebesar 65 dengan persentase ketuntasan 38%. Setelah dilakukan perbaikan pada siklus II, rata-rata nilai meningkat menjadi 85 dengan persentase ketuntasan 81%. Hasil ini membuktikan bahwa penerapan model pembelajaran Numbered Heads Together efektif dalam meningkatkan kemampuan berpikir kritis siswa. Penerapan Numbered Heads Together juga mendorong siswa untuk lebih aktif, kooperatif, dan mampu bekerja sama dalam pembelajaran Bahasa Indonesia.
Co-Authors Eka Margareta Sinaga Purba, Kevin Parbarita Rambe, Wanrimar Siahaan, Elisabeth Ulima Sianturi, Pelita Ananda Situmorang, Defensus