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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang Journal of Golden Generation Education
Hilwa Salsabila Daulay
Universitas Muslim Nusantara Al-Washliyah
Humanities Education Languange, Linguistic, Communication & Media Mathematics Other

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BENCANA ALAM BANJIR meta barus; Enzela Mutia; Hilwa Salsabila Daulay; Naila Syahira Simatupang; Julaika syifa anindiya  Purba
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 02 (2025): Volume 11 No. 02 Juni 2025 In Order
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i02.6024

Abstract

Floods are a natural process that often occurs in Indonesia. Floods also occur from natural factors and human factors themselves. Floods due to natural factors include high and prolonged rainfall, where the volume of water that overflows exceeds the capacity of rivers and drainage channels. In addition, high sea levels, especially when coinciding with storms or large waves, can cause tidal flooding in coastal areas. Rapid snowmelt in mountainous areas can also significantly increase river discharge, while volcanic eruptions can trigger destructive cold lava floods. On the other hand, human factors, namely illegal logging, which reduces the soil's ability to absorb rainwater, are one of the main causes. Indiscriminate waste disposal, which clogs water channels and rivers, also contributes to flooding. Changes in land use, such as the development of settlements in water catchment areas, reduce nature's ability to control water flow. Finally, inappropriate infrastructure development, such as poor drainage systems or inadequate embankments, can increase vulnerability to flooding. Floods can also cause economic losses, have a negative impact on the environment and human activities, and cause loss of life. In addition, there are also factors for Drainage Problems, the lack of water catchment areas due to the increasing number of housing or tall buildings that can cause the water to not be absorbed by trees or soil.
PEMECAHAN MASALAH GEOMETRI NON-RUTIN: STUDI KUALITATIF TENTANG STRATEGI DAN HAMBATAN SISWA SD Hilwa Salsabila Daulay; Safrida Napitupulu; Umar Darwis; Putri Juwita; Lia Afriyanti Nasution
Journal of Golden Generation Education Vol. 2 No. 1 (2026): Februari : Journal of Golden Generation Education
Publisher : PT. LEMBAGA PENERBIT PENELITIAN NUSANTARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65244/jgge.v2i1.533

Abstract

Pembelajaran geometri di sekolah dasar masih didominasi oleh pendekatan prosedural yang berorientasi pada penggunaan rumus secara mekanis. Kondisi ini berdampak pada rendahnya fleksibilitas berpikir siswa ketika menghadapi masalah geometri nonrutin yang menuntut penalaran tingkat tinggi. Penelitian ini bertujuan untuk mendeskripsikan strategi pemecahan masalah serta mengidentifikasi hambatan kognitif siswa sekolah dasar dalam menyelesaikan soal geometri non-rutin. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan melibatkan 10 siswa kelas V sekolah dasar yang dipilih secara purposive sampling. Data diperoleh melalui tes geometri non-rutin, wawancara berbasis tugas, dan dokumentasi lembar kerja siswa. Analisis data dilakukan melalui tahap reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa strategi visual-representatif dan strategi mencoba-coba (trial and error) merupakan strategi yang paling dominan digunakan siswa. Hambatan yang ditemukan meliputi miskonsepsi atribut, miskonsepsi spasial, serta ketergantungan pada hafalan rumus tanpa pemahaman konseptual. Mayoritas siswa masih berada pada Level 0 (Visualisasi) dan Level 1 (Analisis) berdasarkan teori perkembangan berpikir geometri Pierre van Hiele. Penelitian ini menegaskan pentingnya integrasi masalah non-rutin secara sistematis dalam pembelajaran geometri untuk mengembangkan kemampuan berpikir tingkat tinggi dan literasi numerasi siswa.
Co-Authors Enzela Mutia Jihan Yetama Dewi, Safrida Napitupulu Julaika syifa anindiya  Purba Lia Afriyanti Nasution meta barus Naila Syahira Simatupang Putri Juwita