PROSES MATEMATIS SISWA DALAM MENYELESAIKAN MASALAH KONSEP PERBANDINGAN SENILAI BERBASIS OPEN-ENDED PADA KONTEKS POPULER
DOI:
https://doi.org/10.26618/a3qt2r71Keywords:
Konteks Populer, Masalah Open-ended, Proses Matematis, TikTokAbstract
Penelitian ini bertujuan menjelaskan proses matematis siswa secara siklik dalam menyelesaikan masalah konsep perbandingan senilai berbasis open-ended pada konteks populer TikTok. Metode kualitatif deskriptif digunakan pada penelitian ini dengan mengambil 143 subjek, yang kemudian secara purposive dipilih 77 lembar kerja yang mampu menyelesaikan masalah dan dibagi menjadi 8 kelompok proses. Data dikumpulkan melalui tes dan wawancara diagnostik yang dianalisis menggunakan teknik flow model dengan memperhatikan tahapan mathematical modelling. Hasil penelitian menunjukkan ragam proses matematis siswa dalam menemukan solusi. Subjek memahami situasi nyata (real situation) untuk menentukan frame yang cocok dengan ukuran gambar. Berdasarkan informasi tersebut, subjek membangun asumsi dalam bentuk representasi verbal, numerik, simbol, dan visual (real world model). Representasi tersebut diasosiasikan dan dioperasikan mengikuti prinsip dan konsep matematika (perbandingan rasio, perbandingan skala sisi, perkalian silang, perkalian dengan skala, kelipatan, dan pola pengurangan berulang) (mathematical model) untuk menghasilkan solusi (mathematical result). Solusi yang diperoleh direfleksikan kembali ke real situation dengan memutuskan frame yang berbanding senilai dengan ukuran gambar. Konteks populer TikTok pada penelitian ini berhasil menjadi daya tarik budaya digital yang mengaktifkan keterampilan berpikir siswa serta menstimulasi tanggapan kreatif dalam pemecahan masalah.
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