Mengeksplorasi Kemampuan Siswa Dalam Berpikir Fungsional Melalui Soal Cerita
Abstract
Pergeseran tentang kemampuan siswa dalam memecahkan aritmetika dengan operasi angka ke kemampuan siswa dalam memecahkan aljabar dengan operasi pada bilangan yang tidak diketahui sering mengalami kesulitan. Dengan demikian untuk mengatasi kesulitan siswa tersebut, maka perlu adanya latihan dan rangsangan terhadap kemampuan siswa yaitu salah satunya dengan melatih siswa dalam berpikir fungsional. Berpikir fungsional merupakan hubungan antara dua kuantitas yang digeneralisasikan ke dalam suatu bentuk fungsi. Penelitian ini bertujuan untuk mengeksplorasi kemampuan siswa berpikir fungsional melalui soal cerita. Penelitian ini merupakan penelitian kualitatif yang bersifat deskriptif eksploratif. Subjek penelitian adalah 3 siswa dari 45 siswa Sekolah Menengah Atas (SMA). Instrumen penelitian adalah lembar jawaban siswa dan pedoman wawancara. Hasil penelitian menunjukan bahwa siswa dalam berpikir fungsional melalui 3 tahap yaitu siswa menentukan pola rekursif dengan menggunakan , siswa menentukan hubungan korespondensi yaitu menentukan perubangan nilai antara variabel bebas dengan variabel terikat, dan siswa menentukan korespondesi dengan menggunakan rumus barisan aritmatika Dengan demikian dapat disimpulkan bahwa soal cerita yang diberikan dapat mengeksplorasi siswa dalam berpikir fungsional.
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References
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