Pembelajaran Reciprocal Teaching dalam Peningkatan Komunikasi Matematis Siswa
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Abstract
Melaksanakan pembelajaran dengan strategi reciprocal teaching merupakan salah satu alternatif untuk meningkatkan kemampuan komunikasi matematis siswa. Penelitian ini merupakan penelitian tindakan kelas (PTK) dan dibagi menjadi dua siklus, yaitu Siklus I yang terdiri dari tiga sesi pertemuan di kelas, dan Siklus II yang terdiri dari dua sesi pertemuan di kelas. Hasil penelitian ini menunjukkan adanya peningkatan kemampuan komunikasi matematis pada materi program linier yang dibuktikan dengan peningkatan nilai rata-rata dan ketuntasan klasikal. Jumlah siswa Kelas X Farmasi adalah 24 orang. Pada saat pretest didapatkan nilai rata-rata kelas siswa adalah 70,9 kemudian pada siklus yang pertama nilai rata-rata kelasnya meningkat menjadi 81,9 dan kemudian pada siklus yang kedua nilai rata-rata kelas meningkat lagi menjadi 87. Dengan demikian jika dilihat dari presentase ketuntasan, maka pada saat pretest sebesar 50% artinya siswa yang tuntas sebanyak 12 siswa dan tidak tuntas tesnya sebanyak 12 siswa, sedangkan pada siklus I sebesar 66,67% artinya siswanya berjumlah 16 yang tidak tuntas dan 8 siswa tuntas. Kemudian yang terakhir pada siklus II presentasi ketuntasannya sebesar 87% yang berarti bahwa siswa yang tidak tuntas sebanyak 3 siswa dan siswa yang tuntas sebanyak 21 siswa.
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