Contextual Teaching And Learning (CTL) Pada Pembelajaran Matematika Materi Barisan Dan Deret Aritmetika

This research is a type of Classroom Action Research (CAR), which aims to improve the results of learning mathematics in the material of arithmetic sequences and series for class X-5 SMA Negeri 7 Balikpapan Timur in the 2022/2023 academic year through the application of the Contextual Teaching and Learning (CTL) learning model. This research took place in two cycles. Data collection techniques are observation, tests, and documentation. The subjects of this study were 36 students. The indicator of research success is if students get a score of ≥ 72 at least 75% of the total. The results of this study were that in the first cycle the average grade was 60 with a learning completeness percentage of 27.78%, and after the action was taken in the second cycle the average increased to 85 with a learning completeness percentage of 83.33%. The increase in student learning outcomes occurs because in the Contextual Teaching and Learning (CTL) model students are more active and can relate learning to real life so that they can solve questions and understand concepts related to the material of arithmetic sequences and series.Penelitian ini merupakan jenis Penelitian Tindakan Kelas (PTK), yang bertujuan untuk meningkatkan hasil belajar matematika materi barisan dan deret aritmetika siswa kelas X- 5 SMA Negeri 7 Balikpapan Timur tahun pelajaran 2022/2023 melalui penerapan model pembelajaran Contextual Teaching and Learning (CTL). Penelitian ini berlangsung dalam dua siklus. Teknik pengumpulan data adalah observasi, tes, dan dokumentasi. Subjek penelitian ini adalah 36 siswa. Indikator keberhasilan penelitian yaitu jika peserta didik mendapat nilai ≥ 72 setidak-tidaknya 75% dari jumlah keseluruhan. Hasil penelitian ini adalah pada siklus I rata-rata kelas 60 dengan persentase ketuntasan belajar 27,78%, dan setelah dilakukan tindakan pada siklus II rata-rata meningkat menjadi 85 dengan persentase ketuntasan belajar 83,33%. Peningkatan hasil belajar siswa terjadi karena di dalam model Contextual Teaching and Learning (CTL) siswa lebih aktif dan dapat menghubungkan pembelajaran dengan kehidupan nyata sehingga dapat menyelesaikan soal-soal dan memahami kosep terkait materi barisan dan deret aritmetika