<![CDATA[AbstrakTelah dilakukan penelitian yang berjudul “Penerapan Pembelajaran Blended Learning Pada Materi Larutan Penyangga Di SMA Negeri I Unggul Darul Imarah”. Penelitian ini bertujuan untuk mendeskripsikan ketuntasan belajar, aktivitas dan tanggapan peserta didik serta guru terhadap penerapan pembelajaran blended learning pada materi larutan penyangga. Penelitian ini dilaksanakan sebanyak empat kali pertemuan di SMA Negeri I Unggul Darul Imarah dengan subjek penelitian peserta didik XI IPA 2 yang berjumlah 21 orang, terdiri dari 13 perempuan dan 8 laki-laki. Jenis penelitian yang digunakan adalah deskriptif dengan pendekatan kualitatif. Data penelitian diperoleh dari hasil evaluasi akhir, lembar observasi aktivitas, dan angket tanggapan peserta didik serta guru. Berdasarkan analisis data diperoleh persentase rata-rata aktivitas belajar peserta didik pertemuan I, II, dan III masing-masing sebesar 71,48%, 82,24%, dan 93,75. Persentase ketuntasan belajar diperoleh sebesar 80,95% dengan kategori sangat baik. Guru dan peserta didik memberikan tanggapan positif terhadap penerapan pembelajaran blended learning dengan persentase masing-masing yaitu 89,58% dan 83,31%. Berdasarkan hasil penelitian maka dapat disimpulkan bahwa ketuntasan belajar peserta didik telah tuntas secara klasikall dengan kategori sangat baik. Aktivitas juga meningkat selama penerapan pembelajaran blended learning, serta guru dan peserta didik memberikan tanggapan yang positif terhadap pembelajaran blended learning. Untuk peneliti lain yang akan melaksanakan pembelajaran blended learning diharapkan dapat menyusun jadwal lebih rinci untuk kegiatan di course e-learning. Kata kunci : Blended learning, ketuntasan belajar, larutan penyangga, e-learning AbstractThe research had been conducted entitled "Application of Blended Learning on Surface Buffing Material in SMA Negeri I Unggul Darul Imarah". The aim of this study is to describe learning completeness, activities and responses of students and teachers to the application of blended learning on buffer material. This research was conducted four times meeting in SMA Negeri I Unggul Darul Imarah, the subject of this research is 21 students of class XI IPA 2 consisting of 13 female and 8 male students. This is descriptive research with qualitative approach. The Research data obtained from the final evaluation, activity observation sheet, and questionnaire responses of students and teachers. Based on the data analysis, the percentage of students learning activity’s average of the meetings I, II, and III was 71.48%, 82.24% and 93.75, respectively. Percentage of learning completeness was obtained by 80.95% with very good category. Teachers and students responded positively to the application of blended learning with percentage of 89.58% and 83.31%. Based on the result of the research, it can be concluded that the students' learning completeness has been completed classicallly with very good category. Activities also increase during the application of blended learning, as well as teachers and students also give a positive response to blended learning. For other researchers who will conduct research in blended learning is expected to arrange a more detailed schedule for activities in the e-learning course. Keyword: Blended learning, learning completeness, buffer solution, e-learning ]]>
