AbstrakPermasalahan dalam riset ini merupakan rendahnya hasil ulangan harian siswa yang disebabkan oleh rendahnya keterampilan representasi matematis siswa. Riset ini ialah riset deskriptif dengan memanfaatkan instrumen berbentuk soal uji yang berupa soal penjelasan serta pedoman wawancara. subjek penelitian berjumlah 23 orang siswa, penerapan pembelajaran di lakukan secara daring di masa pandemi Covid-19. Instrumen riset di bagikan melalui whatsapp grup, serta wawancara dicoba lewat via telpon. Informasi yang diperoleh dianalisis buat mengenali keahlian representasi matematis siswa. Menurut hasil analisis lembar jawaban serta wawancara dari 23 siswa diperoleh kesimpulan jika ketercapain siswa pada indikator representasi visual 65,2%; indikator representasi ekspresi maupun persamaan 43,5%; dan indikator representasi kata-kata 41,2%. Hal ini menunjukkan bahwa kemampuan representasi matematis siswa masih perlu diperhatikan untuk dapat ditingkatkan. AbstractThe problem in this research is the low results of students' daily tests caused by the low mathematical representation skills of students. This research is descriptive research using an instrument in the form of test questions in the form of explanatory questions and interview guidelines. The research subjects were 23 students, the application of learning was carried out online during the Covid-19 pandemic. The research instrument was distributed via WhatsApp group, and interviews were tried via telephone. The information obtained was analyzed to identify students' mathematical representation skills. According to the results of the analysis of the answer sheets and interviews of 23 students, it was concluded that the student's achievement in the visual representation indicator was 65.2%; representation indicators of expressions and equations 43.5%; and indicators of representation of words 41.2%. This shows that the mathematical representation ability of students still needs to be considered so that it can be improved.
The aim of this research is to know the difference of the average of mathematics learning outcomes between the students Whose learning using cooperative learning model of type Head Head Together (NHT) Whose learning with the students using Think Pair Share (TPS) on the subject matter of the Circle. The population in this research is the eighth class of the second half of SMP N 1 Adiluwih in the academic year 2017-2018. Sampling was taken by cluster random sampling technique. The research instrument used to Obtain the data in the form of the test while for the data analysis is done normality test and homogeneity test. Since the sample comes from a normal and homogeneous distributed the data then it is continued with t-Test. Result of the data analysis can be concluded that there is difference of the mean result of student learning of mathematics using NHT type cooperative learning models with a mean of mathematics learning result of student using TPS learning models and the mean of student learning result by using cooperative learning model of type NHT is greater than the average mathematics learning outcomes of students taught by using the TPS learning models.
AbstrakPandemi Covid-19 di Indonesia membuat sistem pembelajaran berubah menjadi pembelajaran daring, sehingga kreatifitas guru mengembangkan media dan metode pembelajaran daring menjadi penting. Tujuan penelitian ini adalah untuk mengetahui perbedaan rata-rata hasil belajar siswa antara pembelajaran daring menggunakan media group WhatsApp dengan media group WhatsApp yang diberikan intervensi video pembelajaran. Populasi dari penelitian ini adalah siswa kelas VIII (8C, 8D, 8E, dan 8F) SMP N 1 Air Naningan, dengan teknik purposive sampling sehingga terpilih 30 siswa sebagai sampel penelitian. Instrumen penelitian yang digunakan adalah tes soal materi persamaan garis lurus yang berjumlah 5 soal. Data sampel diolah dengan uji t-berpasangan (Paired Samples Test) yang dilakukan pada kedua kelompok. Hasil penelitian menyimpulkan bahwa terdapat perbedaan rata-rata hasil belajar siswa yang menggunakan media group WhatsApp dengan rata-rata hasil belajar siswa menggunakan media group WhatsApp yang diberikan intervensi video pembelajaran. Hasil lain menunjukan pembelajaran daring dengan menggunakan media group WhatsApp dengan intervensi video pembelajaran lebih baik dan efektif digunakan untuk meningkatkan hasil belajar pada siswa kelas VIII SMP N 1 Air Naningan di masa Pandemi Covid-19. Kata Kunci : Pembelajaran daring, Group WhatsApp, Video Pembelajaran, Hasil belajar siswa.
Communication ability in this study
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