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adek Nilasari Harahap
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Upaya meningkatkan hasil belajar siswa pada materi himpunan dengan model pembelajaran Reciprocal teaching Eka Surya Rindani; adek Nilasari Harahap; Nurdalilah
Jurnal Cermatika Vol. 3 No. 1 (2023): VOLUME 3 NOMOR 1 BULAN APRIL TAHUN 2023
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This research is classroom action research (PTK). The learning tools used in this research are the Learning Implementation Plan (RPP), Student Activity Sheet (LAS), test instruments, student activity observation sheets and teacher ability observation sheets to manage learning. The results of the research showed that by applying the Reciprocal Teaching learning model in cycle I, the percentage of completeness in the minimum "sufficient" category was 73.08% and in cycle II it was 84.62%. There was an increase from cycle I to cycle II of 11.54%. With achievement indicators ≥ 80% have been achieved. Then, for the results of observations of student activities in cycle I, it was found that the level of student activity was 71.05% "fair" in cycle II 80.69% "good". The increase that occurred from cycle I to cycle II was 9.64%, the achievement indicator was ≥ 80%. Meanwhile, the results of observations of the teacher's ability to manage learning in cycle I and cycle II were obtained in the "good" category.
PENGARUH PEMBELAJARAN BLENDED LEARNING MENGGUNAKAN APLIKASI MICROSOFT POWER POINT TERHADAP PEMAHAMAN HIMPUNAN Rika Anggita Hasibuan; adek Nilasari Harahap; Puspa Riani Nasution; Nova Christina Dewi
Jurnal Cermatika Vol. 4 No. 1 (2024): VOLUME 4 NOMOR 1 BULAN APRIL TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This research aims to determine the influence of learning in understanding associations through the Blended Learning learning model in class VII of SMP N 5 East Angkola for the 2023/2024 academic year. In this study, the sample was taken from the population using simple random sampling, namely the researcher took the sample randomly without paying attention to the strata in the population. This type of research is Quasi Experimental Research. The research subjects were class VII-2, totaling 20 people. There were 13 women and 6 men. The instrument used is a test. The test used is an essay form test with 5 questions. For final data analysis using Simple Linear Regression. The constant (a) is 12.694, meaning that if the Blended Learning influence level variable is 0, then the learning outcome volume variable has a value of 12.694. The regression coefficient for the Blended Learning variable has a positive value of 36.863, indicating that if it increases, there will be an increase of 36.863. The coefficient has a positive value, meaning that there is a positive relationship between Blended Learning and Microsoft Power Point.
Co-Authors Eka Surya Rindani Nova Christina Dewi Nurdalilah Puspa Riani Nasution Rika Anggita Hasibuan