Alfiansyah Halomoan Siregar
Universitas Muhammadiyah Tapanuli Selatan

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Journal : EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA

EFEKTIVITAS PEMBELAJARAN MATEMATIKA BERBASIS IT (GEOGEBRA) DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA SMA N 1 BATANG ANGKOLA Paisal Hamid Marpaung; Thofik Hidayat; Alfiansyah Halomoan Siregar; Nur Sahara; Andes Fuady Dharma Harahap; Awaluddin Dongoran; Seri Rahmadani
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 6, No 1 (2021): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v6i1.146-150

Abstract

The low ability of students to solve mathematical problems is one of the causes of the low student achievement in mathematics. There are many factors that cause this to happen, one of which is learning mathematics which is monotonous or lacks variation. For that, learning mathematics using IT during the teaching and learning process, in this case the Geogebra application. As one of the efforts made, of course, it is expected to improve students' mathematical problem solving abilities. Therefore, this study aims to determine whether the geogebra software can improve students' mathematical problem solving skills in the SPLDV material. The sample in this study were 35 students of class X IIS 1 in SMA Negeri 1 Batang Angkola with virtual research and using a qualitative approach.
PEMANFAATAN MEDIA LECTURE MAKER DALAM PEMBELAJARAN KIMIA MELALUI PENERAPAN PROFESSIONAL LEARNING COMMUNITY DI SMA NEGERI 1 BATANG ANGKOLA Heni Mulyani Pohan; Fatma Suryani Harahap; Elisa Elisa; Alfiansyah Halomoan Siregar; Fitri Agustina Lubis; Paisal Hamid Marpaung
Eksakta : Jurnal Penelitian dan Pembelajaran MIPA Vol 8, No 1 (2023): Eksakta : Jurnal Penelitian dan Pembelajaran MIPA
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan, UM-Tapsel

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/eksakta.v8i1.75-80

Abstract

This study aims : (1) Wheather the Lecture Maker can improve student  chemistry learning outcomes on the subject Mekanika Kuantum in the class XI IPA SMA Negeri 1 Batang Angkola. (2) Difference in direct learning  models by utilizing  Lecturer Maker media through the application of Proffesional Learning Community than direct teaching method without use of Lecture Maker media compare to direct learning models without utilizing  Lecture Maker media on student chemistry learning outcomes. The kind of this study is experiment, XI IPA 4 as the experiment class and XI IPA 3 as the control class. Data on learning outcomes are taken using tests. Before the test given to the student is first tested for feasibility outside the sample, including validity test, reliability test, differentiability and difficulty of the test. Data analysis techniques use normality tests, homogeneity tests, and hypothesis testing. Analysis result show the study result in the experiment class is average 63,39 to 76,42 increased 13,03. While the study result in the control class is average 50,52 to 59,73 increased 9,21. The percentage study result in the experiment class with use of Lecture Maker media through Proffesional Learning Community 30,12% be 49,34% increased 19,22%. Based on the control class without use Lecture Maker the percentage is 21,26% be 35,87% increased 14,61%. Based on the result show thitung > ttabel so H0 ignored and Ha accepted. Hypothesis 1 is accepted. Can be seen average experiment class higher 76,62 than average control class 59,73 so H0 ignored and Ha accepted. So the hypothesis 2 can accepted too.