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All Journal Jurnal Ekonomi Pembangunan STIE Muhammadiyah Palopo Agrita Mudabbir: Journal Research and Education Studies eProceedings of Management Jurnal Malikussaleh Mengabdi Jurnal Riseta Naturafarm Mitsaq : Islamic Family Law Journal Media Pendidikan Matematika Journal of Golden Generation Economic
Akbar, Khairul
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Journal : Media Pendidikan Matematika

 1 
PENGGUNAAN KARTU DOMINO MATEMATIKA DALAM FRAMEWORK ELPSA UNTUK MENINGKATKAN HASIL BELAJAR SISWA Akbar, Khairul
Media Pendidikan Matematika Vol. 6 No. 1 (2018)
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v6i1.1815

Abstract

This study aims to improve student learning outcomes on material eksponensial using mathematical dominoes in the ELPSA framework. This research is a classroom action research (CAR) conducted in two cycles. The subjects of this study were students IX-1 grade of  SMPN 2 Praya Barat Daya, Central Lombok District TP. 2017/2018 there were 28 people consisting of 15 female students and 13 male students. The research data collection instruments were Observation Sheet and Test Sheet. Indicators of research success are determined based on KKM 70 as a determinant of individual completeness with Classical Completion (KK) of 70%. The results showed that the average pre-action learning achievement was 30.71. After the action in the first cycle increased to 60.18. Student learning achievements in the first cycle increased by 29.47. In the second cycle the average student learning achievement was 76.07, which means an increase of 15.89 from the first cycle. Mastery learning / classical completeness in pre-action by 14.29% increased in the first cycle to 42.86%, and also increased in the second cycle by 71.43%. From the results of this study it can be concluded that the use of mathematical dominoes in the ELPSA framework on material eksponensial can improve student learning outcomes.
KEMAMPUAN PENALARAN SPASIAL SISWA SMPN 2 PRAYA BARAT DAYA Akbar, Khairul
Media Pendidikan Matematika Vol. 7 No. 2 (2019)
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v7i2.2094

Abstract

Having good spatial reasoning skills supports a person's success in the STEM field. Spatial reasoning in mathematics is found in geometry. Students' abilities in geometry at SMPN 2 Praya Barat Daya are very low. The purpose of this study was to determine the process of thinking students on spatial reasoning. Spatial reasoning in this study is limited to the constructs of spatial visualization, mental rotation, and spatial orientation. This type of research is descriptive qualitative with a type of eksploratory research. The research subjects were selected 3 students with high, medium, and low mathematical abilities. The main instrument is the researchers himselfs and other instruments are written tests of spatial reasoning and interviews. The results showed: (1) students with high mathematical abilities had better spatial visualization abilities than other students, the three students were not able to use mental rotation skills properly, and the three students were able to use the ability of spatial orientation well, (2) the thinking process of students with high mathematical abilities in spatial visualization was done through reflecting objects, while other students through following the position of the object, in mental rotation the three students did not look too closely at the part of the object being rotated, and  spatial orientation was done bystudent through positioning themselves as objects.
Co-Authors Abd. Syakur Afrilia, Indah ahmad rasyid, ahmad Asriza, M. Rangga Baidhawi Baidhawi Dahliannur Damin, Dini Angelina Putri Evi Fitriany Fadilla, Shella Fadli Fadli Harianja, Gabriella Bioctin Harianja Kembaren, Emmia Tambarta Lilik Andaryuni Muhammad Reza Pahlevi Nabilah, Nur Fauziah Nainggolan, Lya Novaria Noor, Zulhijrian Putri, Syakila Mawadah Safitri, Ananda SAFITRI, Sekar Selgia, Eka Sudrajat, Aulia Aisyah Suhaimi, Syech Sulistianto, Sulistianto Tanjung, Ade Firmansyah Taufiqurrahman Taufiqurrahman Tetty Yuliaty Zuriani, Zuriani