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Benny Sofyan Samosir
Universitas Muhammadiyah Tapanuli Selatan
Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Physics Public Health Social Sciences Other

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Journal : Jurnal Pendidik Indonesia

 1 
Studi komparasi antara pembelajaran problem solving dengan discovery learning terhadap kemampuan komunikasi matematis siswa Lestari, Dini Anggi; Sormin, Masdelima Azizah; Samosir, Benny Sofyan
Jurnal Pendidik Indonesia Vol. 5 No. 2 (2024): Jurnal Pendidik Indonesia
Publisher : Karoteh Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6129/jpi.v5i2.52

Abstract

This study aims to compare the effects of the Problem Solving and Discovery Learning models on students' mathematical communication skills in grade XI at SMA Aliyah-Washliyah 36 Serbelawan. The sample was randomly selected using random sampling techniques, with class XI MIA I employing the Problem Solving model and class XI MIA II utilizing the Discovery Learning model. Data were collected through observation, documentation, and tests, then analyzed using statistical tests to examine the research hypothesis. The results showed that both learning models had a significant effect on students' mathematical communication skills. The average score for the Problem Solving model was 1.99, while the Discovery Learning model achieved 2.19, indicating a significant difference between the two. This study concludes that both Problem Solving and Discovery Learning are effective in enhancing students' mathematical communication skills, with Discovery Learning yielding slightly better results. These findings recommend teachers select suitable learning models based on students' needs.
Pengaruh pembelajaran drill and practice terhadap kemampuan pemecahan masalah matematis siswa Tussakynah, Wafiah; Sormin, Masdelima Azizah; Samosir, Benny Sofyan
Jurnal Pendidik Indonesia Vol. 5 No. 2 (2024): Jurnal Pendidik Indonesia
Publisher : Karoteh Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61291/jpi.v5i2.53

Abstract

This study aims to analyze the impact of the Drill and Practice teaching method on students' mathematical problem-solving abilities in quadratic equations and functions in grade XI Perbankan and XI TKR at SMK Negeri 4 Padangsidimpuan. The results show that implementing the Drill and Practice method significantly improved students' mathematical problem-solving abilities. The average initial ability score (pretest) was 59, which was below the mastery level. After learning with the Drill and Practice method, the average score increased to 76, exceeding the mastery level, with an improvement of 17 points. Statistical tests revealed a significant influence of the Drill and Practice method on students' mathematical problem-solving abilities. The t-test calculation produced a tvalue of 26.09, which is greater than the ttable value of 1.70 (tvalue > ttable​). Thus, the hypothesis that the Drill and Practice method positively influences students' mathematical problem-solving abilities is accepted.
Co-Authors Ahmad Fadil Pohan Aisyah Karimah Alhadi Siregar Amir Mahmud Amir Mahmud Andes Fuady Harahap Andi Abdul Syakur Arfani, Bella Aulia Adi Ratna Bulan, Fadhilah M Seri Elda Sari Siregar Feny Sagita Fitriani Fitriani Fitriani Fitriani Fitriani Habibi Habibi Harahap, Erlina Hasibuan, Zakiyah Putri Helandri Perdana Ritonga Indah, Erti Kumala Iwan Setiawan Nasution Jalilah Azizah Lubis Khairunnisa Khairunnisa Lestari, Dini Anggi Lili Herawati Parapat Lisna Agustina Lisna Agustina Lisna Agustina Lisna Agustina Lubis, Julvian Setiawan Masdelima Azizah Sormin Mukhlis Mukhlis Mukhlis Mukhlis Nasution, Erti Kumala Indah Nasution, Fery Endang Novitasari, Wiwik Nur Indah Sari Gulo Nur Sahara Nur Sahara Nur Sahara Nursahara Nursahara Piki Fatwani Nasution Safran Efendi Pasaribu Sagita, Feny Sahara, Nur Sahara Siregar, Ummu Habibah Siregar, Yulla Anita Sormin, Masdelima Azizah Syahruddin Aritonang Tua Hudyansah Tussakynah, Wafiah Uli Anto Uli Anto Hutagalung Winmery Lasma Habeahan Wiwik Novitasari Yasril Efendi Hamdy Siregar Zainab Rambe Zakiyah Putri Hasibuan