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All Journal Jurnal Pelita Pendidikan JURNAL KEGURUAN INTECOMS: Journal of Information Technology and Computer Science Malikussaleh Journal of Mathematics Learning (MJML) JURNAL PENDIDIKAN MIPA Majalah Ilmiah Kaputama MES: Journal of Mathematics Education and Science Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Bionatural: Jurnal Ilmiah Pendidikan Biologi Jurnal Sintaksis : Pendidikan Guru Sekolah Dasar, IPA, IPS dan Bahasa Inggris Journal of Didactic Mathematics Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Pengabdian Masyarakat STKIP AL MAKSUM LANGKAT Jurnal Abdimas Maduma Journal of Research on Mathematics Instruction (JRMI) IJIS Edu : Indonesian Journal of Integrated Science Education
Purba, Azrina
STKIP Al Maksum Langkat
Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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The Development of LKPD Multimedia using Problem-Based Learning Model to Improve Critical Thinking Ability of Elementary School Students Hasanah, Nurul; Purba, Azrina; Rajagukguk, Kiki Pratama
Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences Vol 4, No 3 (2021): Budapest International Research and Critics Institute August
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v4i3.2501

Abstract

This study aims to improve students' critical thinking skills and instill a good understanding of learning concepts through the use of Multimedia Student Worksheets based on Problem Based Learning (PBL) Models. The LKPD that will be developed only contains the sub-themes of Temperature and Heat, this is due to the limitations of the researcher. The development model used in this study is the Dick & Carey development model which consists of 10 steps. The data obtained were analyzed descriptively and statistical tests using SPSS. To produce quality products, the development of LKPD in research uses criteria consisting of Relevance, Consistency, Practically and Effectively. The population used in this study were fifth grade students of SD Negeri Gebang-Langkat District. Based on the results of the study showed that (1) LKPD was declared very valid (86.87%) by validators, (93.3%) by teachers and (87.3%) by students in three different schools (2) Differences in critical thinking skills Significant students between classes using PBL Model-based Multimedia LKPD have an average score (86.27) while the LKPD available at school (43.63), where the significant t-test shows 0.000 <0.050 Ha is accepted. 
The Development of Comparison in Mathematics Textbook and Problem-Based Learning to Improve Mathematical Problem-Solving Ability of Junior High School Students Purba, Azrina; Riskyka, Riskyka
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 4, No 4 (2021): Budapest International Research and Critics Institute November
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v4i4.3200

Abstract

In essence, this research is a development research with the aim of producing quality mathematics textbooks. To achieve that, the development model used in this research is the 4-D development model proposed by Thiagarajan, Semmel and Semmel (1974) which consists of the Define stage, Design stage, Develop stage and Disseminate stage. As for the quality of mathematics textbooks, the criteria proposed by Nieveen (2007) consist of Relevance, Consistency, Practically and Effectively. The subjects in this study are 7th grade students of SMP Muhammadiyah 54 Kerasaan and the object of this research Comparison in Mathematics Textbook Textbook and Problem-Based Learning. The instruments used consisted of Textbook validation sheets, student activity observation sheets, teacher ability observation sheets to manage learning, student response questionnaires and students' mathematical problem-solving ability tests. The validation results show that the textbooks are categorized as good. The results of the research trials show that: (1) the level of classical learning completeness is 76.67%; (2) the level of student activity during the learning process is in the ideal time tolerance limit criteria; (3) The level of teacher ability in managing contextual learning is good, because the average has reached the minimum criteria; (4) Student responses to the components of the device and the learning process were positive in the first and second trials; (5) The students' mathematical problem-solving ability has increased with an average score of 1.56 at the pretest and 3.07 at the post-test with an average increase (N-Gain) included in the medium category with an average of 0.512. So it can be concluded that the problem-based learning-based mathematics textbook developed meets the valid, practical and effective criteria.
Co-Authors Ade Evi Fatimah Ary Anggara Shahputra Diah Kesumawati Diah Kesumawati Dini Puji Anggraini Donny Adiatmana Ginting Dwi Puspita Sari Eka Darliana Harry Pratama Figna Haryati Haryati Haryati Haryati Haryati Indah Lestari, Indah Irwanto Irwanto Kahar Mashuri Kesumawati, Diah Lubis, Elfi Lailan Syamita Lubis, Renni Ramadhani Muhammad Fadli Nasution, Unita Sukma Zuliani Noverita, Anisa Nurul Hasanah Nurwijayanti Parinduri, Wina Mariana purba, oktaviana nirmala Putri Ananda Rajagukguk, Kiki Pratama Rambe, Nurhamimah Renni Ramadhani Lubis Riskyka Riskyka Riskyka Riskyka Riskyka, Riskyka Rosmen Ryan Dhika Priyatna Suci Dahlya Narpila, Suci Dahlya Suci Ramadhani Sukma Zuliani Nasution, Unita Suwanto Suwanto Syafitri, Anis Tarwiyah Taufiqurrahman Taufiqurrahman Tedy Putra Tedy Putra Tedy Putra Titin Rahmayanti Rambe Try Santi Kisria Darsih Unita Sukma Zuliani Unita Sukma Zuliani Nasution Widuri Widuri Yulia Anita Siregar Yusda Novianti