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Journal : Jurnal Gantang

Developing Problem Based Learning Device to Grow Students' Mathematical Critical Thinking Ability Muhamad Julfianto; Elfis Suanto; Syarifah Nur Siregar
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.5318

Abstract

This research is motivated by the importance of students' mathematical critical thinking skills and the limited learning tools with problem-based learning models to facilitate students' mathematical critical thinking skills used by teachers (Syllabus, RPP, and LAS) as a means of supporting learning in the 2013 Curriculum and fostering the ability to think mathematical critical. This research aims to produce a learning device based on the Model of Problem-Based Learning (PBL) on the probability material that is valid and practical to grow students' mathematical critical thinking skills. The model of development used is the 4D model (Define, Design, Develop, Disseminate). The subjects of one-to-one evaluation in this study were three 9th-grade SMP IT Aufia Global Islamic Boarding School and six heterogeneous students as small group evaluation subjects. The data analysis technique that will be carried out in this study is descriptive analysis technique. The Instruments used include (1) Syllabus, lesson plans, and student activity sheet validation sheets; and (2) a Questionnaire for student response to Student activity sheets. The learning tools that have been compiled are then validated by three validators and revised according to suggestions from the validators. The learning device is said to be valid if the level of validity achieved is at a value The validation results from three validators show that the syllabus, lesson plans, and student activity sheet are very valid, with the average score in a row 3.82, 3.74, and 3.55. Student activity sheet practicality shows an average percentage of 92,06% with efficient criteria. The results of this study indicate that the learning based on Model Problem-Based Learning (PBL) on the probability material is very valid and significantly grows students' mathematical critical thinking skills.
Co-Authors ', Armis ', Helmawati ', Jalinus ', Juliana ', Kartini ', Syofni ', Syofni ', Zulkarnain ', Zulkarnain Achid Albintani Ade Suci Ramadhani Alisya Syalasatun Thoibah Anggi Sugesty Anisa Shaliha Arifin, Jefani Ariful Khairi Arinda Pratini Armis Armis ' Armis Armis Astuti, Putri Puji Atma Murni Atma Murni Atma Murni Aztari, Annisa Rosa Baroqah, Lailatul Bima Firmantara, Bima Dewi Susanti Dhea Ika Putri Dwinda, Tasya Syafa Elfis Suanto Evi Suryawati Evi Suryawati Farra, Fathimiyah Al Fitri Aldresti Geovani Meiwanda Geovani Meiwandad Halimirnawati Halimirnawati Harfal, Zaldi Hasanah, Ajroni Hasanah, Shintatri Hasanah, Yulia Hasniati, Amalia Haya, Padia Hesty Marwani Siregar Hidayah, Ayu Rahmah Indah Syafitri Indri Yani, Indri Istiqoidah, Anita Jalinus Jalinus Karisma, Romi Kartini ' Kartini Kartini Kartini, Kartini Kasih, Sutra Khairani, Elvia Kurnia, Isoka Amanah Leliyana Nurqolbi Maimunah Maimunah Maimunah, Maimunah Metti Sukri Muhamad Julfianto Nadhilah Andriani Nahor Murani Hutapea Nainggolan, Sabrina Niadika Ayu Putri Noviana Noviana Nur Hajizah Nurhayeti, Nurhayeti Nurul Hidayati Puspita, Sri Putri Yuanita Qatrunnada, Auliya Widad Rahmi Juli Juli Rahmi Mutia Rahmita Budiartiningsih Ramadhan Permadikusuma Nugraha Raufany, Gema Resti Dwi Junita Rini Dian Anggraini Runanda, Istifariani Runanda, Istifariani Safrita, Helfi Sakur Sakur Sakur, Sakur Saragih, Soni Ezra Ridwana Sari Bangun Putri Dewi Sartika Ardina Sehatta Saragih Setiyaningsih, Wiwik Siti Aisyah Syahrul Siti Maisaroh Subekti, Hafizah Syahrani Sudiarti, Mira Sukri, Metti Sukri, Metti Susanto, Elfis Susda Heleni Syadevi, Aulya Revicka Dwi Syofni ' Syofni Syofni Syofni Syofni Syofni Syofni Syofni, Syofni Titi Solfitri Triandini, Bella Tut Wuri Handayani, Tut Wuri Tuti Alawiyah Tuti Alawiyah Vevi Anggia W. Eggy Yufentya Yasvialan Arianta Yenita Roza Yosi Putri Yuliantini, Cewang Zaldi zaldi Zea Sarah Tantri Irani, Zea Sarah