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All Journal Journal of Honai Math Kognitif: Jurnal Riset HOTS Pendidikan Matematika
Mariela, Anadia Muli
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Computer Science & IT Education Library & Information Science Mathematics Social Sciences Other

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Assessing seventh-grade students' computational thinking skills through problem-based learning: Focus on integer addition and subtraction Hapizah, Hapizah; Mariela, Anadia Muli; Mulyono, Budi
Journal of Honai Math Vol. 7 No. 2 (2024): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v7i2.560

Abstract

Computational thinking is a crucial skill that facilitates problem-solving for students. Recognizing its importance, the PISA 2021 framework incorporates computational thinking to enhance problem-solving and mathematical reasoning abilities. However, the proficiency of students in computational thinking remains low in Indonesia due to its infrequent integration into the curriculum. This study aims to evaluate students' computational thinking skills based on the indicators of decomposition, pattern recognition, abstraction, and algorithmic thinking following the implementation of computational thinking-based learning using the Problem-based Learning (PBL) model, specifically on integer addition and subtraction. The research involved 28 seventh-grade students from SMP Negeri 54 Palembang during the first semester of the 2023/2024 academic year. Data were collected through tests and interviews. The findings indicate that students' computational thinking skills are at a medium level. Furthermore, the study examines students' abilities concerning specific computational thinking indicators. It underscores the impact of computational thinking-based learning in enhancing students' ability to design and develop structured and systematic problem-solving strategies.
Learning Design for Translation Concepts Using Bola Kasti Games Mariela, Anadia Muli; Zulkardi, Zulkardi; Susanti, Ely; Meryansumayeka, Meryansumayeka
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 6 No. 1 (2026): January - March 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v6i1.4383

Abstract

Students often struggle to grasp geometric transformation concepts, particularly translation. Although some students can recognize object movement visually, conceptual misconceptions persist in interpreting the meaning of displacement, along with difficulties in representing movement visually using Cartesian diagrams. This condition indicates the need for a more contextually and meaningfully grounded learning approach that connects mathematical concepts with activities familiar to students. In this study, the traditional game of bola kasti is employed as an effective learning medium, serving as a cultural activity that is relevant and closely related to students’ experiences. The traditional bola kasti game functions not merely as a contextual illustration but is systematically designed as a conceptual transition tool that bridges physical activities and formal coordinate representations in the concept of translation. This research aims to develop a learning trajectory using the PMRI approach, incorporating the context of the bola kasti game to support students in constructing a deep understanding of the concept of translation. The research employed a design research methodology with a validation study type, involving 32 ninth-grade students from SMP Negeri 52 Palembang. Data collection techniques included student activity sheets, classroom observations, and interviews, which were analyzed descriptively using a qualitative approach. The findings indicate that the Actual Learning Trajectory (ALT) aligns with the designed Hypothetical Learning Trajectory (HLT). Therefore, the developed HLT is considered successful and contributes to the development of a Local Instructional Theory (LIT) in enhancing students’ conceptual understanding progressively, as demonstrated by students’ ability to identify the direction and magnitude of translation and to represent translations using Cartesian diagrams through the PMRI approach with the context of the bola kasti game in translation learning.
Co-Authors Ely Susanti Hapizah Meryansumayeka Meryansumayeka Mulyono, Budi Zulkardi Zulkardi