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All Journal International Journal of Evaluation and Research in Education (IJERE) Sriwijaya University Learning and Education International Journal Mathematics Education Journal Journal on Mathematics Education
Ismail, Norulhuda
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Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Journal : Mathematics Education Journal

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STEM-based 2D Shapes Learning Design in Parachuting Context to Support Student’s Flexibility Ability Ambarwati, Belinda; Aisyah, Nyimas; Hapizah; Ismail, Norulhuda
Mathematics Education Journal Vol. 18 No. 2 (2024): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jpm.v18i2.pp199-216

Abstract

This research aims to produce STEM-based 2D shapes learning trajectories in the context of parachuting to support students’ flexibility ability. The method chosen was design research type validation studies consisting of three stages: preparation for experiment, design experiment, and retrospective analysis conducted for two cycles. The research subjects were 7th grade junior high school students selected by purposive sampling. Data were collected through observation, written tests, and interviews, then analyzed qualitatively and presented in text narratives. The result of this study is a learning trajectory consisting of three activities, namely 1) making three square-shaped canopy designs with different sizes and the same suspension rope length, 2) making three square-shaped canopy designs with the same size and different suspension rope lengths, and 3) making three canopy designs in the form of different quadrilateral with the same canopy area and suspension rope length. The learning trajectory developed is able to support students' flexibility ability where in the learning process students are directed to realize the existence of alternative strategy choices or varied solutions, utilize various knowledge possessed, determine the most effective and efficient way or strategy, and believe in the truth of the answers used in solving problems.
Validation of Mathematics Test to Assess Polytechnic Students' Problem Solving Shida, Nurul; Abdullah, Abdul Halim; Osman, Sharifah; Ismail, Norulhuda
Mathematics Education Journal Vol. 17 No. 2 (2023): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Abstract

Mathematics education and problem-solving are inseparable due to the significance of solving problems with educational implications. This study aims to describe the process of developing and validating a test that measures problem-solving skills in Integral Calculus. This study is done to identify traces of the intended strategy in the answers, style, and quality of the student's responses. Data collection techniques were carried out through mathematical tests using problem-solving questions. The difficulty index, discrimination index, and reliability were calculated to analyze the data for each problem-solving instrument. Based on expert reviews, evaluations, and data analysis tests, five valid problem-solving instrument items with a discrimination index greater than 0.30 and Cronbach's alpha reliability greater than 0.60 have been developed. Therefore, it can be concluded that the developed maths test questions can enhance the problem-solving skills of Ibrahim Sultan Polytechnic students. DOI: https://doi.org/10.22342/jpm.17.2.20171.265-278
Co-Authors Abdullah, Abdul Halim Ambarwati, Belinda Ely Susanti Hapizah Mengyao, He Mulyono, Budi Nuradinda, Amieyah Nyimas Aisyah Osman, Sharifah Safitra, M. David Shida, Nurul Situmorang, Gresilia Xueting, He Zaleha Ismail