Improving Elementary Students' Mathematical Problem-Solving Skills through the Development of Heyzine-Based STEM E-Worksheets Integrated with PBL
DOI:
https://doi.org/10.32832/at-tadib.v10i1.23186Keywords:
E-Worksheets, Heyzine, STEM Education, Problem-Based Learning, Mathematical Problem SolvingAbstract
This study aims to develop STEM-based electronic student worksheets using the Heyzine platform, integrated with the Problem-Based Learning (PBL) model. The primary objective is to improve the mathematical problem-solving skills of fifth-grade elementary school students, specifically regarding composite area measurement. This research employs the Research and Development (R&D) method following the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). Quantitative data were gathered through expert validation (covering content, language, and design), product trials, and effectiveness testing using pre-test and post-test scores. Qualitative data were obtained from interviews, observations, and teacher and student response questionnaires. The results indicate that the STEM based E-Worksheet integrated with the PBL model is highly feasible, receiving a 94% response rate from teachers and 94.6%–100% from students, both categorized as "Excellent." Effectiveness testing showed an improvement in problem-solving skills, with N-Gain scores in the following aspects: understanding the problem (95%, High), devising a plan (83%, High), carrying out the plan (53%, Moderate), and looking back (53%, Moderate). In conclusion, the STEM based E-Worksheet integrated with the PBL model is effective in enhancing the mathematical problem-solving skills of fifth-grade elementary school students. This research provides a practical contribution for elementary school teachers in developing interactive and contextual digital mathematics learning media, which is highly relevant to the implementation of the Merdeka Curriculum.
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