Enhancing geometry learning through project-based teaching materials: A focus on circumference and area of circles

Lili Nur Indah Sari(1), Diyah Hoiriyah(2),


(1) UIN Syekh Ali Hasan Ahmad Addary, Padangsidimpuan, North Sumatra, Indonesia, 22733
(2) UIN Syekh Ali Hasan Ahmad Addary, Padangsidimpuan, North Sumatra, Indonesia, 22733

Abstract


This study aims to develop a Student Worksheet based on the Project-Based Learning (PjBL) approach, ensuring its validity, practicality, and effectiveness in facilitating mathematics instruction on the topic of circumference and area of circles for MTs students. The research follows a Research and Development (R&D) methodology, employing the ADDIE development model, which encompasses five stages: Analysis, Design, Development, Implementation, and Evaluation. The validation process assessed the worksheet’s quality across four aspects: content feasibility, material presentation, worksheet structure, and linguistic quality. The results indicate that the content feasibility scored 84%, material presentation 86.5%, worksheet elements 86%, and linguistic quality 88%, all within the “very valid” category. Overall, the Student Worksheet achieved a validity score of 86% (categorized as “very valid”), confirming its appropriateness for use in the classroom. These findings suggest that the PjBL-based Student Worksheet effectively supports mathematics learning and meets expert criteria for validity.

Keywords


Student worksheets; project-based learning; circumference; area; circle

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References


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DOI: https://doi.org/10.34007/jdm.v5i3.1911

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