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Development And Validation of Supplemental Learning Material in Integral Calculus

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  • Bernan C. Cabueñas

    (Ilocos Sur Polytechnic State Collegetagudin, Ilocos Sur graduate School)

Abstract

This study investigated the performance of Bachelor of Science in Civil Engineering (BSCE) students in Integral Calculus at Saint Louis College, aiming to develop and validate Supplemental Learning Material (SLM) to address academic gaps. Emphasizing Integral Calculus as essential in civil engineering, the study assessed students’ proficiency in topics such as integration of rational fractions, algebraic and standard formulas (U-substitution), definite integrals, and geometric applications. A teacher-made multiple-choice test was administered to 19 second-year students and validated by five instructors. Data were gathered during the 2023–2024 midterm and analyzed using mean percentage scores and descriptive ratings. Results showed strengths in definite integrals and rational fractions, but weaknesses in algebraic and geometric concepts. Based on the findings, an SLM was developed, receiving a high content validity rating (mean = 4.19). The study concludes that focused supplemental materials can significantly improve students’ understanding and recommends using interactive strategies and continuous assessment.

Suggested Citation

  • Bernan C. Cabueñas, 2025. "Development And Validation of Supplemental Learning Material in Integral Calculus," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 9(3s), pages 6071-6088, August.
    • Handle: RePEc:bcp:journl:v:9:y:2025:i:3s:p:6071-6088
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