Abstract
This mixed-method developmental study used the ADDIE model and GRASPS framework to design and evaluate Integrative Contextualized Assessment Tasks (ICATs) that integrated mathematics with other subjects. Purposively selected Grade 10 teachers and students participated in task design, pilot implementation, and evaluation in a Philippine public high school. Three tasks integrated Most Essential Learning Competencies (MELCs): (1) permutation, combining Mathematics (M10SP-IIIa-1), Science (reproductive systems, S10LT-IIIa-33), English (argumentative writing, EN10WC-IIa-13), and Values Education (ethical reflections, EsP10PK-IIa-1); (2) combination, linking Mathematics (M10SP-IIIb-1), Music (musical analysis, MU10CM-IIa-2), and English (persuasive writing, EN10WC-IIb-14); and (3) probability of A ∪ B, integrating Mathematics (M10SP-IIId-1), Science (biodiversity, S10LT-IIId-37), and Values Education (resource ethics, EsP10PK-IIb-3). Pilot testing showed high student satisfaction, enhancing engagement and interdisciplinary understanding. Experts rated the tasks highly acceptable for their curriculum alignment and pedagogical rigor. ICATs reduced assessment workload while highlighting mathematics’s real-world relevance, offering a replicable model for interdisciplinary education in resource-constrained settings globally, pending further validation. The study recommends adopting ICATs while ensuring alignment with curriculum standards to support holistic learning and curriculum integration.
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