Development of Game-Based Supplementary Instructional Material (SIM) in Teaching Music 8

The study aimed to developed a game-based Supplemental Instructional Material (SIM) for Music 8 to address the least mastered competency among Grade 8 students.A descriptive-developmental research design was employed.Descriptive analysis was used to identify the least learned competency during the second quarter Music assessment, based on the mean percentage score (MPS).The competency with an MPS of 27.8, categorized as "not mastered," served as the foundation for developing the game-based SIM.The development process began with planning the game-based content of the SIM using Microsoft PowerPoint to help organize and enhance the material, classpoint was utilized.The game-based SIM included several key components Classroom Feud, True or False with Trivia, Who's Who, and Guess the Music, focusing on musical instruments from three Southeast Asian countries.The instructional material underwent review and evaluation by master teachers in MAPEH, using the Department of Education's evaluation rating sheet for non-printed materials, as per DM No. 441, s. 2019.Three expert reviewers assessed the content quality, instructional quality, technical quality, and provided additional feedback.The game-based SIM classified as "very satisfactory."The SIM is recommended for pilot testing and will be submitted to the Division Learning Resource office for further quality assurance.