10.22662/IJASC.2020.2.2.001,

Background/Objectives: This research aspires to develop context-based enrichment activities that will make an interrelation between the concepts taught in Grade 9 Mathematics in Angat National High School at Taboc, Angat, Bulacan to the lives of the students. Methods/Statistical analysis: The sample of the study included 35 students. Contextual Teaching and Learning (CTL) approach can be used to address this study. Using the survey questionnaires, results revealed the topics that has perceived low relevance to the students were, law of sine, law of cosine, angle of elevation and depression, quadratic inequalities, applications on quadratic function, equations transformable into quadratic equation, oblique triangles, trigonometric ratios and special angle, solving quadratic equations by completing the square and graphs of quadratic function, and these are the topics contained in the enrichment activities. Findings: The students also replied that there is a need to come up with an instructional material that will connect these concepts to their lives and to improve their knowledge, abilities and skills, to monitor their assimilation of information, and to contribute to their overall development and upbringing. Improvements/Applications: The evaluation of the instructors to the enrichment activities scored an admissible mark and was complimented as useful and applicable.