The goal of this research is to describe Grade 11 students' performance in General Mathematics during the first quarter of the school year 2020-2021 utilizing a modular learning strategy. This study also looked at the effectiveness of a modular learning method. This study used an experimental approach using a one-group pre- and post-test design. With a total of 16 pupils, there were seven male and nine female respondents. The information was taken from Sta. Cruz South High School in the province of Zambales used a questionnaire created by the researcher. The questionnaire consists of 50 items divided into five core topics based on the Department of Education's Most Essential Learning Competencies (MELC) (DepEd). Functions, rational functions, inverse functions, and inverse functions are the five basic ideas.

Keywords : Modular Learning Approach, Functions, Mathematical Competence, MELC, DepEd.