The Covid-19 pandemic has caused a historical disturbance in the delivery of education in the Philippines. Pupils were only given a modules. The major purpose of this study was to determine the effectiveness of modular distance learning modality to the Academic Performance of Students on its more than a year implementation. So, this has lead the way for the implementation of Lingaw Ang Bata: A Modified Learning Activity Sheet as an urgent response to assure continuity of education. This study address pupils learning difficulty in this modular learning before and after employing the Lingaw Ang Bata: A Modified LAS. The researchers use the qualitative interview as the main instrument in research design. Furthermore, an interview was conducted to get the responses of the respondents on how the program helped them in improving their learning difficulty in modular learning. The study revealed that before employing the intervention, the gain score of the students is low. On the other hand, after employing the intervention, the learning difficulty in each competency reached Closely Approximating Mastery. In addition, the respondents mentioned that this program helped them utilized the LAS that was made easier to let them explore, discover and increase their level of understanding in answering the Science competency in quarter 1 providing us with different methods and strategies to make it easier for them on how to use them effectively. Moreover, it is recommended that Lingaw Ang Bata: A Modified LAS should be utilized by the Science teachers in schools especially the Grade 5.