This study aimed to determine the relationship of reward-giving and class participation of Grade IV students. It used quantitative method and employed a descriptive-correlational research design. Census method was used in gathering data among Grade IV students from the school which was located in one of the barangays in Davao City. Statistical mean was used to determine the level of reward-giving in terms of social and tangible reinforcement and class participation which was based on Bloom’s Taxonomy. Pearson Product-Moment Correlation Coefficient was used to determine the relationship between reward-giving and class participation. Findings revealed that the level of reward-giving in terms social reinforcement was rated moderate, while the level reward-giving in terms of tangible reinforcement was rated low. The level of class participation of students under the categories of remembering, understanding, applying and analyzing was rated high, but obtained moderate rating in the categories of evaluating and creating. There was a significant relationship between reward-giving in terms of social reinforcement and class participation. Moreover, there was no significant relationship between reward-giving in terms of tangible reinforcement and class participation.