SUMMARY
The aim of this study is to determine the application of cooperative learning strategies, students' thinking skills and the correlation between cooperative learning strategies and students' thinking skills in Class V social studies subjects of MI Manbaul Falah Sidorejo Pamotan Rembang for the academic year 2022. This research was quantitative, this research used correlational techniques, the subjects of research who became the population in this study were 98 students in the form of random sampling with identification, sampling and random sample selection. The data collections used in this research were questionnaires to determine the implementation of cooperative learning strategies, and test instruments to determine students' thinking skills that have been tested for validity and reliability. There was a correlation of rxy = 0.804 and the level of cooperative learning strategies on students' thinking skills was 64%. The relationship between cooperative learning strategies and students' thinking skills in class V social studies subjects at MI Manbaul Falah Sidorejo Pamotan Rembang for the academic year 2022 was real. It was consulted with the frequency distribution table of values with N = 37, it was found that the r-table for a significant level of 5% 0.254 and a significant level of 1% = 0.33, while the r-count is 0.80, then the r-count value was greater than the r-table. The results showed an increase in students' skills, understanding and academic achievement after applying cooperative learning strategies with thinking skills, and there was a positive relationship between cooperative learning strategies and students' thinking skills.