The Effect of Numbered Head Together (NHT) Cooperative Learning Model on Students' Mathematics Learning Outcomes on Collected Materials in Class VII SMP Swasta Jambi Medan

This study aims to determine: 1) student learning outcomes before applying the NHT type cooperative learning model in mathematics with Association Materials in Class VII SMP Swasta Jambi Medan, and 2) student learning outcomes after applying the Number Head Together (NHT) type cooperative learning model. in Mathematics with Set Materials in Class VII SMP Swasta Jambi Medan. The type of this research is classroom action research which is conducted in SMP Swasta Jambi Medan Class VII. The findings of this study indicate: (1) in the first cycle, the average score was 68 and as many as 11 students (36.67%) had achieved learning mastery while 19 students (63.33%) had not achieved learning mastery. In the first cycle, students' learning outcomes were obtained with an average value of 72 with learning completeness reaching 60.00% or as many as 18 students while 12 students (40.00%) had not achieved learning mastery scores. In the second cycle, students' learning outcomes were obtained with an average value of 77 with learning mastery reaching 90.00% or as many as 27 students while 3 students (10.00%) had not achieved learning mastery scores. From the results obtained, that the percentage of mathematics learning outcomes of seventh grade students of SMP Swasta Jambi Medan showed a very significant increase in each cycle. Keywords:Numbered Head Together (NHT) Cooperative Learning Model and Mathematics Learning Outcomes DOI: 10.7176/JEP/13-4-06 Publication date: February 28th 202