<![CDATA[This study is motivated by the use of lecture methods that are less preferred by students, low understanding of concepts in plane figure area, and the lack of learning media in learning mathematics. This study aims to describe the implementation of the Problem Based Learning model assisted by puzzle lubang datar media to improve student learning outcomes in the knowledge aspect and describe student learning outcomes in the aspects of attitudes and skills on the material of flat area of flat area of grade V students of Wonolopo 02 State Elementary School. The type of research used is descriptive qualitative. The data collection techniques used were tests and non-tests. Tests in the form of pretests and posttests and non-tests in the form of interviews, observations, attitude assessment rubrics, and skill assessment rubrics. The data analysis technique used was descriptive analysis. The results showed that there was an increase in the average score from pretest to posttest, which amounted to 24.81. The percentage of students who completed also increased, the percentage of pretest students who completed 19.23%, while the percentage of posttest students who completed 73.08%. In the attitude aspect, it reached the good category with the percentage of students who reached the completeness criteria ≥ 3 in the indicators of confidence 76.92% and cooperation 80.77%. In the skill aspect, it also reached the good category with the percentage of students who reached the completion criteria ≥ 3 in the indicators of confidence 76.92%, cohesiveness 73.08%, and delivery of results 76.92%. So that implementing the Problem Based Learning learning model assisted by puzzle lubang datar media in plane figure area for fifth grade students of Wonolopo 02 State Elementary School can improve student learning outcomes in the knowledge aspect and the achievement of student learning outcomes well in the aspects of attitude and skills.]]>
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