<![CDATA[In the eleven TAV (audio video technique) grade Mathematics learning activities SMKN 2 Samarinda uses a learning model that is still centered on the teacher by using the lecture method. The use of learning models is not right resulting in low understanding of students, as evidenced when students are given tests only 22.23% of students who complete KKM Therefore it is necessary to change the learning model in order to improve student understanding by implementing the Project Based Learning (PjBL) learning model SMKN 2 Samarinda 2022 year. This Classroom Action Research was conducted in two cycles. Each cycle consists of two meetings and each meeting consists of 2 to 3 hours of study. The results of the research conducted showed that the Project Based Learning (PjBL) learning model was able to increase student understanding. achievement of the test obtained in the first cycle of 70, 37% of students achieved the KKM value and increased in the second cycle of 92.59% of students achieved the KKM value. Thus it can be concluded that the Project Based Learning (PjBL) learning model can increase the understanding of eleven TAV (audio video technique) grade students SMKN 2 Samarinda in Mathematics subject subject to the volume of building cubes and blocks.]]>
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