The objective of this study is to know the increase of performance assessment in mathematics learning on Problem Based Learning (PBL) models and to find out the improvement of student’s mathematical understanding skills between problem based learning class and conventional learning class. The research design uses the non-equivalent control group design. The population is 7th grade students in SMP N 1, 2, and 3 Majalengka. The Samples are two classes which are being selected as PBL and conventional learning. The study uses a quasi-experimental method. The data has been collected using mathematical understanding abilities test and students’ performance instruments. The implementation of performance assessment is carried out in the learning process. The teacher observes students so that students’ performance in learning mathematics can be analyzed. The study shows that student performance assessment increased from the first meeting to the eighth meeting. Furthermore, the improvement of students mathematical understanding ability between problem based learning class and conventional learning class is significantly different.
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机译：本研究的目的是了解基于问题的学习（PBL）模型的数学学习性能评估的增加，并了解基于问题的学习类和传统学习类的学生数学认识技能的提高。研究设计使用非等效控制组设计。人口是SMP N 1,2和3年级的7年级学生。样品是两类被选择为PBL和常规学习。该研究采用了一种准实验方法。使用数学了解能力测试和学生的性能仪器来收集数据。执行性能评估的实施是在学习过程中进行的。老师观察学生，以便分析学生在学习数学方面的表现。该研究表明，学生绩效评估从第一次会议增加到第八次会议。此外，基于问题的学习类和传统学习类之间的学生数学认识能力的改善显着不同。
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