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The abundance of chemical concepts and general chemistry lessons that tend to be monotonous and have not yet considered the ability of mathematical thinking to cause problems in learning that resulted in low student learning outcomes. The purpose of this research is to know the influence of learning model and mathematical thinking ability toward General Chemistry study result, also interaction between learning model through laboratory usage and mathematical thinking ability. This research is an experimental research using PBL and DI model. The learning result data is obtained from general chemistry study result test and mathematical thinking ability data is obtained through the test of mathematical thinking ability which has all been validated. The data analysis technique used two way analysis of variance (ANOVA). The result of the research shows that there is a significant effect of the learning model on the students ‘learning outcomes in the General Chemistry course and there is interaction between the learning model using the laboratory with the ability to think mathematically on the students’ General Chemistry students learning outcomes. This research concludes that the PBL model using laboratories is well used in general chemistry learning, and preferably in teaching general chemistry courses, the lecturer considers students’ mathematical thinking skills.

Application of PBL Using Laboratory and Mathematical Thinking Ability to Learning Outcomes of General Chemistry Course