The development of the revolution era 4.0 which increasingly rapidly demands the wider community to have the ability to think creatively mathematically. One effort to improve the ability to think creatively is through quality education. Quality education can be improved through to train thinking using the right learning model. This study aims to see which results are more effective in improving students' thinking skills between the two learning models applied. The two models are Problem Based Learning (PBL) and Aptitude Treatment Interaction (ATI) models. This research method uses quasi experimental method with a posttest only control test design not control group. This study uses two group subjects with two experimental classes. The analysis of the data used the hypothesis testing of the non-correlated 2-sample t-test. Based on the research results obtained Aptitude Treatment Interaction (ATI) models have a better effect on students' creative thinking abilities compared to Problem Based Learning (PBL) models.

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This study aims to determine whether the modification of learning models Gerlach and Ely through the integration of Islamic values can improve the ability of mathematical representation of learners. This research uses Pre-Experimental Design method with one-group pretest-posttest type. The prerequisite analysis test was performed by Liliefors test for normality and F test for homogeneity, then the data were analyzed by using N-Gain test and correlated t-test. The results of the analysis show that the mathematical representation of learners increases after using modified Gerlach and Ely learning models that are integrated with Islamic values rather than the mathematical representation of learners before using modified Gerlach and Ely learning models through the integration of Islamic values.