This study aims to describe: (1) the effectiveness of the discovery learning model in terms of mathematical communication skills and mathematical resilience of junior high school students; (2) the effectiveness of the collaborative learning model in terms of mathematical communication skills and mathematical resilience of junior high school students; (3) the difference in effectiveness between the discovery learning and collaborative learning models on the mathematical communication skills and mathematical resilience of junior high school students. This research is quasi-experimental study, with a design design Pretest and Posttest Design. The results of the study showed: (1) the discovery learning model was effectively reviewed from the mathematical communication ability and mathematical resilience of students (2) the collaborative learning model was effectively reviewed from the mathematical communication ability and mathematical resilience of students; and (3) the discovery learning model had the same effectiveness as the collaborative learning model. There was no difference in average mathematical communication skills and mathematical resilience between students who learned using the discovery learning and collaborative learning models. Therefore, no superiority test was carried out to see which model was superior. Keywords: Discovery Learning, Collaborative Learning, Mathematical Communication, Mathematical Resilience
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