This research is motivated by the need for visual media for abstract material and the urgency of strengthening 21st-century skills in elementary schools. This study aims to develop Augmented Reality (AR) media integrated with Deep Learning and describe students' problem-solving abilities. The research method applied is Research and Development (R&D) using the ADDIE model. The research subjects involved 38 fifth-grade students of SDN 1 Pagelaran. Data collection was carried out through an open-ended, problem-based essay test analyzed quantitatively. The results of the field trial showed a very positive level of problem-solving achievement in a classical manner. A total of 20 students (52.63%) achieved the very high category, 7 students (18.42%) the high category, and 11 students (28.95%) the medium category, with no low results. These empirical findings prove that the visualization of an immersive learning environment is able to concretize abstract material and stimulate children's analytical reasoning. The conclusion of the study confirms that this AR media is very feasible and effective in functioning as a learning innovation to train 21st-century problem-solving skills.
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