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Calistung skills (reading, writing, arithmetic) must be mastered by students as a basis for literacy and numeracy. The lack of understanding of Calistung causes students to have difficulty understanding other subject matter. This study aimed to develop and examine the feasibility, practicality, and effectiveness of the calistung electronic module in strengthening students' basic literacy and numeracy. This research is a type of research and development with the ADDIE model. Researchers collected data using questionnaires, document checklists, and documentation. The research subjects were first grade students with a total of 30 students. Based on the expert validation tests were in the very category legitimate. The results of the t-test show that there is a significant increase after receiving a different treatment, namely by using the Calistung e-Module. It can be concluded that the calistung e-module is practical, interesting, and effective as a learning medium.
Sufianti et al. (Tue,) studied this question.