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Student' mathematics learning outcomes in the era of the industrial revolution 4.0 still have many problems. Meanwhile, teachers are required to be able to make innovations by involving technology. The purpose of this study is to produce a valid and appropriate mathematics e-module based on contextual problems. The research method used is Research & Development with the ADDIE model. The research participants were 78 students in 7th grade junior high schools who were selected purposively. The results showed that the e-module mathematics based on contextual problems developed was feasible to be used to improve student learning outcomes on set material. Student learning outcomes increase effectively due to the active involvement of students' mathematical knowledge, which is built from a digital real-life context. Researchers recommend that teachers and practitioners familiarize themselves with the use of e-module by integrating them with math problems that are close to students' lives. Article visualizations:
Rochsun et al. (Wed,) studied this question.