“…A development approach was used to design, develop and test the effectiveness of Indonesian language teaching materials for grade 4 elementary school students. This development method refers to the R&D (Research and Development) design model which has been explained by several previous researchers, such as (Fitriyani, 2022;Yulianti et al, 2016;Zesra, 2020). The development approach allows researchers to pay attention to various aspects in creating teaching materials, including identification of learning needs, curriculum analysis, learning strategies, selection of learning materials, formative evaluation, and revision.…”