<![CDATA[This study was conducted to develop an Android-based learning application called Aljabar Go using the iSpring Suite platform, specifically for algebraic expressions. In addition to developing the application, this study also aimed to determine the extent to which the application meets standards of validity and practicality in its use. The approach used in this study was the Research and Development (R&D) method, following the ADDIE model which comprises five development stages. The research subjects consisted of 24 students from Class VII-C and one mathematics teacher. Data was collected via validation sheets and user response questionnaires, then analysed using a Likert scale. Based on the results obtained, the application received an average score of 3.50 from media experts, falling into the ‘highly valid’ category, and 3.34 from subject matter experts, falling into the ‘valid’ category. In terms of practicality, 89% of students gave a positive response, whilst 96% of teachers stated that the application was practical to use. Consequently, the Aljabar Go learning medium is deemed suitable for use as a support for the mathematics learning process, particularly for algebraic expressions]]>
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