Innovation in Algorithm Learning through “Bahasa Algo” and “Kartu Algo” in Informatics Subjects at SMA Negeri 1 Kalidawir

Algo Language is a semi-formal language designed to help students understand algorithms without requiring in-depth knowledge of programming languages. Meanwhile, Algo Cards are teaching aids used to teach algorithms in an interactive and fun way. This study aims to develop interactive teaching materials in the form of the Algo Language Module and Algo Cards to enhance students’ algorithmic abilities in the Informatics subject at SMAN 1 Kalidawir. The research employed a Research and Development (R&D) design using the ADDIE model, which includes the stages of analysis, design, and development. Research instruments consisted of questionnaires and structured interviews, and data were analyzed both qualitatively and quantitatively. The results revealed that: (1) the Algo Language Module and Algo Cards were successfully developed to facilitate students’ understanding of algorithmic concepts; (2) material expert validation obtained a score of 93.42% (highly feasible), while media expert validation achieved 90.38% (highly feasible); and (3) the small-group trial produced a feasibility score of 78.81% (feasible), which increased to 93.82% (highly feasible) in the large-group trial. These findings indicate that the developed interactive learning materials are feasible, easy to understand, effective, and capable of enhancing students’ motivation and comprehension in learning algorithms.