Improving Grade 1 Students’ Learning Outcomes in Mathematics Learning on Addition Story Problems Through the UPTD Role Playing Method at SDN 191 BARRU. JIME [Internet]. 2025 Jan. 24 [cited 2026 Sep. 24];11(1):330-3. Available from: https://ejournal.mandalanursa.org/index.php/JIME/article/view/8326