This research aimed to enhance early childhood education in understanding basicaddition operations. The study utilized a Classroom Action Research (CAR)approach, conducted over two cycles with a total of six sessions, incorporating theProblem-Based Learning (PBL) and Direct Instruction (DI) models. A total of 12children participated in the study. Data were collected through observation,interviews, and documentation, and analyzed using descriptive methods. Thefindings revealed notable progress: in the first cycle, student engagement reached77%, categorized as moderately active, and increased to 86% in the second cycle,classified as highly active. These results indicate that the implementation of theProblem-Based Learning and Direct Instruction models, supported by the use ofMathematical Intelligence Stick media, successfully met the targeted learningoutcomes. By the end of the intervention, 86% of children in Group B3 at TK NegeriPembina Banjarmasin Timur had reached the "Very Well Developed" (VWD) level
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