PENERAPAN MODEL PEMBELAJARAN TWO STAY TWO STRAY BERBANTUAN PADLET UNTUK MENINGKATKAN KEMAMPUAN REPRESENTASI MATEMATIS MURID

Mathematical representation ability is a crucial skill in mathematics learning. However, this ability remains suboptimal, and the learning process has not yet fully engaged students actively. This study aims to describe the implementation of the Padlet-assisted "Two Stay Two Stray" learning model and to identify improvements in students' mathematical representation abilities. The study employed the Kemmis and McTaggart Classroom Action Research model, conducted over two cycles. The subjects were 27 students from class X-3 at SMA Negeri 1 Gunungsitoli Utara. Data were collected through tests, observations, interviews, and documentation, and subsequently analyzed using both quantitative and qualitative descriptive approaches. The results indicate that the learning process was active, collaborative, and student-centered. In Cycle II, the implementation of the learning model reached 93.33% (rated "very good"), student engagement reached 95.41% (rated "high"), and student response reached 85.05% (rated "very positive"). The average score for mathematical representation ability increased from 32.23 in the pre-cycle stage to 64.81 in Cycle I and 80.56 in Cycle II. The classical mastery rate rose from 37.04% in Cycle I to 88.89% in Cycle II, with 24 out of 27 students achieving mastery. Thus, the implementation of the Padlet-assisted "Two Stay Two Stray" learning model can enhance the mathematical representation abilities of class X-3 students at SMA Negeri 1 Gunungsitoli Utara.