PENERAPAN PROBLEM-BASED LEARNING BERBASIS PERMAINAN “ULAR TANGGA” DALAM MENINGKATKAN PEMAHAMAN MATEMATIS PESERTA DIDIK SEKOLAH DASAR DI KOTA BANDUNG

This research is undermined by the fact that level of mathematical understanding in class 3B SDN 096 Sarijadi Selatan, Bandung for academic year 2022/2023 still low and, particular, has not properly understood concept materials taught. The use problem-based learning (PBL) model packed into game thematic snake staircase (ULTAMET) becomes one options to enhance learners. Problem-based learning, staircase," focuses on fun problem-solving activities. purpose this action general improve quality process classroom, and aim know how based Snake Staircase can students Selatan. study uses Kemmis McTaggart designs have four stages implementation research: planning, action, observation, reflection. instruments used include tests guidelines observation student Based results three cycles, it was shown that: 1) stairs Selatan; 2) basis N-gain test results, improvement learners 83.13% effectively interpreted, activity continued each cycle reached 86% with excellent categories. findings study, concluded Selatan increased after using a stairs.