PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MELALUI MODEL PEMBELAJARAN KOOPERATIF ING NGARSA SUNG TULADHA DAN SNOWBALL THROWING

ABSTRACT IMPROVEMENT OF STUDENT’S MATHEMATICAL PROBLEM SOLVING SKILLS THROUGH COOPERATIVE LEARNING MODELS OF ING NGARSA SUNG TULADHA AND SNOWBALL THROWING EAGERNESS SIHOMBING NIM: 1522002 This research is motivated by students' mathematical problem solving ability which is not yet high. The mathematical problem solving ability is…