1 Introduction.- Part I. Teacher Education in South Korea.- 2 Backgrounds of Teacher Education System in South Korea.- 3 Types and Contents of Teacher Education in Korea.- Part II. Teacher Perspectives and Practices with KLLs.- 4 Literature Review and Framework.- 5 Methods: Mixed-Methods Research Design.- 6 Results from Teacher Survey: Korean Teachers' Perspectives on Teaching Mathematics for KLLs.- 7 Results from Case Study: Mathematics Lessons...