Lesson planning Teaching 47 Effective teaching 27 Classroom management 21 Education 10 Study and teaching 10 Training of 10 Teachers 8 Methodology 7 Activity programs in education 6 Aids and devices 6 Curricula 6 Aims and objectives 5 Physical education and training 5 Study and teaching (Secondary) 5 Individualized instruction 4 Study and teaching (Elementary) 4 Teacher-student relationships 4 Design 3 Educational psychology 3 Elementary school teaching 3 Instructional systems 3 Interdisciplinary approach in education 3 Language and languages 3 Mathematics 3 Educational tests and measurements 2 Learning 2 Mathematics teachers 2 Middle school teaching 2 Motivation in education 2