This document discusses different types of thinking including perceptual/concrete thinking, abstract thinking, reflective/logical thinking, creative thinking, critical thinking, convergent thinking, and divergent thinking. It defines thinking according to various scholars and describes the key characteristics and processes of different thinking types. The document also outlines stages of creative thinking and ways to develop creative thinking in pupils, as well as components and skills of metacognition such as metacognitive knowledge, regulation, experience, awareness, planning, monitoring and evaluating.