1. Introduction
In his landmark paper, Those Who Understand: Knowledge Growth in Teaching, Lee Shulman (1986)
introduced the concept of pedagogical content knowledge (PCK) and defined it as going beyond
content or subject matter knowledge to include knowledge about how to teach particular content.
In his work, to develop a theoretical framework, he raised important questions like “What are the
domains and categories of content knowledge in the minds of teachers?” and “How are content
knowledge and general pedagogical knowledge related?” (p. 9). This important work has
contributed a lot to teacher education programs. The pedagogical content knowledge concept
was extended by adding the technology component to it and thus TPCK was used to describe
teachers’ body of knowledge in terms of how they made ‘intelligent pedagogical uses of