Theory of Knowledge (TOK)

IB DP TOK | How Historians Know What They Know Lesson Walkthrough

Students apply the CARGO source-evaluation framework and compare historical interpretations to examine how historians justify claims about the past.

IB DP TOK | Is Mathematics Invented or Discovered Lesson Walkthrough

Students debate four philosophical positions, sort mathematical objects and consider connections between abstract mathematics and physical reality.

IB DP TOK | Mathematics Beauty and Intuition Lesson Walkthrough

Students rate mathematical beauty, compare approaches to proof and take part in an intuition tribunal to examine the roles of elegance, imagination and intuition.

IB DP TOK | Methods in the Human Sciences Lesson Walkthrough

Students compare quantitative and qualitative approaches, design a study and examine replication and the challenges of researching human behaviour.

IB DP TOK | Moral Frameworks Lesson Walkthrough

Students apply consequentialism, deontology and virtue ethics to moral dilemmas and defend a framework in a structured classroom debate.

IB DP TOK | Perspective Bias and Revisionism in History Lesson Walkthrough

Students compare textbook accounts, examine the influences on a historian’s perspective and discuss how to distinguish revision from distortion.

IB DP TOK | How Science Produces Knowledge Lesson Walkthrough

Students sort scientific and non-scientific claims, design falsifiable hypotheses and consider how evidence, creativity and changing explanations shape science.

IB DP TOK | Science Ethics and Values Lesson Walkthrough

Students map the role of values in science, analyse research case studies and discuss funding choices and the communication of scientific knowledge.

IB DP TOK | Logical Fallacies Lesson Walkthrough

Students analyse a fictional group chat, identify common logical fallacies and reconstruct arguments through a classroom tribunal activity.

IB DP TOK | The Nature of Mathematical Knowledge Lesson Walkthrough

Students explore proof by contradiction, debate whether 0.999… equals 1 and use infinity paradoxes to question certainty and the limits of mathematical knowledge.