How to revise Computational Thinking
Computational Thinking questions reward clear reasoning as well as a final answer. This revision guide is a starting point for using the available papers; it is not the official syllabus or a promise about future exams.
Revision focus
Algorithm tracing; decomposition; conditions; loops; data representation
Useful prior knowledge
Arithmetic and logical statements
Common mistakes
Applying a loop update before testing the condition or missing an edge case
Use these papers effectively
Build a trace table with one row per iteration. State what each variable means and test the smallest valid input. After checking a solution, solve the question again without looking and record the specific step you missed.
Revision guidance only. Check your current official course materials for the assessed syllabus.