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OCR (KS4)

KS3 & KS4 computing curriculum

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Computer Science
Year 10

Programming: iteration

9 lessons

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  • Algorithms and data structures
  • Impact of technology
  • Programming

Description

In this unit pupils discover how iteration is used to replicate parts of a program. They will analyse the difference between count and condition controlled iteration and how trace tables can be used to trace through loops. They will explore data validation techniques and robust program design.

At this stage in their programming journey, pupils are ready to deepen their understanding of how programs flow and how to build more robust, user-focused software. Strengthening these skills now ensures they can write code that not only works but also anticipates and handles errors. This progression supports their transition from basic sequences to more sophisticated problem-solving, helping them grow into confident, independent programmers ready for further study or real-world application.

  1. While loops
  2. Using trace tables
  3. For loops
  4. Nested loops
  5. Randomisation
  6. Validating data input in a program
  7. Designing robust programs
  8. Programming project: iteration I
  9. Programming project: iteration II
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