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Subroutines, parameters, return values and scope

AQA 75174.1 L5A-levelLesson packSubscription
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This worksheet marks itself

Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 11 questions
  • 30 marks
  • about 35 minutes
  • marked instantly

Question types: short answer, multiple choice, matching, true or false.

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Try one from this worksheet

Main runs int level = 4; then Boost(level); then Console.WriteLine(level); static void Boost(int n) { n = n * 10; } State what is printed.

Pick an answer: it's marked straight away, just as your pupils would see it.

About this resource

AQA A-level Computer Science (7517) 4.1.1.10 Subroutines · 4.1.1.11 Parameters · 4.1.1.12 Returning values · 4.1.1.13 Local variables · 4.1.1.14 Global variables. C# lesson 5 of 10 in 4.1 Programming: a spot-the-mistakes Do Now, a short key idea, an 11-challenge ladder in three sets with exact te…

15 slides.

Lesson outline

  1. Do Now: spot the 3 mistakes
  2. Do Now: answers
  3. Key idea: Functions, procedures and interfaces
  4. Key idea: Value or reference? Local or global?
  5. Set 1: functions and procedures
  6. Set 2: value, reference and out
  7. Exam question E1: subroutines
  8. Model answer E1
  9. Exam question E2: value or reference?
  10. Model answer E2
  11. Set 3: local and global
  12. Finished? subroutines that work together
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