Cambridge IGCSE Mathematics (0580) Mark Scheme Decoder

Select a question type below to see exactly what earns and loses marks, then use the Practice tab to write and self-mark your own answers.

Cambridge IGCSEMathematics0580

Mark Scheme Decoder

Pick a question type to see exactly what the examiner wants — then try a practice question and get instant auto-marked feedback.

Select question type

🎯

What the examiner actually wants

2 marks

Show a correct method even if the arithmetic is wrong. The examiner awards M marks for the process, not just the answer. Never skip steps.

Mark point checklist

1Correct method / process demonstrated (earns M mark)
2Correct answer from correct working (earns A mark)

✅ Earns marks

  • →Write every step of your working
  • →Label what formula you're using
  • →Show substitution before evaluating

❌ Loses marks

  • ✗Correct answer with no working — risks losing M mark if answer is slightly wrong
  • ✗Crossing out correct working
  • ✗Using a rounded intermediate value mid-calculation

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