Cambridge IGCSE Mathematics (0580) Mark Scheme Decoder

Select a question type to see exactly what earns and loses marks, then use the Practice tab to write your answer and get instant auto-marked feedback.

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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