Edexcel IGCSE Mathematics mark schemes often award method marks when working is correct but the final answer is wrong. Past paper practice must train visible working, not only answers from a calculator.

Hub: maths past papers · Command words.

What earns method marks

Do	Example
Show formula before numbers	Area = ½ × b × h
Correct rearrangement	Linear equation steps
Correct method, arithmetic slip	M marks may still credit

What loses method marks

• No working on “show that” questions
• Leap from question to answer with no steps
• Wrong formula even if arithmetic perfect

Practise on past papers

After each 4MA1 paper, highlight questions where you got M but lost A — those are quick wins next time.

Frequently asked questions

Cambridge 0580 method marks?

Yes — similar idea — mark schemes guide.

“Show that” questions?

Must start from given information — never work backwards from answer only.

Calculator hide working?

Write key steps on paper anyway.

Common mistakes report?

Edexcel maths common mistakes.

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