IGCSE Maths Past Papers: Bounds & SF
Hub: IGCSE maths past papers — Cambridge & Edexcel.
Bounds and significant figures punish careless rounding. Past papers teach upper/lower bound language examiners expect.
Practice checklist
| Topic | Past paper focus |
|---|---|
| SF and DP | First 10 questions on many papers |
| Error intervals | Show inequality notation |
| Calculations with bounds | Do not round early |
Hub: maths past papers · Number topic
Frequently asked questions
Bounds on Foundation?
Check your board tier — some topics are Higher-only on Edexcel.
Calculator bounds?
Store full calculator value; round only at end per question instruction.
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