IGCSE Numbers — Estimation Practice Extended

3 Cambridge IGCSE 0580 questions on estimation at the Extended tier — each with its full mark scheme. For the Core tier on the same skill, click here.

Practice exercises

Exercise 1 — Cambridge IGCSE 0580 Nov 2025 Paper 22 Q10

Cambridge past paper 5 marks Paper 22 Nov 2025

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Exercise 2 — Cambridge IGCSE 0580 Mar 2025 Paper 22 Q9

Cambridge past paper 3 marks Paper 22 Mar 2025

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Exercise 3 — Cambridge IGCSE 0580 Jun 2023 Paper 21 Q4

Cambridge past paper 2 marks Paper 21 Jun 2023

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Other Numbers subtopics

• The four rules (Core, 256)
• The four rules (Extended, 163)
• Fractions, decimals and percentages (Core, 31)
• Operations with fractions (non calculator) (Core, 28)
• Bounds (Core, 22)
• Operations with fractions (non calculator) (Extended, 21)
• Indices (Core, 20)
• Fractions, decimals and percentages (Extended, 20)
• Bounds (Extended, 16)
• Simple and compound interest (Extended, 16)
• Indices (Extended, 14)
• Sets and Venn Diagram (non calculator) (Core, 13)
• Sets and Venn Diagram (non calculator) (Extended, 13)
• Ratio and proportion (Core, 13)
• Speed, distance, time problems (Extended, 13)
• Simple and compound interest (Core, 12)
• Estimation (Core, 10)
• Order quantities (Core, 6)
• Ratio and proportion (Extended, 6)
• Use directed numbers (non calculator) (Core, 5)
• Speed, distance, time problems (Core, 5)
• Order quantities (Extended, 2)
• Convert recurring decimal to fraction (Extended, 2)
• Fractions decimals and percentages (Core, 1)
• Speed distance time problems (Core, 1)
• Surds (Extended, 1)
• All math topics