IGCSE Practice

IGCSE Numbers — Estimation Practice Core

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

How to approach estimation — open the study guide

Estimation on IGCSE 0580

Round each value to 1 significant figure, then compute. Good for sanity-checking calculator answers.

Practice exercises

Exercise 1 — Cambridge IGCSE 0580 Jun 2025 Paper 11 Q17

Cambridge past paper 2 marks Paper 11 Jun 2025
IGCSE 0580 Jun 2025 Paper 11 Question 17 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Jun 2025 Paper 11 Q17

Exercise 2 — Cambridge IGCSE 0580 Nov 2025 Paper 11 Q19

Cambridge past paper 2 marks Paper 11 Nov 2025
IGCSE 0580 Nov 2025 Paper 11 Question 19 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Nov 2025 Paper 11 Q19

Exercise 3 — Cambridge IGCSE 0580 Jun 2025 Paper 12 Q17

Cambridge past paper 2 marks Paper 12 Jun 2025
IGCSE 0580 Jun 2025 Paper 12 Question 17 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Jun 2025 Paper 12 Q17

Exercise 4 — Cambridge IGCSE 0580 Jun 2025 Paper 13 Q13

Cambridge past paper 2 marks Paper 13 Jun 2025
IGCSE 0580 Jun 2025 Paper 13 Question 13 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Jun 2025 Paper 13 Q13

Exercise 5 — Cambridge IGCSE 0580 Jun 2024 Paper 11 Q14

Cambridge past paper 2 marks Paper 11 Jun 2024
IGCSE 0580 Jun 2024 Paper 11 Question 14 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Jun 2024 Paper 11 Q14

Exercise 6 — Cambridge IGCSE 0580 Mar 2024 Paper 12 Q2

Cambridge past paper 1 mark Paper 12 Mar 2024
IGCSE 0580 Mar 2024 Paper 12 Question 2 — Estimation (Core, 1 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Mar 2024 Paper 12 Q2

Exercise 7 — Cambridge IGCSE 0580 Jun 2023 Paper 11 Q14

Cambridge past paper 2 marks Paper 11 Jun 2023
IGCSE 0580 Jun 2023 Paper 11 Question 14 — Estimation (Core, 2 marks)
Show mark scheme
Mark scheme for IGCSE 0580 Jun 2023 Paper 11 Q14

Other Numbers subtopics