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Limits of accuracy past paper questions

O Level Mathematics 4024 · Number. 1 Give upper and lower bounds for data rounded to a specified accuracy. 2 Find upper and lower bounds of the results of calculations which have used data rounded to a specified accuracy. e.g. write down the upper bound of a length measured correct to the nearest metre. Example calculations include: calculate the upper bound of the perimeter or the area of a rectangle given dimensions measured to the nearest centimetre find the lower bound of the speed given rounded values of distance and time.

In Cambridge O Level Mathematics 4024, Limits of accuracy came up in 23 of the 46 papers on Paperstreak, for about 3 marks a paper when it does. It last came up in October/November 2025.

Often set with Ratio and proportion, Equations, Surface area and volume, Cumulative frequency diagrams.

23 questions, newest first

  1. 4024/21/O/N/25 Question 19 · 3 marks
  2. 4024/22/O/N/25 Question 15 · 4 marks
  3. 4024/22/M/J/25 Question 23 · 3 marks
  4. 4024/11/O/N/24 Question 23 · 2 marks
  5. 4024/22/O/N/24 Question 1 part (e) · 3 marks
  6. 4024/12/M/J/24 Question 19 · 3 marks
  7. 4024/21/M/J/24 Question 5 part (b) · 2 marks
  8. 4024/21/O/N/23 Question 5 part (c) · 3 marks
  9. 4024/22/O/N/23 Question 10 part (b) · 3 marks
  10. 4024/11/M/J/23 Question 23 · 4 marks
  11. 4024/22/M/J/23 Question 6 part (c) · 3 marks
  12. 4024/21/O/N/22 Question 10 part (b) · 3 marks
  13. 4024/22/O/N/22 Question 5 part (c) · 3 marks
  14. 4024/12/M/J/22 Question 4 part (b) · 1 mark
  15. 4024/21/M/J/22 Question 3 part (c) · 3 marks
  16. 4024/22/M/J/22 Question 7 part (b) · 3 marks
  17. 4024/21/O/N/21 Question 10 part (a) · 3 marks
  18. 4024/22/O/N/21 Question 9 part (e) · 3 marks
  19. 4024/11/M/J/21 Question 22 · 2 marks
  20. 4024/12/M/J/21 Question 14 · 3 marks
  21. 4024/21/O/N/20 Question 2 part (c) · 3 marks
  22. 4024/22/O/N/20 Question 4 part (b) · 2 marks
  23. 4024/22/M/J/20 Question 2 part (b) · 3 marks

More in Number: Types of number, Sets, Powers and roots, Fractions, decimals and percentages, Ordering, The four operations, Indices I, Standard form, Estimation, Ratio and proportion, Rates, Percentages, Using a calculator, Time, Money, Exponential growth and decay, Surds.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.