Limits of accuracy: past paper questions

Where the questions come from

• Question 22May/June 2026, paper 11Structured2 marks

  The time, $t$ seconds, for the winner of a race is 12.7 seconds, correct to 3 significant figures. Complete this statement about the value of $t$.

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• Question 26Oct/Nov 2025, paper 12Structured2 marks

  The length, $l$ metres, of a rope is 16.32 metres, correct to 2 decimal places. Complete this statement about the value of $l$.

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• Question 17Oct/Nov 2024, paper 11Structured2 marks

  A distance, $d$ metres, measures $34.6\text{ m}$, correct to the nearest $0.1\text{ m}$. Complete this statement about the value of $d$.

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• Question 22Oct/Nov 2023, paper 11Structured2 marks

  The length, $s$ metres, of a ship is $287\text{ m}$, correct to the nearest metre. Complete this statement about the value of $s$.

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• Question 5May/June 2026, paper 12Structured2 marks

  Write 65432 correct to the nearest hundred.

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• Question 20Oct/Nov 2025, paper 13Structured2 marks

  The height, $h\text{ cm}$, of a door is 180cm, correct to the nearest centimetre. Complete this statement about the value of $h$.

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• Question 5Oct/Nov 2024, paper 12Structured2 marks

  Write 53 683.588 correct to the nearest hundred

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• Question 23May/June 2026, paper 32Structured2 marks

  The mass, $m$ grams, of some butter is 650 grams, correct to the nearest 50 grams. Complete this statement about the value of $m$.

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• Question 22Oct/Nov 2025, paper 31Structured5 marks

  A train to town $P$ leaves a station every 20 minutes. A train to town $Q$ leaves the same station every 35 minutes. Both trains leave at 0930.

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• Question 20Oct/Nov 2024, paper 13Structured2 marks

  The weight, $w$ grams, of a box is 463.9 grams, correct to 1 decimal place. Complete the statement about the value of $w$.

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• Question 23May/June 2023, paper 12Structured3 marks

  The mass, $m$ kilograms, of object $A$ is $350\text{ kg}$, correct to the nearest $10\text{ kg}$. Complete this statement about the value of $m$.

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• Question 13Oct/Nov 2025, paper 32Structured2 marks

  Find the value of 8^5.

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• Question 1May/June 2023, paper 13Structured1 mark

  Write 928 correct to the nearest ten.

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• Question 17Oct/Nov 2025, paper 33Structured1 mark

  Write 46.179 correct to 4 significant figures.

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• Question 1May/June 2024, paper 11Structured3 marks

  Write 0.8 as a fraction.

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• Question 13May/June 2023, paper 13Structured2 marks

  By writing each number in the calculation correct to 1 significant figure, find an estimate for the value of $$\frac{6.8\times 10.6}{3.2-0.98}\mathrm{.}$$ You must show all your working.

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• Question 22May/June 2025, paper 12Structured2 marks

  The mass, $m\text{ kg}$, of a stone is $3.2\text{ kg}$, correct to the nearest $100\text{ g}$. Complete this statement about the value of $m$.

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• Question 22May/June 2024, paper 12Structured2 marks

  The length, $l$ metres, of a piece of material is $4.5\text{ m}$, correct to the nearest $10\text{ cm}$. Complete this statement about the value of $l$.

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• Question 8May/June 2023, paper 33Structured9 marks

  The length, $l\text{ m}$, of a piece of wire is $18.7\text{ metres}$, correct to the nearest $10\text{ centimetres}$. Complete the statement about the value of $l$.

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• Question 27May/June 2025, paper 31Structured2 marks

  The height, $h$ metres, of a building is $105\text{ m}$, correct to the nearest metre. Complete this statement about the value of $h$.

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• Question 18May/June 2024, paper 13Structured2 marks

  The length, $s$ metres, of a ship is $83\text{ m}$, correct to the nearest metre. Complete this statement about the value of $s$.

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