Estimation: past paper questions

Where the questions come from

• Question 9Oct/Nov 2025, paper 11Structured2 marks

  By writing each number correct to 1 significant figure, work out an estimate for the value of (√102.5 × 8.7)/27.

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• Question 7Oct/Nov 2024, paper 11Structured2 marks

  By writing each number correct to 1 significant figure, calculate an estimate for the value of $$\frac{3.1\times 26.7}{6.9-2.3}$$ By writing each number correct to 1 significant figure, calculate an estimate for the value of $$\frac{3.1\times 26.7}{6.9-2.3}$$

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• Question 7Oct/Nov 2023, paper 11Structured2 marks

  By writing each number correct to 1 significant figure, estimate the value of $$\frac{53.7}{2.61+7.48}\mathrm{.}$$ By writing each number correct to 1 significant figure, estimate the value of $$\frac{53.7}{2.61+7.48}\mathrm{.}$$

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• Question 9May/June 2025, paper 12Structured2 marks

  The diagram shows a rectangle. By writing each number correct to 1 significant figure, find an estimate for the area of the rectangle.

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• Question 1Oct/Nov 2024, paper 12Structured1 mark

  Write 43.07862 correct to 3 decimal places.

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• Question 3Oct/Nov 2023, paper 12Structured3 marks

  Find the decimal which is exactly halfway between 3/5 and 68%.

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• Question 15May/June 2024, paper 11Structured2 marks

  By writing each number correct to one significant figure, estimate the value of $$\frac{2.87\times \sqrt{396.5}}{{1.92}^2}\mathrm{.}$$ By writing each number correct to one significant figure, estimate the value of $$\frac{2.87\times \sqrt{396.5}}{{1.92}^2}\mathrm{.}$$

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• Question 10Oct/Nov 2023, paper 12Structured2 marks

  By writing each number correct to 1 significant figure, estimate the value of √((1240 × 3.8)/11.2).

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• Question 11May/June 2024, paper 12Structured2 marks

  By writing each number correct to 1 significant figure, estimate the value of $$\frac{5.32+3.97}{\sqrt{878}}$$ By writing each number correct to 1 significant figure, estimate the value of $$\frac{5.32+3.97}{\sqrt{878}}$$

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• Question 11May/June 2023, paper 12Structured2 marks

  By writing each number correct to 1 significant figure, estimate the value of (18.2³)/0.395 By writing each number correct to 1 significant figure, estimate…

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