0580.C1.4.04 — decimals.: past paper questions

Real questions on 0580.c1.4.04 — decimals.

The newest 20 of 102 written questions. Open one to see it on the real paper.

1. 0580/11 · May/June 2026 · Q5a[1]
   5 (a) Write $\frac{1}{2}$ as a decimal.See it on the paper →
2. 0580/12 · May/June 2026 · Q4[1]

   1-mark question — its maths and diagrams are best seen on the paper.

   See it on the paper →
3. 0580/12 · May/June 2026 · Q5a[1]
   (a) Write $65432$ correct to the nearest hundred.See it on the paper →
4. 0580/12 · May/June 2026 · Q5b[1]
   (b) Write $0.04857$ correct to 3 decimal places.See it on the paper →
5. 0580/12 · May/June 2026 · Q8[1]
   [Diagram: A triangle with a vertical height line from the top vertex to the base, marked with a right-angle symbol. The height is labelled $6\text{ cm}$. The base is labelled $10\text{ cm}$. The text "NOT TO SCALE" appears to the right of the triangle.] Work out the area of the triangle. ${\text{cm}}^2$ [1]See it on the paper →
6. 0580/12 · May/June 2026 · Q26a[1]
   26 Write these numbers in standard form. (a) 6320See it on the paper →
7. 0580/12 · May/June 2026 · Q26b[1]
   26 Write these numbers in standard form. (b) $0.0258$See it on the paper →
8. 0580/13 · May/June 2026 · Q18b[2]
   (b) Write $5^{-1}$ as a decimal.See it on the paper →
9. 0580/21 · May/June 2026 · Q13a[2]
   13 (a) Work out. $0.9\dot{2}\dot{4}-0.213$ Give your answer as a decimal correct to 5 decimal places.See it on the paper →
10. 0580/21 · May/June 2026 · Q13b[2]
    (b) Write $0.6\dot{7}$ as a fraction.See it on the paper →
11. 0580/23 · May/June 2026 · Q9a[1]
    (a) Write $7.83\times 10^{-2}$ as an ordinary number.See it on the paper →
12. 0580/23 · May/June 2026 · Q9b[2]
    (b) Work out. $(5.5\times 10^6)\times (2\times 10^{-3})$ Give your answer in standard form.See it on the paper →
13. 0580/32 · May/June 2026 · Q4a[1]
    4 Calculate. (a) $\sqrt[3]{1.728}$See it on the paper →
14. 0580/32 · May/June 2026 · Q4b[1]
    4 Calculate. (b) $\frac{18}{0.2^2-0.36}$See it on the paper →
15. 0580/32 · May/June 2026 · Q7[2]
    7 Sian uses 2.7 litres of paint to cover $\frac{3}{5}$ of a wall. Work out the total amount of paint she uses to cover the whole wall. ................................................ litres [2]See it on the paper →
16. 0580/43 · May/June 2026 · Q10b[2]
    10 Llew cycles to school. (b) Llew cycles to school at an average speed of 18.9 kilometres per hour. Write this speed in metres per second.See it on the paper →
17. 0580/12 · February/March 2026 · Q3a[1]
    (a) Write $0.47$ as a percentage. ....................................................................% [1]See it on the paper →
18. 0580/12 · February/March 2026 · Q3b[1]
    (b) Write $\frac{9}{100}$ as a decimal.See it on the paper →
19. 0580/12 · February/March 2026 · Q25[2]
    25 By writing each number in the calculation correct to 1 significant figure, work out an estimate for the value of $\frac{0.43\times 22.8}{13.7}$ .See it on the paper →
20. 0580/22 · February/March 2026 · Q1a[1]
    1 Work out. (a) $0.7^2$See it on the paper →

What examiners said

Comprehensive responses • Those who understood ‘writing to one significant figure’ usually rounded two of the numbers correctly. • Candidates well practised on this type of question often made arithmetic slips due a decimal number being involved, even when using correct cancelling before multiplication. Limited responses • Incorrect rounding was common, particularly 0 or 4 for 0.43 while the othe...

— Examiner report, February/March 2026, 0580/12 Q25 (Cambridge)

Comprehensive responses • Many candidates correctly answered this question usually with little or no working shown. 7 7 49 • Some used fractions so = and then they correctly converted this to a decimal. 10 10 100 Limited responses • Some completed the multiplication correctly then inserted the decimal point in the incorrect place giving answers such as 4.9 or 0.049. • Some misinterpreted 0.72 as...

— Examiner report, February/March 2026, 0580/22 Q1(a) (Cambridge)

Candidates were more successful here than with the previous part. Wrong answers included 3 and 0.3, showing that some candidates did not understand the positions of hundredths in a decimal number.

— Examiner report, May/June 2025, 0580/11 Q8(b) (Cambridge)