4024/12 Oct/Nov 2023, Question 3: Converting Fractions to Decimals
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 3 marks
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The question, in short
Three short arithmetic tasks: find a midpoint between a fraction and a percentage, round a decimal, and evaluate a cube root.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Find the decimal value exactly halfway between 3/5 and 68%.
- 13/5 = 0.6 and 68% = 0.68
- 2(0.6 + 0.68) ÷ 2 = 0.64
Answer0.64
Part (b) · 1 mark
Write 4.073 82 rounded to 3 decimal places.
- 14.073|82: next digit 8 rounds up
- 24.074
Answer4.074
Part (c) · 1 mark
Evaluate the cube root of 64.
- 14 × 4 × 4 = 64
- 2∛64 = 4
Answer4
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