0580/11 Oct/Nov 2021, Question 1: Introduction to Percentages
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 3 marks
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The question, in short
Complete a table linking fractions, decimals and percentages, filling the missing values for 0.25 and for 1/5.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 10.25 = 25/100 = 1/4
- 20.25 × 100 = 25%
- 31/5 = 1 ÷ 5 = 0.2 (= 20%)
Answer| Fraction | Decimal | Percentage | | 1/4 | 0.25 | 25 | | 1/5 | 0.2 | 20 |
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