4MA1/1FR Jun 2024, Question 10: Unit Conversions
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 4 marks
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The question, in short
Using the rule multiply by 1.8 then add 32 to convert Celsius to Fahrenheit, convert temperatures in both directions between °C and °F.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Part (a) · 2 marks
Convert 175°C to °F using the given rule.
- 1175 × 1.8 = 315
- 2315 + 32 = 347
Answer347
Part (b) · 2 marks
Convert 482°F to °C by reversing the rule.
- 1482 − 32 = 450
- 2450 ÷ 1.8 = 250
Answer250
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