0580/11 Oct/Nov 2025, Question 11: Directed Numbers
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 2 marks
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The question, in short
Using midnight temperature −2°C and noon temperature 5°C, find the gap between them and the 9 am reading that is 8°C above midnight.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Work out the difference between the temperatures −2°C and 5°C.
- 1Difference = 5 − (−2) = 7°C
Answer7
Part (b) · 1 mark
Find the 9 am temperature, which is 8°C higher than the midnight value of −2°C.
- 1−2 + 8 = 6°C
Answer6
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