0580/13 May/Jun 2024, Question 9: Directed Numbers
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
Given Tokyo at −5 °C and Manila at 18 °C, find the gap between the temperatures and Tokyo's value after a 4 °C rise.
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Part (a) · 1 mark
Calculate how much warmer Manila is than Tokyo, using −5 °C and 18 °C.
- 118 − (−5) = 18 + 5 = 23 °C
Answer23
Part (b) · 1 mark
Starting from −5 °C, work out Tokyo's temperature after it increases by 4 °C.
- 1−5 + 4 = −1 °C
Answer−1
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