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0580/13 Oct/Nov 2021, Question 8: Directed Numbers

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks

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The question, in short

Given midnight temperature −8 °C and noon temperature 6 °C, find the gap between them and the 7 am temperature that is 5 °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 midnight temperature of −8 °C and the noon temperature of 6 °C.

  1. 16 − (−8) = 14 °C

Answer14

Part (b) · 1 mark

Find the 7 am temperature, which is 5 °C higher than the midnight value of −8 °C.

  1. 1−8 + 5 = −3 °C

Answer−3

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Also searched as: 0580/13/O/N/21 · 0580_w21_qp_13 · 0580 w21 13 · question 8.
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