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4MA1/1FR Jun 2024, Question 5: Directed Numbers

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 4 marks

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The question, in short

Using five cities' January temperatures, order the values and calculate temperature differences and changes for Winnipeg and Austin.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Arrange the five given temperatures from smallest to largest.

  1. 1List the temperatures: −8, 24, −3, 12, −14
  2. 2Order from smallest to largest: −14, −8, −3, 12, 24

Answer−14, −8, −3, 12, 24

Part (b) · 1 mark

Find the difference between the Yinchuan and Valencia temperatures.

  1. 1Temperature in Yinchuan: −8°C
  2. 2Temperature in Valencia: 12°C
  3. 3Difference: 12 − (−8) = 12 + 8 = 20

Answer20

Part (c) · 1 mark

Find Winnipeg's temperature, 13°C lower than Tallinn's.

  1. 1Temperature in Tallinn: −3°C
  2. 2Winnipeg is 13°C lower: −3 − 13 = −16

Answer−16

Part (d) · 1 mark

Find Austin's temperature, 25°C higher than Saskatoon's.

  1. 1Temperature in Saskatoon: −14°C
  2. 2Austin is 25°C higher: −14 + 25 = 11

Answer11

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