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4024/11 Oct/Nov 2023, Question 3: Directed Numbers

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks

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The question, in short

Two short temperature calculations: find a value 20 degrees above −12 °C, and find the gap between −4 °C and 10 °C.

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

Part (a) · 1 mark

Starting from −12 °C, find the temperature that is 20 degrees warmer.

  1. 1−12 + 20 = 8 °C

Answer8

Part (b) · 1 mark

Find how much separates −4 °C from 10 °C.

  1. 110 − (−4) = 14 degrees

Answer14

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