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4MA1/1F Jun 2021, Question 2: Integers

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 5 marks

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The question, in short

Read values from a number line and weighing scales, convert 7.6 metres to centimetres and 91600 millilitres to litres, and write 7 15 pm in 24-hour clock format.

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

Part (a) · 1 mark

Identify the number indicated by the arrow on the number line between 12 and 14.

  1. 1Between 12 and 13 the line is split into 5 equal intervals
  2. 2Each small interval is 1 ÷ 5 = 0.2
  3. 3The arrow is 3 intervals to the right of 12
  4. 412 + 3 × 0.2 = 12.6

Answer12.6

Part (b) · 1 mark

Using the scales dial, find how many kilograms under 6 kg the parcel weighs.

  1. 1Between each numbered kilogram the dial has 5 small divisions, so each one is 1 ÷ 5 = 0.2 kg
  2. 2The pointer is 3 small divisions past 4, so the parcel weighs 4 + 3 × 0.2 = 4.6 kg
  3. 36 − 4.6 = 1.4
  4. 4The parcel weighs 1.4 kilograms less than 6 kg

Answer1.4

Part (c) · 1 mark

Convert 7.6 metres into centimetres.

  1. 11 metre = 100 centimetres
  2. 27.6 × 100 = 760 centimetres

Answer760

Part (d) · 1 mark

Convert 91600 millilitres into litres.

  1. 11 litre = 1000 millilitres
  2. 291 600 ÷ 1000 = 91.6 litres

Answer91.6

Part (e) · 1 mark

Express the time 7 15 pm using the 24-hour clock.

  1. 1For a time in the afternoon or evening, add 12 to the number of hours
  2. 27 + 12 = 19
  3. 37 15 pm is 19 15 on the 24-hour clock

Answer19 15

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