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4MA1/1FR Jun 2018, Question 1: Unit Conversions

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

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The question, in short

Using a table of five animal weights in kilograms, answer questions on ordering, place value, subtraction, and a scaled weight conversion to tonnes.

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

Part (a) · 1 mark

Identify which of the five listed animals has the smallest weight.

  1. 1Compare weights: 725, 3178, 800, 2205, 1013
  2. 2725 is the smallest weight
  3. 3African buffalo has the least weight

AnswerAfrican buffalo

Part (b) · 1 mark

State the value of the digit 1 in the number 3178.

  1. 1The number 3178 has digits: 3 (thousands), 1 (hundreds), 7 (tens), 8 (units)
  2. 2The 1 is in the hundreds place
  3. 3Value of 1 is 100

Answer100

Part (c) · 1 mark

Calculate the difference between 2205 and 1013.

  1. 12205 − 1013
  2. 22205 − 1000 = 1205
  3. 31205 − 13 = 1192

Answer1192

Part (d) · 2 marks

Find the blue whale's weight, 20 times the giraffe's 800 kg, giving the result in tonnes using 1 tonne = 1000 kg.

  1. 1Weight of giraffe = 800 kg
  2. 2Blue whale = 20 × 800 = 16000 kg
  3. 3Convert to tonnes: 16000 ÷ 1000 = 16
  4. 416

Answer16

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