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4MA1/2F Jan 2020, Question 1: Number Review: Mixed Practice

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks

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The question, in short

From the list 13, 14, 18, 23, 30, 36, select numbers matching three given descriptions.

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

Part (i) · 1 mark

Choose an odd number from the list.

  1. 1An odd number does not divide exactly by 2
  2. 2From the list, 13 and 23 are odd: 13 or 23

Answer13 or 23

Part (ii) · 1 mark

Choose the number that is a multiple of 4.

  1. 1A multiple of 4 divides exactly by 4
  2. 236 ÷ 4 = 9; none of the others divide exactly
  3. 3The multiple of 4 is 36

Answer36

Part (iii) · 1 mark

Choose the number that is a factor of 28.

  1. 1Find factors of 28 from the list
  2. 2Factors of 28 are numbers that divide 28 exactly
  3. 328 ÷ 13 ≈ 2.15 (not whole), 28 ÷ 14 = 2 (whole)
  4. 428 ÷ 18 ≈ 1.56, 28 ÷ 23 ≈ 1.22, 28 ÷ 30 ≈ 0.93, 28 ÷ 36 ≈ 0.78
  5. 5Only 14 divides 28 exactly
  6. 6Answer is 14

Answer14

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