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4MA1/1F Jun 2024, Question 5: Integers

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

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The question, in short

From the list 2, 8, 9, 18, 24, 28, select numbers meeting four descriptions, then evaluate 6² + 2³ × 5.

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

Part (ai) · 1 mark

Pick an odd number from the given list.

  1. 1Look for an odd number in the list: 2, 8, 9, 18, 24, 28
  2. 29 is odd

Answer9

Part (aii) · 1 mark

Pick a number from the list divisible by both 4 and 6.

  1. 1Find a number that is a multiple of both 4 and 6
  2. 2Multiples of 4: 8, 24, 28
  3. 3Multiples of 6: 18, 24
  4. 424 is common to both

Answer24

Part (aiii) · 1 mark

Pick a cube number from the list.

  1. 1Check for cube numbers: numbers that are n³
  2. 22³ = 8, which is in the list
  3. 3So 8 is a cube number

Answer8

Part (aiv) · 1 mark

Pick a prime number from the list.

  1. 1Identify prime numbers: numbers with exactly two factors
  2. 22 is prime (factors: 1 and 2)
  3. 3Other numbers have more than two factors

Answer2

Part (b) · 1 mark

Calculate the value of 6² + 2³ × 5.

  1. 1Work out 6² + 2³ × 5
  2. 26² = 36
  3. 32³ = 8
  4. 48 × 5 = 40
  5. 536 + 40 = 76

Answer76

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