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Lintel · Grades 5–7 Keystones #104 14 April 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 14 April 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a3)4 × a3

    Answer: a15
  2. 2. Algebra Unknowns on both sides

    Solve: 5x - 12 = 2x + 3

    Answer: x = 5
  3. 3. Geometry Distance between two points

    Find the distance between (-6, -8) and (8, 5)

    Answer: 19.1
  4. 4. Ratio Repeated percentage change

    A car worth £8,959.00 depreciates by 23% each year for 5 years. What is it worth after 5 years?

    Answer: £2,425.01
  5. 5. Statistics Median

    Find the median of: 48, 36, 41, 62, 71, 73, 61, 75, 49

    Answer: 61

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