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Lintel · Grades 5–7 Keystones #302 29 October 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 29 October 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a4)3 × a3

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

    Solve: 6x + 6 = x - 2

    Answer: x = 1.6
  3. 3. Geometry Distance between two points

    Find the distance between (0, -3) and (12, 7)

    Answer: 15.62
  4. 4. Ratio Repeated percentage change

    A car worth £9,931.00 depreciates by 19% each year for 3 years. What is it worth after 3 years?

    Answer: £5,277.74
  5. 5. Statistics Median

    Calculate the median of: 39, 20, 15, 24, 39, 16

    Answer: 22

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