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Lintel · Grades 5–7 Keystones #304 31 October 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 31 October 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y5 × (y4)4 ÷ y3

    Answer: y18
  2. 2. Algebra Unknowns on both sides

    Solve: 7x - 7 = 4x + 17

    Answer: x = 8
  3. 3. Geometry Distance between two points

    Find the distance between (0, -6) and (12, 6)

    Answer: 16.97
  4. 4. Ratio Repeated percentage change

    A car worth £5,443.00 depreciates by 23% each year for 4 years. What is it worth after 4 years?

    Answer: £1,913.38
  5. 5. Statistics Median

    Find the median of: 28, 51, 26, 28, 76, 31, 39, 37, 23

    Answer: 31

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