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Lintel · Grades 5–7 Keystones #303 30 October 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 30 October 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a3)2 × a3

    Answer: a9
  2. 2. Algebra Unknowns on both sides

    Solve: 8x + 4 = 6x - 10

    Answer: x = 7
  3. 3. Geometry Distance between two points

    Calculate the distance between (6, 5) and (9, 9)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £17,479.00 depreciates by 24% each year for 5 years. What is it worth after 5 years?

    Answer: £4,431.84
  5. 5. Statistics Median

    Calculate the median of: 25, 33, 18, 38, 32, 12

    Answer: 28.5

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