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Lintel · Grades 5–7 Keystones #59 28 February 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 28 February 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a2)4 × a3

    Answer: a11
  2. 2. Algebra Unknowns on both sides

    Solve: 4x + 6 = 3x - 6

    Answer: x = 12
  3. 3. Geometry Distance between two points

    Calculate the distance between (3, 4) and (6, 8)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £6,517.00 depreciates by 25% each year for 5 years. What is it worth after 5 years?

    Answer: £1,546.51
  5. 5. Statistics Median

    Find the median of: 36, 48, 74, 65, 68, 69, 20, 60, 75, 60

    Answer: 65

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