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Lintel · Grades 5–7 Keystones #55 24 February 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 24 February 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y5 × (y2)4 ÷ y3

    Answer: y10
  2. 2. Algebra Unknowns on both sides

    Solve: 4x + 7 = 2x - 3

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

    Find the distance between (-3, 1) and (3, 4)

    Answer: 6.71
  4. 4. Ratio Repeated percentage change

    A car worth £14,436.00 depreciates by 14% each year for 3 years. What is it worth after 3 years?

    Answer: £9,182.10
  5. 5. Statistics Median

    Find the median of: 34, 56, 77, 76, 62, 34, 27, 51, 45, 76, 42

    Answer: 51

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