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Lintel · Grades 5–7 Keystones #207 26 July 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 26 July 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y2 × (y3)2 ÷ y1

    Answer: y7
  2. 2. Algebra Unknowns on both sides

    Solve: 6x - 8 = 4x + 8

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

    Calculate the distance between (2, 2) and (5, 6)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £19,893.00 depreciates by 15% each year for 3 years. What is it worth after 3 years?

    Answer: £12,216.79
  5. 5. Statistics Median

    Find the median of: 30, 70, 62, 34, 21, 52, 20, 42, 22, 23

    Answer: 34

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