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Lintel · Grades 5–7 Keystones #300 27 October 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 27 October 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y4 × (y3)3 ÷ y3

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

    Solve: 7x - 10 = 2x + 5

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

    Calculate the distance between (5, 9) and (8, 13)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £15,953.00 depreciates by 19% each year for 3 years. What is it worth after 3 years?

    Answer: £8,478.08
  5. 5. Statistics Median

    Find the median of: 73, 57, 28, 39, 80, 57, 26, 23, 39, 61

    Answer: 57

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