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Lintel · Grades 5–7 Keystones #301 28 October 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 28 October 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y3 × (y2)4 ÷ y1

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

    Solve: 9x - 8 = 5x + 32

    Answer: x = 10
  3. 3. Geometry Distance between two points

    Calculate the distance between (8, 3) and (11, 7)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £9,409.00 depreciates by 24% each year for 4 years. What is it worth after 4 years?

    Answer: £3,139.05
  5. 5. Statistics Median

    Find the median of: 44, 60, 25, 31, 66, 52, 56, 50, 60, 79, 79

    Answer: 56

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