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Lintel · Grades 5–7 Keystones #105 15 April 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 15 April 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y2 × (y2)2 ÷ y2

    Answer: y4
  2. 2. Algebra Unknowns on both sides

    Solve: 6x + 12 = x - 10

    Answer: x = 4.4
  3. 3. Geometry Distance between two points

    Calculate the distance between (9, 9) and (12, 13)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A car worth £7,310.00 depreciates by 22% each year for 4 years. What is it worth after 4 years?

    Answer: £2,705.80
  5. 5. Statistics Median

    Calculate the median of: 30, 36, 37, 17, 12, 25

    Answer: 27.5

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