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Lintel · Grades 5–7 Keystones #9 9 January 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 9 January 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a2)3 × a2

    Answer: a8
  2. 2. Algebra Unknowns on both sides

    Solve: 5x - 3 = 3x + 3

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

    Calculate the distance between (2, 10) and (5, 14)

    Answer: 5
  4. 4. Ratio Repeated percentage change

    A value of 409 increases by 13% each year for 3 years. Final value?

    Answer: 590.14
  5. 5. Statistics Median

    Find the median of: 22, 43, 61, 58, 20, 72, 37, 61, 23

    Answer: 43

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