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

  1. 1. Number Mixed index laws

    Simplify: y3 × (y4)3 ÷ y3

    Answer: y12
  2. 2. Algebra Unknowns on both sides

    Solve: 3x + 8 = 2x - 4

    Answer: x = 12
  3. 3. Geometry Distance between two points

    Find the distance between (-4, -2) and (5, 7)

    Answer: 12.73
  4. 4. Ratio Repeated percentage change

    A value of 459 increases by 14% each year for 3 years. Final value?

    Answer: 680.03
  5. 5. Statistics Median

    Calculate the median of: 23, 18, 33, 21, 31, 17

    Answer: 22

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