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Lintel · Grades 5–7 Keystones #54 23 February 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 23 February 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y4 × (y2)2 ÷ y3

    Answer: y5
  2. 2. Algebra Unknowns on both sides

    Solve: 7x + 4 = 2x - 6

    Answer: x = 2
  3. 3. Geometry Distance between two points

    Find the distance between (-3, 1) and (8, 11)

    Answer: 14.87
  4. 4. Ratio Repeated percentage change

    A value of 384 increases by 11% each year for 3 years. Final value?

    Answer: 525.17
  5. 5. Statistics Median

    Calculate the median of: 15, 20, 17, 31, 16, 20

    Answer: 18.5

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