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Lintel · Grades 5–7 Keystones #8 8 January 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 8 January 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y4 × (y3)3 ÷ y2

    Answer: y11
  2. 2. Algebra Unknowns on both sides

    Solve: 4x + 11 = 2x - 5

    Answer: x = 8
  3. 3. Geometry Distance between two points

    Find the distance between (-8, -1) and (9, 4)

    Answer: 17.72
  4. 4. Ratio Repeated percentage change

    A value of 225 increases by 7% each year for 3 years. Final value?

    Answer: 275.63
  5. 5. Statistics Median

    Calculate the median of: 28, 10, 28, 23, 11, 30

    Answer: 25.5

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