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

  1. 1. Number Mixed index laws

    Simplify: y4 × (y4)4 ÷ y1

    Answer: y19
  2. 2. Algebra Unknowns on both sides

    Solve: 7x - 8 = 3x + 28

    Answer: x = 9
  3. 3. Geometry Distance between two points

    Find the distance between (-4, -8) and (5, 9)

    Answer: 19.24
  4. 4. Ratio Repeated percentage change

    A value of 360 increases by 8% each year for 3 years. Final value?

    Answer: 453.5
  5. 5. Statistics Median

    Find the median of: 50, 48, 51, 28, 23, 60, 56, 70, 59

    Answer: 51

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