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Lintel · Grades 5–7 Keystones #203 22 July 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 22 July 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y4 × (y3)3 ÷ y1

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

    Solve: 6x - 9 = 2x + -1

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

    Find the distance between (-2, -3) and (6, 10)

    Answer: 15.26
  4. 4. Ratio Repeated percentage change

    A value of 249 increases by 12% each year for 3 years. Final value?

    Answer: 349.83
  5. 5. Statistics Median

    Calculate the median of: 28, 36, 14, 27, 20, 13

    Answer: 23.5

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