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Lintel · Grades 5–7 Keystones #251 8 September 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 8 September 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y3 × (y4)4 ÷ y3

    Answer: y16
  2. 2. Algebra Unknowns on both sides

    Solve: 9x - 4 = 6x + 26

    Answer: x = 10
  3. 3. Geometry Distance between two points

    Find the distance between (-8, 0) and (12, 10)

    Answer: 22.36
  4. 4. Ratio Repeated percentage change

    A value of 441 increases by 13% each year for 3 years. Final value?

    Answer: 636.32
  5. 5. Statistics Median

    Find the median of: 26, 42, 48, 69, 52, 30, 76, 74, 41

    Answer: 48

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