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Lintel · Grades 5–7 Keystones #250 7 September 2026 (today) Skills week 2 of 7
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Five GCSE retrieval questions · 7 September 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: y2 × (y4)3 ÷ y3

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

    Solve: 9x - 5 = 7x + 3

    Answer: x = 4
  3. 3. Geometry Distance between two points

    Find the distance between (-2, -2) and (11, 11)

    Answer: 18.38
  4. 4. Ratio Repeated percentage change

    A value of 394 increases by 9% each year for 3 years. Final value?

    Answer: 510.24
  5. 5. Statistics Median

    Find the median of: 78, 47, 29, 61, 25, 37, 22, 32, 63, 75

    Answer: 47

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