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Lintel · Grades 5–7 Keystones #10 10 January 2026 Skills week 2 of 7
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Five GCSE retrieval questions · 10 January 2026 · mathsvault.uk/keystones

  1. 1. Number Mixed index laws

    Simplify: (a2)2 × a3

    Answer: a7
  2. 2. Algebra Unknowns on both sides

    Solve: 10x - 7 = 7x + 2

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

    Find the distance between (-1, -5) and (8, 12)

    Answer: 19.24
  4. 4. Ratio Repeated percentage change

    A value of 359 increases by 13% each year for 3 years. Final value?

    Answer: 518
  5. 5. Statistics Median

    Find the median of: 33, 65, 28, 36, 37, 59, 61, 32, 32, 47

    Answer: 37

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