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Capstone · Grades 7–9 Keystones #31 31 January 2026
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Keystones — Capstone

Five GCSE retrieval questions · 31 January 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Solve: x⁄5 = 5.8

    Answer: x = 29
  3. 3. Geometry

    Find the distance between (0, -8) and (12, 6)

    Answer: 18.44
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 2⁄9

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