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Capstone · Grades 7–9 Keystones #143 23 May 2026
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Keystones — Capstone

Five GCSE retrieval questions · 23 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 46 + 12 + 46

    Answer: 116
  2. 2. Algebra

    Solve: x3 = 8.3333333333333

    Answer: x = 25
  3. 3. Geometry

    Find the distance between (-3, -7) and (10, 3)

    Answer: 16.4
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 29, 22, 44, 32, 32, what is the missing number?

    Answer: 57