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Capstone · Grades 7–9 Keystones #36 21 July 2026
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Keystones — Capstone

Five GCSE retrieval questions · 21 July 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 56 + 45 + 35

    Answer: 6730
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Find the distance between (-7, -2) and (10, 9)

    Answer: 20.25
  4. 4. Ratio

    Calculate 26.2% of 820

    Answer: 214.84
  5. 5. Statistics

    The mean of 4 numbers is 37. If 3 of them are 46, 48, 26, what is the missing number?

    Answer: 28