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Capstone · Grades 7–9 Keystones #84 25 March 2026
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Keystones — Capstone

Five GCSE retrieval questions · 25 March 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 34 + 23

    Answer: 2312
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 34cm. Find the angle

    Answer: 34.6°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 15, 38, 32, 33, what is the missing number?

    Answer: 72