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Capstone · Grades 7–9 Keystones #59 13 August 2026
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Keystones — Capstone

Five GCSE retrieval questions · 13 August 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 45 + 34 + 46

    Answer: 13360
  2. 2. Algebra

    Solve: x4 = 3

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 33cm. Find the angle

    Answer: 32°
  4. 4. Ratio

    Calculate 20.4% of 380

    Answer: 77.52
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 46, 37, 30, what is the missing number?

    Answer: 39