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Capstone · Grades 7–9 Keystones #137 17 May 2026
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Keystones — Capstone

Five GCSE retrieval questions · 17 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 15 + 45 + 35

    Answer: 85
  2. 2. Algebra

    Simplify: 6x - 4x + 7y - y

    Answer: 2x + 6y
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 24cm. Find the angle

    Answer: 54.3°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 24, 34, 30, 33, what is the missing number?

    Answer: 24