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Capstone · Grades 7–9 Keystones #1 16 May 2025
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Keystones — Capstone

Five GCSE retrieval questions · 16 May 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 23 + 13 + 35

    Answer: 85
  2. 2. Algebra

    Solve: x3 = 4

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 31cm. Find the angle

    Answer: 39.3°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 31. If 4 of them are 30, 46, 47, 19, what is the missing number?

    Answer: 13