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Capstone · Grades 7–9 Keystones #1 5 July 2025
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Keystones — Capstone

Five GCSE retrieval questions · 5 July 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 23 + 23

    Answer: 53
  2. 2. Algebra

    Solve: x5 = 4.6

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 38cm. Find the angle

    Answer: 50.8°
  4. 4. Ratio

    Calculate 15.7% of 313

    Answer: 49.14
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 15, 50, 35, what is the missing number?

    Answer: 40