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Capstone · Grades 7–9 Keystones #132 12 May 2026
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Keystones — Capstone

Five GCSE retrieval questions · 12 May 2026 · mathsvault.uk/keystones

  1. 1. Number

    If x3 = 64, what is x?

    Answer: 4
  2. 2. Algebra

    Solve: x3 = 13

    Answer: x = 39
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 49cm. Find the angle

    Answer: 52.2°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 5 blue and 5 green sections. Probability of landing on red?

    Answer: 16