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Capstone · Grades 7–9 Keystones #18 3 July 2026
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Keystones — Capstone

Five GCSE retrieval questions · 3 July 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 99. What are the numbers?

    Answer: 32, 33, and 34
  2. 2. Algebra

    Solve: x6 = 1.1666666666667

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 33cm. Find the angle

    Answer: 45.8°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 6 blue and 4 green sections. Probability of landing on red?

    Answer: 16