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Capstone · Grades 7–9 Keystones #156 5 June 2026
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Keystones — Capstone

Five GCSE retrieval questions · 5 June 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

    Solve: x5 = 4.4

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 44cm. Find the angle

    Answer: 47°
  4. 4. Ratio

    Calculate 17% of 273

    Answer: 46.41
  5. 5. Statistics

    A spinner has 6 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 25