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Capstone · Grades 7–9 Keystones #47 1 August 2026
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Keystones — Capstone

Five GCSE retrieval questions · 1 August 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x4 = 7.25

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 25cm. Find the angle

    Answer: 43.9°
  4. 4. Ratio

    Calculate 10.9% of 465

    Answer: 50.69
  5. 5. Statistics

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

    Answer: 37