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Capstone · Grades 7–9 Keystones #1 4 May 2025
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Keystones — Capstone

Five GCSE retrieval questions · 4 May 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Solve: x6 = 1.3333333333333

    Answer: x = 8
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 40cm. Find the angle

    Answer: 51.3°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 5 green sections. Probability of landing on red?

    Answer: 313