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Capstone · Grades 7–9 Keystones #27 27 January 2026
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Keystones — Capstone

Five GCSE retrieval questions · 27 January 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Solve: x6 = 2.1666666666667

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 31cm. Find the angle

    Answer: 44.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 311