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Capstone · Grades 7–9 Keystones #23 8 July 2026
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Keystones — Capstone

Five GCSE retrieval questions · 8 July 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Solve: x7 = 1.5714285714286

    Answer: x = 11
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 31cm. Find the angle

    Answer: 63.2°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 12