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Capstone · Grades 7–9 Keystones #1 15 November 2025
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Keystones — Capstone

Five GCSE retrieval questions · 15 November 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 138. What are the numbers?

    Answer: 45, 46, and 47
  2. 2. Algebra

    Solve: x7 = 3.2857142857143

    Answer: x = 23
  3. 3. Geometry

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

    Answer: 63.2°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 311