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Capstone · Grades 7–9 Keystones #1 30 July 2025
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Keystones — Capstone

Five GCSE retrieval questions · 30 July 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 111. What are the numbers?

    Answer: 36, 37, and 38
  2. 2. Algebra

    Solve: x⁄8 = 2.875

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 37cm. Find the angle

    Answer: 51.6°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 4 blue and 5 green sections. Probability of landing on red?

    Answer: 2⁄11

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