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Capstone · Grades 7–9 Keystones #1 19 December 2025
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Keystones — Capstone

Five GCSE retrieval questions · 19 December 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 117. What are the numbers?

    Answer: 38, 39, and 40
  2. 2. Algebra

    Solve: x⁄6 = 4.6666666666667

    Answer: x = 28
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 40cm. Find the angle

    Answer: 56.6°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄7

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