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Capstone · Grades 7–9 Keystones #102 12 April 2026
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Keystones — Capstone

Five GCSE retrieval questions · 12 April 2026 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 99. What are the numbers?

    Answer: 32, 33, and 34
  2. 2. Algebra

    Solve: x⁄8 = 4.5

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 36cm. Find the angle

    Answer: 54.3°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄14

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