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Capstone · Grades 7–9 Keystones #1 20 August 2025
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Keystones — Capstone

Five GCSE retrieval questions · 20 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

    Solve: x⁄2 = 15.5

    Answer: x = 31
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 27cm. Find the angle

    Answer: 35.4°
  4. 4. Ratio

    Calculate 16% of 415

    Answer: 66.4
  5. 5. Statistics

    A spinner has 3 red, 6 blue and 5 green sections. Probability of landing on red?

    Answer: 3⁄14

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