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Capstone · Grades 7–9 Keystones #1 11 August 2025
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Keystones — Capstone

Five GCSE retrieval questions · 11 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Solve: x⁄4 = 6.25

    Answer: x = 25
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 35cm. Find the angle

    Answer: 48.9°
  4. 4. Ratio

    Calculate 47.2% of 765

    Answer: 361.08
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 5 green sections. Probability of landing on red?

    Answer: 4⁄15

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