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

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

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 45cm. Find the angle

    Answer: 49.9°
  4. 4. Ratio

    Calculate 12.3% of 483

    Answer: 59.41
  5. 5. Statistics

    A spinner has 3 red, 3 blue and 4 green sections. Probability of landing on red?

    Answer: 310