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Capstone · Grades 7–9 Keystones #1 25 June 2025
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Keystones — Capstone

Five GCSE retrieval questions · 25 June 2025 · mathsvault.uk/keystones

  1. 1. Number

    The sum of three consecutive numbers is 102. What are the numbers?

    Answer: 33, 34, and 35
  2. 2. Algebra

    Solve: x4 = 5.25

    Answer: x = 21
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 38cm. Find the angle

    Answer: 58.2°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 310