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Capstone · Grades 7–9 Keystones #33 18 July 2026
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Keystones — Capstone

Five GCSE retrieval questions · 18 July 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 25 + 45

    Answer: 2315
  2. 2. Algebra

    Solve: x2 = 11.5

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 28cm. Find the angle

    Answer: 44.4°
  4. 4. Ratio

    Calculate 30.1% of 520

    Answer: 156.52
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 6 green sections. Probability of landing on red?

    Answer: 311