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Capstone · Grades 7–9 Keystones #5 20 June 2026
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Keystones — Capstone

Five GCSE retrieval questions · 20 June 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄2 + 1⁄2 + 4⁄6

    Answer: 5⁄3
  2. 2. Algebra

    Simplify: 7x - 6x + 9y - 8y

    Answer: x + y
  3. 3. Geometry

    Find c if a = 19cm and b = 17cm in a right triangle

    Answer: 25.5cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 2⁄7

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