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Capstone · Grades 7–9 Keystones #1 5 March 2025
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Keystones — Capstone

Five GCSE retrieval questions · 5 March 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄3 + 1⁄3 + 1⁄4

    Answer: 5⁄4
  2. 2. Algebra

    Simplify: 9x - 3x + 6y - y

    Answer: 6x + 5y
  3. 3. Geometry

    Find c if a = 17cm and b = 25cm in a right triangle

    Answer: 30.2cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 2⁄5

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