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Capstone · Grades 7–9 Keystones #1 12 March 2025
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Keystones — Capstone

Five GCSE retrieval questions · 12 March 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 998 + 669

    Answer: 1667
  2. 2. Algebra

    Solve: x5 = 3.6

    Answer: x = 18
  3. 3. Geometry

    Find c if a = 18cm and b = 23cm in a right triangle

    Answer: 29.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 4 blue and 2 green sections. Probability of landing on red?

    Answer: 511