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Capstone · Grades 7–9 Keystones #47 16 February 2026
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Keystones — Capstone

Five GCSE retrieval questions · 16 February 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 996 + 642

    Answer: 1638
  2. 2. Algebra

    Solve: x5 = 1.4

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 25.5cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 310