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Capstone · Grades 7–9 Keystones #54 23 February 2026
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Keystones — Capstone

Five GCSE retrieval questions · 23 February 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 999 + 788

    Answer: 1787
  2. 2. Algebra

    Simplify: 12x - 7x + 8y - 7y

    Answer: 5x + y
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 29cm. Find the angle

    Answer: 49.1°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 4 green sections. Probability of landing on red?

    Answer: 1⁄4

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