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Capstone · Grades 7–9 Keystones #1 7 November 2025
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Keystones — Capstone

Five GCSE retrieval questions · 7 November 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 23 + 12

    Answer: 53
  2. 2. Algebra

    Simplify: 10x - 7x + 5y - y

    Answer: 3x + 4y
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 37cm. Find the angle

    Answer: 40.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 516