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Capstone · Grades 7–9 Keystones #1 25 December 2025
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Keystones — Capstone

Five GCSE retrieval questions · 25 December 2025 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: y5 × y4 × y4

    Answer: y13
  2. 2. Algebra

    Simplify: 32x²y³ ÷ 6xy²

    Answer: 5.3333333333333xy
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 42cm. Find the angle

    Answer: 55.2°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 6 blue and 2 green sections. Probability of landing on red?

    Answer: 5⁄13

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