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Bedrock · Grades 1–3 Keystones #1 31 October 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 31 October 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify the ratio 15:20

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 19, 17, 2, 19

    Answer: 14.25

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