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Bedrock · Grades 1–3 Keystones #1 12 December 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 12 December 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Simplify: 5x + 4x

    Answer: 9x
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 21:18

    Answer: 7:6
  5. 5. Statistics

    Find the mean of: 14, 10, 4

    Answer: 9.3333333333333

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