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Bedrock · Grades 1–3 Keystones #1 15 February 2025
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Keystones — Bedrock

Five GCSE retrieval questions · 15 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 41 + 27

    Answer: 41 + 27 = 68
  2. 2. Algebra

    Simplify: 6x + 5x

    Answer: 11x
  3. 3. Geometry

    Convert 21cm to mm

    Answer: 210mm
  4. 4. Ratio

    Simplify the ratio 28:20

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 4, 18, 3

    Answer: 8.3333333333333