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Bedrock · Grades 1–3 Keystones #1 13 March 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 13 March 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 5⁄11 + 1⁄11

    Answer: 6⁄11
  2. 2. Algebra

    Factorise: 24x + 21

    Answer: 3(8x + 7)
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Calculate 25% of 141

    Answer: 35.25
  5. 5. Statistics

    Find the mean of: 15, 12, 14, 4

    Answer: 11.25

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