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Bedrock · Grades 1–3 Keystones #1 16 December 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 16 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 4⁄7 + 2⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Factorise: 8x + 6

    Answer: 2(4x + 3)
  3. 3. Geometry

    Convert 11m to cm

    Answer: 1100cm
  4. 4. Ratio

    Simplify the ratio 15:30

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 16, 6, 12, 9

    Answer: 10.75

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