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Bedrock · Grades 1–3 Keystones #1 12 June 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 12 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 14 + 45

    Answer: 14 + 45 = 59
  2. 2. Algebra

    Solve: x + 6 = 21

    Answer: x = 15
  3. 3. Geometry

    Convert 24cm to mm

    Answer: 240mm
  4. 4. Ratio

    Simplify the ratio 15:35

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 7, 10, 20

    Answer: 12.333333333333