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Bedrock · Grades 1–3 Keystones #1 16 October 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 16 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: -1 + (-5)

    Answer: -6
  2. 2. Algebra

    Simplify: 6x + 9x

    Answer: 15x
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Calculate 25% of 183

    Answer: 45.75
  5. 5. Statistics

    Find the mean of: 17, 16, 2

    Answer: 11.666666666667

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