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Bedrock · Grades 1–3 Keystones #1 18 June 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 18 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2⁄9 + 3⁄9

    Answer: 5⁄9
  2. 2. Algebra

    Simplify: 4x + 9x

    Answer: 13x
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 8:10

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 8, 5, 19

    Answer: 10.666666666667

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