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Bedrock · Grades 1–3 Keystones #1 23 February 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 23 February 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄9 + 6⁄9

    Answer: 7⁄9
  2. 2. Algebra

    Simplify: 6x + 4x

    Answer: 10x
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 25:20

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 8, 19, 19, 2, 15

    Answer: 12.6

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