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Bedrock · Grades 1–3 Keystones #1 27 November 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 27 November 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 512 + 112

    Answer: 12
  2. 2. Algebra

    Solve: x + 7 = 10

    Answer: x = 3
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify the ratio 15:20

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 13, 9, 7, 15

    Answer: 11