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Bedrock · Grades 1–3 Keystones #1 11 December 2022
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Keystones — Bedrock

Five GCSE retrieval questions · 11 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 2 + (-2)

    Answer: 0
  2. 2. Algebra

    Simplify: 9x + 4x

    Answer: 13x
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Simplify the ratio 12:21

    Answer: 4:7
  5. 5. Statistics

    Find the mean of: 5, 8, 20

    Answer: 11

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