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Bedrock · Grades 1–3 Keystones #1 24 October 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 24 October 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 35 + 15

    Answer: 45
  2. 2. Algebra

    Factorise: 30x + 35

    Answer: 5(6x + 7)
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 15:6

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 18, 3, 7

    Answer: 9.3333333333333