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Bedrock · Grades 1–3 Keystones #1 15 January 2024
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Keystones — Bedrock

Five GCSE retrieval questions · 15 January 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Factorise: 20x + 12

    Answer: 4(5x + 3)
  3. 3. Geometry

    Find the area of a right triangle with base 8cm and height 11cm

    Answer: 44cm²
  4. 4. Ratio

    Simplify the ratio 18:12

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 13, 12, 12

    Answer: 12.333333333333

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