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Bedrock · Grades 1–3 Keystones #1 2 August 2023
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Keystones — Bedrock

Five GCSE retrieval questions · 2 August 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄9 + 2⁄9

    Answer: 1⁄3
  2. 2. Algebra

    Factorise: 24x + 20

    Answer: 4(6x + 5)
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 12cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:12

    Answer: 5:3
  5. 5. Statistics

    Find the mean of: 10, 12, 7

    Answer: 9.6666666666667

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