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Bedrock · Grades 1–3 Keystones #1 11 June 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 11 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 5⁄12 + 1⁄12

    Answer: 1⁄2
  2. 2. Algebra

    Factorise: 24x + 28

    Answer: 4(6x + 7)
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

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

    Simplify the ratio 6:16

    Answer: 3:8
  5. 5. Statistics

    Find the mean of: 9, 8, 5, 2

    Answer: 6

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