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Bedrock · Grades 1–3 Keystones #1 24 September 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 24 September 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 5⁄12 + 5⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Find the next term: 19, 27, 35, 43, ...

    Answer: 51
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 16:10

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 15, 15, 17, 5

    Answer: 13

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