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Bedrock · Grades 1–3 Keystones #1 22 March 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 22 March 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Simplify: 6x + 9x

    Answer: 15x
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Simplify the ratio 24:9

    Answer: 8:3
  5. 5. Statistics

    Find the mean of: 7, 2, 18, 11, 14

    Answer: 10.4

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