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Bedrock · Grades 1–3 Keystones #1 7 August 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 7 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄10 + 2⁄10

    Answer: 1⁄2
  2. 2. Algebra

    Simplify: 4x + 9x

    Answer: 13x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 32:20

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 13, 18, 5

    Answer: 12

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