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Bedrock · Grades 1–3 Keystones #1 6 May 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 6 May 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄11 + 9⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Factorise: 40x + 35

    Answer: 5(8x + 7)
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

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

    Simplify the ratio 32:16

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 12, 3, 15, 17

    Answer: 11.75

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