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Bedrock · Grades 1–3 Keystones #1 19 April 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 19 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 8⁄12 + 2⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: x + 7 = 12

    Answer: x = 5
  3. 3. Geometry

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

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

    Simplify the ratio 16:24

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 15, 13, 13, 5, 20

    Answer: 13.2

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