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Lintel · Grades 5–7 Keystones #1 13 April 2021
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Keystones — Lintel

Five GCSE retrieval questions · 13 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 997 + 662

    Answer: 1659
  2. 2. Algebra

    Solve: x6 = 5.5

    Answer: x = 33
  3. 3. Geometry

    Opposite = 15cm, adjacent = 12cm. Calculate the angle

    Answer: 51.3°
  4. 4. Ratio

    Simplify: 8:12:12

    Answer: 2:3:3
  5. 5. Statistics

    Calculate the mean of: 48, 16, 5, 15, 42, 27, 19, 39

    Answer: 26.4