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Lintel · Grades 5–7 Keystones #1 22 July 2021
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Keystones — Lintel

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

  1. 1. Number

    Calculate: 226 + 657

    Answer: 226 + 657 = 883
  2. 2. Algebra

    Solve: x7 = 3.1428571428571

    Answer: x = 22
  3. 3. Geometry

    Opposite = 19cm, adjacent = 14cm. Calculate the angle

    Answer: 53.6°
  4. 4. Ratio

    Simplify: 8:12:16

    Answer: 2:3:4
  5. 5. Statistics

    Calculate the mean of: 20, 42, 6, 8, 9, 39, 38, 42

    Answer: 25.5