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Lintel · Grades 5–7 Keystones #1 24 January 2022
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Keystones — Lintel

Five GCSE retrieval questions · 24 January 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 23 + 13 + 23

    Answer: 53
  2. 2. Algebra

    Factorise: 8x² + 7x

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

    Opposite = 14cm, adjacent = 10cm. Calculate the angle

    Answer: 54.5°
  4. 4. Ratio

    Calculate 33.7% of 797

    Answer: 268.59
  5. 5. Statistics

    Calculate the mean of: 45, 42, 24, 49, 21, 49, 29, 25

    Answer: 35.5