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Cornerstone · Grades 3–5 Keystones #1 1 February 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 1 February 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 36 + 23

    Answer: 76
  2. 2. Algebra

    Solve: x + 7 = 18

    Answer: x = 11
  3. 3. Geometry

    Opposite = 13cm, adjacent = 20cm. Calculate the angle

    Answer: 33°
  4. 4. Ratio

    Calculate 25% of 42

    Answer: 10.5
  5. 5. Statistics

    Calculate the mean of: 28, 43, 40, 11, 47, 40, 13, 43

    Answer: 33.1