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Cornerstone · Grades 3–5 Keystones #1 17 July 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 17 July 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 18 + 48

    Answer: 58
  2. 2. Algebra

    Solve: x + 13 = 26

    Answer: x = 13
  3. 3. Geometry

    Opposite = 17cm, adjacent = 10cm. Calculate the angle

    Answer: 59.5°
  4. 4. Ratio

    Simplify the ratio 24:20

    Answer: 6:5
  5. 5. Statistics

    Find the mean of: 12, 18, 9, 6

    Answer: 11.25