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Cornerstone · Grades 3–5 Keystones #1 29 May 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 29 May 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 78 + 14

    Answer: 98
  2. 2. Algebra

    Solve: 5x = 20

    Answer: x = 4
  3. 3. Geometry

    Opposite = 8cm, adjacent = 20cm. Calculate the angle

    Answer: 21.8°
  4. 4. Ratio

    Find 56% of 200

    Answer: 112
  5. 5. Statistics

    Find the mean of: 6, 14, 9, 17, 20

    Answer: 13.2