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Cornerstone · Grades 3–5 Keystones #1 9 April 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 9 April 2024 · mathsvault.uk/keystones

  1. 1. Number

    Add: 14 + 23

    Answer: 1112
  2. 2. Algebra

    Solve: 7x = 56

    Answer: x = 8
  3. 3. Geometry

    Calculate the perimeter of a right triangle with sides 7cm and 6cm

    Answer: 22.2cm
  4. 4. Ratio

    Simplify the ratio 32:12

    Answer: 8:3
  5. 5. Statistics

    Calculate the mean of: 6, 30, 38, 15, 26, 32

    Answer: 24.5