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Cornerstone · Grades 3–5 Keystones #1 8 July 2023
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Keystones — Cornerstone

Five GCSE retrieval questions · 8 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 4⁄8 + 2⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Expand: 6(6x + 3)

    Answer: 36x + 18
  3. 3. Geometry

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

    Answer: 22.2cm
  4. 4. Ratio

    Find 46% of 349

    Answer: 160.54
  5. 5. Statistics

    Find the mean of: 7, 11, 6, 11

    Answer: 8.75

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