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Cornerstone · Grades 3–5 Keystones #1 27 August 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 27 August 2024 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 4⁄10 + 3⁄10

    Answer: 7⁄10
  2. 2. Algebra

    Solve: x + 7 = 17

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 13cm

    Answer: 16.4cm
  4. 4. Ratio

    Simplify: 4:4:12

    Answer: 1:1:3
  5. 5. Statistics

    Calculate the range of: 55, 36, 37, 31, 67, 23

    Answer: 44

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