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Cornerstone · Grades 3–5 Keystones #1 14 September 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 14 September 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 3⁄6 + 1⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 8x = 40

    Answer: x = 5
  3. 3. Geometry

    Find the distance between (4, 3) and (9, 8)

    Answer: 7.07
  4. 4. Ratio

    Simplify: 15:12:15

    Answer: 5:4:5
  5. 5. Statistics

    Find the mean of: 17, 7, 5

    Answer: 9.6666666666667

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