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Cornerstone · Grades 3–5 Keystones #1 10 January 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 10 January 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 5⁄6 + 2⁄8

    Answer: 13⁄12
  2. 2. Algebra

    Solve: x + 6 = 18

    Answer: x = 12
  3. 3. Geometry

    Calculate the distance between (3, 6) and (6, 10)

    Answer: 5
  4. 4. Ratio

    Simplify the ratio 18:6

    Answer: 3:1
  5. 5. Statistics

    Find the mean of: 2, 9, 20, 11

    Answer: 10.5

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