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Cornerstone · Grades 3–5 Keystones #1 29 December 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 29 December 2021 · mathsvault.uk/keystones

  1. 1. Number

    600000

    Answer: 6 × 105
  2. 2. Algebra

    Factorise: 14x + 16

    Answer: 2(7x + 8)
  3. 3. Geometry

    Calculate the distance between (1, 2) and (4, 6)

    Answer: 5
  4. 4. Ratio

    Simplify the ratio 6:21

    Answer: 2:7
  5. 5. Statistics

    Find the range of: 6, 7, 8, 6, 16

    Answer: 10

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