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Cornerstone · Grades 3–5 Keystones #1 25 April 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 25 April 2021 · mathsvault.uk/keystones

  1. 1. Number

    Add: 4⁄8 + 3⁄5

    Answer: 11⁄10
  2. 2. Algebra

    Solve: x + 10 = 18

    Answer: x = 8
  3. 3. Geometry

    Opposite = 13cm, adjacent = 8cm. Calculate the angle

    Answer: 58.4°
  4. 4. Ratio

    Simplify: 6:9:18

    Answer: 2:3:6
  5. 5. Statistics

    Calculate the range of: 66, 43, 37, 33, 55, 62

    Answer: 33

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