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Cornerstone · Grades 3–5 Keystones #1 22 December 2022
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Keystones — Cornerstone

Five GCSE retrieval questions · 22 December 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 21 + 22

    Answer: 21 + 22 = 43
  2. 2. Algebra

    Simplify: 7x + 8x

    Answer: 15x
  3. 3. Geometry

    Opposite = 14cm, adjacent = 12cm. Calculate the angle

    Answer: 49.4°
  4. 4. Ratio

    Simplify the ratio 8:24

    Answer: 1:3
  5. 5. Statistics

    Find the range of: 28, 12, 29, 41, 21

    Answer: 29

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