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Cornerstone · Grades 3–5 Keystones #1 3 October 2024
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Keystones — Cornerstone

Five GCSE retrieval questions · 3 October 2024 · mathsvault.uk/keystones

  1. 1. Number

    Add: 2⁄3 + 1⁄5

    Answer: 13⁄15
  2. 2. Algebra

    Expand: 5(3x + 7)

    Answer: 15x + 35
  3. 3. Geometry

    Opposite = 14cm, adjacent = 20cm. Calculate the angle

    Answer: 35°
  4. 4. Ratio

    Simplify the ratio 12:6

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 5, 15, 19, 6, 7

    Answer: 10.4

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