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Cornerstone · Grades 3–5 Keystones #1 6 October 2021
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Keystones — Cornerstone

Five GCSE retrieval questions · 6 October 2021 · mathsvault.uk/keystones

  1. 1. Number

    Add: 1⁄4 + 2⁄3

    Answer: 11⁄12
  2. 2. Algebra

    Expand: 6(2x + 6)

    Answer: 12x + 36
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 17cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Calculate 50% of 75

    Answer: 37.5
  5. 5. Statistics

    Calculate the range of: 62, 30, 26, 54, 45, 46

    Answer: 36

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