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Lintel · Grades 5–7 Keystones #1 22 July 2022
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Keystones — Lintel

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

  1. 1. Number

    Calculate: 1⁄2 + 2⁄3 + 1⁄2

    Answer: 5⁄3
  2. 2. Algebra

    Factorise fully: 20x² + 28x

    Answer: 4x(5x + 7)
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 38cm. Find the angle

    Answer: 61.7°
  4. 4. Ratio

    Calculate 24.4% of 366

    Answer: 89.3
  5. 5. Statistics

    Find the range of: -1, -16, -3, -13, 37

    Answer: 53

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