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Lintel · Grades 5–7 Keystones #1 29 June 2021
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Keystones — Lintel

Five GCSE retrieval questions · 29 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 26 + 12 + 14

    Answer: 1312
  2. 2. Algebra

    Factorise: 8x² + 6x

    Answer: 2x(4x + 3)
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 35cm. Find the angle

    Answer: 39.5°
  4. 4. Ratio

    Simplify: 20:12:8

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

    Find the range of: 18, 45, -27, 34, 31

    Answer: 72