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Lintel · Grades 5–7 Keystones #1 2 August 2021
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Keystones — Lintel

Five GCSE retrieval questions · 2 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Add: 18 + 14

    Answer: 38
  2. 2. Algebra

    Factorise fully: 25x² + 30x

    Answer: 5x(5x + 6)
  3. 3. Geometry

    Calculate the area of a circle with diameter 13cm

    Answer: 132.73cm²
  4. 4. Ratio

    Simplify: 4:6:4

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

    Find the range of: -1, 38, 35, -10, 22

    Answer: 48