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Lintel · Grades 5–7 Keystones #1 16 August 2022
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Keystones — Lintel

Five GCSE retrieval questions · 16 August 2022 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 16 + 34

    Answer: 1712
  2. 2. Algebra

    Factorise: 3x² + 4x

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

    Calculate perimeter: two sides are 15cm and 6cm at right angles

    Answer: 37.2cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -24, -3, 35, -26, 2

    Answer: 61