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Lintel · Grades 5–7 Keystones #1 16 August 2025
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Keystones — Lintel

Five GCSE retrieval questions · 16 August 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 56 + 12 + 45

    Answer: 3215
  2. 2. Algebra

    Factorise fully: 12x² + 12x

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

    Calculate the area of a circle with diameter 11cm

    Answer: 95.03cm²
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 38, -5, -2, -1, -17

    Answer: 55