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Lintel · Grades 5–7 Keystones #1 23 February 2025
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Keystones — Lintel

Five GCSE retrieval questions · 23 February 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 1⁄2 + 1⁄3 + 1⁄2

    Answer: 4⁄3
  2. 2. Algebra

    Simplify: 12x - 10x + 8y - 5y

    Answer: 2x + 3y
  3. 3. Geometry

    Find perimeter: adjacent = 14cm, angle = 51°

    Answer: 53.5cm
  4. 4. Ratio

    Calculate 11.3% of 999

    Answer: 112.89
  5. 5. Statistics

    Find the range of: 18, 1, 18, -28, 25

    Answer: 53

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