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Lintel · Grades 5–7 Keystones #1 1 March 2025
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Keystones — Lintel

Five GCSE retrieval questions · 1 March 2025 · mathsvault.uk/keystones

  1. 1. Number

    What is ∛27?

    Answer: 3
  2. 2. Algebra

    Solve: x⁄6 = 2.6666666666667

    Answer: x = 16
  3. 3. Geometry

    A circle has area 153.9cm². Find its radius (dp)

    Answer: 7cm
  4. 4. Ratio

    Simplify: 8:12:24

    Answer: 2:3:6
  5. 5. Statistics

    Find the range of: -21, 15, -13, 14, 36

    Answer: 57

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