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Lintel · Grades 5–7 Keystones #1 26 September 2025
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Keystones — Lintel

Five GCSE retrieval questions · 26 September 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 16 + 34

    Answer: 1712
  2. 2. Algebra

    Solve: x2 = 5.5

    Answer: x = 11
  3. 3. Geometry

    Opposite = 18cm, adjacent = 20cm. Calculate the angle

    Answer: 42°
  4. 4. Ratio

    Calculate 36% of 637

    Answer: 229.32
  5. 5. Statistics

    Calculate the mean of: 28, 36, 43, 34, 15, 44

    Answer: 33.3