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Lintel · Grades 5–7 Keystones #1 24 January 2025
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Keystones — Lintel

Five GCSE retrieval questions · 24 January 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 13 + 23 + 13

    Answer: 43
  2. 2. Algebra

    Solve: x5 = 6

    Answer: x = 30
  3. 3. Geometry

    Opposite = 20cm, adjacent = 11cm. Calculate the angle

    Answer: 61.2°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 33, 44, 27, 42, 22, 48, 26, 25

    Answer: 33.4