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Lintel · Grades 5–7 Keystones #1 9 October 2025
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Keystones — Lintel

Five GCSE retrieval questions · 9 October 2025 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 23 + 26 + 14

    Answer: 54
  2. 2. Algebra

    Solve: x4 = 4.75

    Answer: x = 19
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 19cm. Find the angle

    Answer: 42.5°
  4. 4. Ratio

    Find 23% of 234

    Answer: 53.82
  5. 5. Statistics

    Calculate the mean of: 40, 33, 47, 37, 49, 38

    Answer: 40.7