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Lintel · Grades 5–7 Keystones #1 10 September 2022
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Keystones — Lintel

Five GCSE retrieval questions · 10 September 2022 · mathsvault.uk/keystones

  1. 1. Number

    Add: 48 + 45

    Answer: 1310
  2. 2. Algebra

    Solve: 9x = 135

    Answer: x = 15
  3. 3. Geometry

    A circle has area 452.4cm². Find its radius (dp)

    Answer: 12cm
  4. 4. Ratio

    Calculate 22.8% of 676

    Answer: 154.13
  5. 5. Statistics

    Find the range of: 34, 23, -17, 38, 8

    Answer: 55