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Lintel · Grades 5–7 Keystones #1 25 July 2023
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Keystones — Lintel

Five GCSE retrieval questions · 25 July 2023 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 298 + 588

    Answer: 298 + 588 = 886
  2. 2. Algebra

    Solve: x6 = 2

    Answer: x = 12
  3. 3. Geometry

    Find c if a = 19cm and b = 12cm in a right triangle

    Answer: 22.5cm
  4. 4. Ratio

    Find 57% of 477

    Answer: 271.89
  5. 5. Statistics

    Calculate the mean of: 49, 18, 10, 27, 30, 19, 9

    Answer: 23.1