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Lintel · Grades 5–7 Keystones #1 6 November 2023
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Keystones — Lintel

Five GCSE retrieval questions · 6 November 2023 · mathsvault.uk/keystones

  1. 1. Number

    Add: 78 + 26

    Answer: 2924
  2. 2. Algebra

    Solve: x5 = 2

    Answer: x = 10
  3. 3. Geometry

    A right triangle has hypotenuse 17cm and one side 8cm. Find its area

    Answer: 60cm²
  4. 4. Ratio

    Calculate 26.8% of 915

    Answer: 245.22
  5. 5. Statistics

    Calculate the mean of: 23, 48, 44, 5, 49, 7

    Answer: 29.3