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Lintel · Grades 5–7 Keystones #1 31 August 2021
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Keystones — Lintel

Five GCSE retrieval questions · 31 August 2021 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 24 + 45 + 13

    Answer: 4930
  2. 2. Algebra

    Solve: 4x = 16

    Answer: x = 4
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 32cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Calculate 12.4% of 670

    Answer: 83.08
  5. 5. Statistics

    Calculate the mean of: 18, 14, 34, 13, 29, 26, 5

    Answer: 19.9